67310. Collins, J. L. et al.   Interspecific Hybrids in Crepis. III. Constant Fertile Forms Containing Chromosomes Derived From Two Species.   Genetics, 1929, Genetics, Volume 14 : pages 305-320 with 5 figures and 2 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

68004. Eastwood, A. and Howell, J. T.   Leaflets of Western Botany.   Alice Eastwood and Hohn Thomas Howell, San Francisco, California, 1959, Leaflets of Western Botany, Volume 2, Number 7 : pages 105-120.   Printed wraps, very good condition.    $8.00

68008. Eastwood, A. and Howell, J. T.   Leaflets of Western Botany.   Alice Eastwood and Hohn Thomas Howell, San Francisco, California, 1959, Leaflets of Western Botany, Volume 2, Number 9 : pages 145-176.   Printed wraps, very good condition.    $9.00

68013. Eastwood, A. and Howell, J. T.   Leaflets of Western Botany.   Alice Eastwood and Hohn Thomas Howell, San Francisco, California, 1959, Leaflets of Western Botany, Volume 4, Number 9 : pages 217-240.   Printed wraps, very good condition.    $10.00

67690. Engler, A. and Rubel, E.   Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie.   Wilhelm Engelmann, Leipzig, 1913, Die Pflanzengesellschaften des Berninagebietes, Volume 49, Number 3 & 4, No. 109 : pages 10-18.   Printed wraps, previous owners book stamp, minor signs of use and age, some pencil marks in text, text in good condition.   in German.   $8.00

67284. Harris, J. A.   Normal and Tetratological Thorns of Gleditschia Triacanthos, L..   The Academy of Science of St. Louis, 1901, Transactions of the Academy of Science of St. Louis, Volume 11, Number 10 : pages 215-222 with 5 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67285. Harris, J. A.   Variation and Correlation in the Flowers of Lagerstroemia Indica..   The Missouri Botanical Garden, 1907, The Missouri Botanical Garden, pages 97-104 with 10 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67281. Harris, J. A.   Variation in the Number of Seeds per Pod in the Broom, Cytisus Scoparius.   The American Society of Naturalists, 1909, The American Naturalist, Volume 43 : pages 350-355 with 2 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67286. Harris, J. A.   Is There a Selective Elimination of Ovaries in the Fruiting of the Leguminosae?.   The American Society of Naturalists, 1909, The American Naturalist, Volume 43 : pages 556-559 with 2 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67271. Harris, J. A.   III. Note on Variation in Adoxa.   Cambridge at the University Press, 1909, Biometrika, A Journal for the Statistical Study of Biological Problems, Volume 7, Numbers 1 & 2 : pages 218-222 with 6 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67283. Harris, J. A.   Correlation in the Inflorescence of Sanguinaria.   Verlag von Georg Thieme, Leipzig, Germany, 1910, Biologischen Centralblatt, Volume 30, Number 19 : pages 629-633 with 1 diagram and 1 table.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.   in English.   $5.00

67287. Harris, J. A.   A Bimodal Variation Polygon in Syndesmon Thalictroides and Its Morphological Significance.   The American Society of Naturalists, 1910, The American Naturalist, Volume 44 : pages 19-30 with 6 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, uncut text in very good condition.    $8.00

67272. Harris, J. A.   Quantitative Study of the Morphology of The Fruit of the Bloodroot, Sanguinaria Canadensis.   Cambridge at the University Press, 1910, Biometrika, A Journal for the Statistical Study of Biological Problems, Volume 7, Number 3 : pages 305-351 with 11 tables and 4 diagrams.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67273. Harris, J. A.   On the Selective Elimination Occurring During the Development of the Fruits of Staphylea.   Cambridge at the University Press, 1910, Biometrika, A Journal for the Statistical Study of Biological Problems, Volume 7, Number 4 : pages 453-540 with 45 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $21.00

67278. Harris, J. A.   Teratological fruits of Ptelea.   The Torrey Botanical Club, 1911, Bulletin of the Torrey Botanical Club, Volume 38 : pages 385-387 with 1 plate.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67279. Harris, J. A.   A First Study of the Relationship Between the Weight of the Bean Seed, Phaseolus vulgaris, and the Time Required For Its Germination.   The Plant World, 1913, The Plant World, Volume 16, Number 10 : pages 267-274 with 1 table and 2 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67280. Harris, J. A.   The Data of Inter-Varietal and Inter-Specific Competition in Their Relation to the Problem of Natural Selection.   The American Association for the Advancement of Science, 1913, Science, Volume 38, Number 977 : pages 402-403.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67275. Harris, J. A.   Illustrations of the Application of a Criterion of the Deviation of an Observed from a Random Distribution to the Problem of Seedling Stand in Sea-Island, Egyptian, and Upland Cotton.   The United States Department of Agriculture, Washington, D. C, 1928, Journal of Agricultural Research, Volume 36, Number 7 : pages 603-614.   Reprint, minor signs of use and age, text in very good condition.    $5.00

67274. Harris, J. A.   Applicability of Pearson?s Equivalent Probability r Method to the Problem of Seedling Mortality in Sea-Island, Egyptian, and Upland Cotton.   The United States Department of Agriculture, Washington, D. C, 1928, Journal of Agricultural Research, Volume 36, Number 7 : pages 615-623.   Reprint, minor signs of use and age, text in very good condition.    $5.00

67277. Harris, J. A.   A Possible Relationship Between Soil Salinity and Stand In Cotton.   The United States Department of Agriculture, Washington, D. C, 1928, Journal of Agricultural Research, Volume 37, Number 4 : pages 213-231.   Printed wraps, very good condition.    $8.00

67276. Harris, J. A.   Further Studies on the Relationship Between the Concentration of the Soil Solution and the Physicochemical Properties of the Leaf-Tissue Fluids of Cotton.   The United States Department of Agriculture, Washington, D. C, 1931, Journal of Agricultural Research, Volume 41, Number 11 : pages 767-788.   Reprint, minor signs of use and age, text in very good condition.    $9.00

67288. Harrison, H. H.   Some Peculiarities in the Chromosome Behavior of Euphorbia Terracina.   The University of Durham Philosophical Society, 1931, Proceedings of the University of Durham Philosophical Society, Volume 8, Part 3 : pages 252-259 with 1 illustration.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67289. Harrison, N. and Barnhart, S.   Plants and Plant Communities of Sonoma County, A Checklist.   Santa Rosa Junior College, Santa Rosa, California, 1976, The 200 Series, Number 3 : pages 1-31.   Printed wraps, minor signs of use and age, text in very good condition.    $13.00

67764. Hauri, H. and Schroter, C.   Versuch einer Ubersicht der siphonogamen Polsterpflanzen.   Verlag von Wilhelm Engelmann, Leipzig, German, 1914, Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie herausgegeben, Volume 50 : pages 618-656 with 1 figure.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in German.   $17.00

67293. Heilborn, O.   Genetic Cytology and Genetics in Carex.   Bibliographia Genetica, 1925, Bibliographia Genetica, Number 1 : pages 459-461.   Printed wraps, minor signs of use and age, very good condition.    $4.00

67299. Heilborn, O.   Chromosome Numbers in Draba.   Hereditas, 1927, Hereditas, Volume 9 : pages 59-68 with 2 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in English.   $5.00

67298. Heilborn, O.   Chromosome Studies in Cyperaceae.   Hereditas, 1928, Hereditas, Volume 11 : pages 182-192 with 3 figures and 4 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in English.   $5.00

67292. Heilborn, O.   Taxonomical and Embryological Notes on Carica.   Almqvist & Wilsells Boktryckeri-A.-B., Uppsala, 1928, Acta Horti Bergiani, Volume 9, Number 5 : pages 105-108 with 3 figures.   Printed wraps chipped, previous owners book stamp, signs of use and age, text in very good condition.   in English.   $5.00

67296. Heilborn, O.   Chromosome Numbers and Taxonomy.   The International Congress of Plant Sciences, 1929, Proceedings of the International Congress of Plant Sciences, Volume 1 : pages 307-310 with 2 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67294. Heilborn, O.   Section Fruticosae Eichl. Of the Genus Cleome L..   Almqvist & Wilsells Boktryckeri-A.-B., Uppsala, 1930, Arkiv for Botanik, Volume 23A, Number 10 : pages 1-19 with 6 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67297. Heilborn, O.   Lethal Gene-Combinations and Pollen Sterility in Diploid Apple Varieties.   Hereditas, 1931, Hereditas, Volume 16 : pages 1-18 with 2 tables and 2 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in English.   $8.00

67295. Heilborn, O.   Studies on the Taxonomy, Geographical Distribution and Embryology of the Genus Siparuna Aubl..   Svensk Botanisk Tidskrift , 1931, Svensk Botanisk Tidskrift, Volume 25, Number 2 : pages 202-228 with 11 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $12.00

67302. Hill, A. W.   Studies in Seed Germination. The Genus Marah (Megarrhiza), Cucurbitaceae.   Annals of Botany, 1916, Annals of Botany, Volume 30, Number 118: pages 215-222 with 2 figures and 1 plate.   Printed wraps, previous owners book stamp, usual signs of use and age, text in very good condition.    $8.00

67303. Hill, A. W.   A Visit to the United States and Canada.   Journal of the Kew Guild, 1926, Journal of the Kew Guild, pages 487-495 .   Printed wraps, signed by the author, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67301. Hill, A. W.   Genus Lilaeopsis: A Study in Geographical Distribution.   Linnean Society?s Journal-Botany, 1927, Linnean Society?s Journal-Botany, Volume 47 : pages 525-551 with 16 figures and 2 plates.   Printed wraps, previous owners book stamp, usual signs of use and age, text in good or better condition.    $13.00

67311. Hintikka, V.   A Line Survey of the Distribution of Forest Plant Species on the Coast and Inland Near Helsinki, Finland.   Annales Botanici Fennici, 1964, Annales Botanici Fennici, Volume 1 : pages 224-235 with 8 figures and 3 tables.   Reprint, minor signs of use and age, text in very good condition.   in English.   $5.00

67305. Hitchcock, A. S.   The Scope and Relations of Taxonomic Botany.   Botanical Society of America, 1916, Science, Volume 43, Number 1106 : pages 331-342.   Printed wraps, previous owners book stamp, usual signs of use and age, uncut text in very good condition.   10th Annual Meeting, Columbus, 1915. Publications 63, Miscellaneous Series.   $12.00

67306. Hitchcock, A. S.   Taxonomic Botany and the Washington Botanist.   The Washington Academy of Sciences, 1917, Journal of the Washington Academy of Sciences, Volume 7, Number 9 : pages 251-263.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67304. Hitchcock, A. S.   The Need for Training Taxonomic Botanists.   The American Association for the Advancement of Science, 1928, Science, Volume 57, Number 1739 : pages 431-432.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67307. Hitchcock, A. S.   The Relation of Nomenclature to Taxonomy.   The International Congress of Plant Sciences, 1929, Proceedings of the International Congress of Plant Sciences, Number 2 : pages 1434-1439.   Printed wraps, previous owners book stamp, very good condition.    $5.00

67309. Hitchcock, C. L.   Revision of North American Species of Godetia.   The Botanical Gazette, 1930, The Botanical Gazette, Volume 89, Number 4 : 321-361.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $18.00

67312. Hoehne, F. C.   Monographia Illustrada das Aristolochiaceas Brasileiras.   Chefe da Seccao de Botanica do Museu Paulista e Botanico honorario da Commissao Rondon, 1927, Chefe da Seccao de Botanica do Museu Paulista e Botanico honorario da Commissao Rondon, com as estampas 16-103 : pages 67-175 with 88 plates.   Wraps, usual signs of use and age, some foxing, text and plates in good or better condition.   in Portugues.   $42.00

67316. Hollingshead, L.   Chromosome Number and Morphology in Nicotiana III. The Somatic Chromosomes of L. Longiflora Cav..   University of California Press, Berkeley, California, 1929, University of California Publications in Agricultural Sciences, Volume 11, Number 14 : pages 257-264 with 3 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67317. Hollingshead, L.   Chromosomes and Phylogeny in Crepis.   University of California Press, Berkeley, California, 1930, University of California Publications in Agricultural Sciences, Volume 6, Number 1 : pages 1-53 with 24 figures and 2 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $23.00

67315. Hollingshead, L.   Cytological Investigations of Hybrid Derivatives of Crepis Capillaris and Crepis Tectorum.   University of California Press, Berkeley, California, 1930, University of California Publications in Agricultural Sciences, Volume 6, Number 2 : pages 55-94 with 19 figures and 3 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $19.00

67313. Hollingshead, L.   Cytological Study of Haploid Crepis Capillaris Plants.   University of California Press, Berkeley, California, 1930, University of California Publications in Agricultural Sciences, Volume 6, Number 4 : pages 107-134 with 13 figures with 3 plates.   Printed wraps, previous owners book stamp, sun fading to front wrap, uncut text in very good condition.    $13.00

67319. Holm, T.   Studies in the Cyperaceae, XXIX Carices Aeorastachyae: Salinae (Fries).   Yale University Press, 1920, The American Journal of Science, Volume 49 : pages 429-442 with 8 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67320. Holm, T.   Studies in the Cyperacaeae, XXX. Carices Aeorastachyae: Cryptocarpae (Nob.).   Yale University Press, 1920, The American Journal of Science, Volume 50 : pages 159-168 with 14 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67318. Holm, T.   Chionophila Benth., A Morphological Study.   Yale University Press, 1921, The American Journal of Science, Volume 50 : pages 31-38 with 15 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67322. Holttum, R. E. and Grimes, J. W.   The Genus Pseudocyclosorus Ching (Thelypteridaceae).   Kew Bulletin, 1979, Kew Bulletin, Volume 34, Number 3 : pages 499-516 with 2 figures.   Printed wraps, very good condition.    $8.00

67321. Hovanitz, W. et al.   Internal Structure of Isolated Chromosomes.   The Wasmann Collector, 1949, The Wasmann Collector, Volume 7, Number 6 : pages 233-242 with 4 figures.   Reprint, minor signs of use and age, text in very good condition.    $5.00

67323. Hubbard, F. T.   Nomenclatorial Changes Required by Some Gramineae of the Seventh Edition of Gray's Manual.   The New England Botanical Club, Cambridge, Massachusetts, 1912, Rhodora, Volume 14, Number 164 : pages 165-173 and Number 165 : pages 184-188.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67324. Huestis, R. R.   Heredity of Microscopic Hair Characters in Peromyscus.   The National Academy of Sciences, 1923, Proceedings of the National Academy of Sciences, Volume 9, Number 10 : pages 352-355 with 1 table.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $3.00

67325. Huestis, R. R.   A Description of Microscopic Hair Characters and of Their Inheritance in Peromyscus.   The Wistar Institute Press, Philadelphia, Pennsylvania, 1925, Journal of Experimental Zoology, Volume 41, Number 4 : pages 429-470.   Printed wraps, previous owners book stamp, minor signs of use and age, uncut text in very good condition.    $13.00

67326. Humbert, E. P.   A Quantitative Study of Variation, Natural and Induced, in Pure Lines of Silene Noctiflora.   Verlag von Gebruder Borntraeger in Berlin, 1911, Induktive Abstammungs und Vererbungslehre, Volume 4, Numbers 3 & 4 : pages 161-226 with 11 figures and 28 tables.   Printed wraps detached and back wrap missing, previous owners book stamp, other minor signs of use and age, text in very good condition.   in English.   $26.00

67327. Hummelinck, P. W.   Over Opuntia curassivica, O. Wentiana, O. elatior en Mamillaria simplex.   J. van Druten, Utrecht, 1940, Succulenta, Numbers 11 & 12 : pages 121-129 and pages 137-143 with 8 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67329. Hurd, A. M.   Seed-Coat Injury and Viability of Seeds of Wheat and Barley as Factors in Susceptibility to Molds and Fungicides.   The United States Department of Agriculture, Washington, D. C, 1921, Journal of Agricultural Research, Volume 21, Number 2 : pages 99-122 with 12 tables and 23 plates,.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $13.00

67328. Hurd, A. M.   Acidity of Corn and Its Relation to Vegetative Vigor.   The United States Department of Agriculture, Washington, D. C, 1923, Journal of Agricultural Research, Volume 25, Number 11 : pages 457-469 with 2 figures and 6 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67333. Hus, H. T.   Spindle Formation in the Pollen-Mother-Cells of Cassia Tomentosa L..   The California Academy of Sciences, 1904, Proceedings of the California Academy of Sciences, Third Series, Botany, Volume 2, Number 11 : pages 329-354 with 3 plates.   Printed wraps, signed by the author, minor edge wear, previous owners book stamp, other minor signs of use and age, uncut text in very good condition.    $13.00

67330. Hus, H. T.   Fasciation in Oxalis Crenata and Experimental Production of Fasciations.   The Missouri Botanical Garden, 1906, Seventeenth Annual Report of the Missouri Botanical Garden, pages : 147-152 with 3 plates.   Reprint, signed by the author, previous owners book stamp, minor signs of use and age, text and plates in very good condition.    $8.00

67332. Hus, H. T.   Germination of Hydrastis Canadensis.   The Missouri Botanical Garden, 1907, Eighteenth Annual Report of the Missouri Botanical Garden, pages 85-94 with 2 tables and 2 diagrams.   Printed wraps, signed by the author, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67331. Hus, H. T.   Fasciations of Known Causation.   The American Society of Naturalists, 1908, The American Naturalist, Volume 42, Number 494 : pages 81-97 with 2 photos illustrations.   Printed wraps with some edge wear, signed by the author, previous owners book stamp, other minor signs of use and age, text in very good condition.    $8.00

67335. Huskins, C. L. and Smith, S. G.   A Cytological Study of Vilmorin's Unfixable Dwarf Wheat.   McGill University Publications, 1931, Journal of Genetics, Volume 25, Number 1 : pages 113-124 with 11 figures.   Printed wraps, minor signs of age, very good condition.    $8.00

67334. Huskins, C. L. and Smith, S. G.   A Cytological Study of the Genus Sorghum Pers. I. The Somatic Chromosomes.   Cambridge at the University Press, 1932, Journal of Genetics, Volume 25, Number 2 : pages 241-249 with 25 figures.   Printed wraps, previous owners book stamp, signs of use, text in good condition.    $8.00

67340. Janczewski, E.   Essai D?Une disposition Naturelle des Espéces dans le Genre Ribes L..   L?Académie des Sciences de Cracovie, Classe des Sciences Mathematiques et Natuerelles, Cracovie, 1903, Bulletin de L?Académie des Sciences de Cracovie, pages 1-10.   Printed wraps, previous owners book stamp, minor signs of use and age, text in good or better condition.   in French.   $8.00

67341. Janczewski, E.   1. La Sexualité des Espéces dans le Genre Ribes L.; 2. Hybrides des Groseillers. II. Ribes L..   L?Académie des Sciences de Cracovie, Classe des Sciences Mathematiques et Natuerelles, Cracovie, 1903, Bulletin de L?Académie des Sciences de Cracovie, pages 1-10.   Printed wraps, previous owners book stamp, minor signs of use and age, text in good or better condition.   in French.   $8.00

67342. Janczewski, E.   Species Generis Ribes L. I. Subgenus: Parilla.   L?Académie des Sciences de Cracovie, Classe des Sciences Mathematiques et Natuerelles, Cracovie, 1905, Bulletin de L?Académie des Sciences de Cracovie, pages 1-9.   Printed wraps, previous owners book stamp, minor signs of use and age, text in good or better condition.   in French.   $8.00

67339. Janczewski, E.   Species Generis Ribes L. II. Subgenera Ribesia et Coreosma.   L?Académie des Sciences de Cracovie, Classe des Sciences Mathematiques et Natuerelles, Cracovie, 1906, Bulletin de L?Académie des Sciences de Cracovie, pages 1-13.   Printed wraps, previous owners book stamp, minor signs of use and age, text in good or better condition.   in French.   $8.00

67338. Janczewski, E.   Species Generis Ribes L. III. Subgenera: Grossularioides, Grossularia et Berisia.   L?Académie des Sciences de Cracovie, Classe des Sciences Mathematiques et Natuerelles, Cracovie, 1906, Bulletin de L?Académie des Sciences de Cracovie, pages 1-14.   Printed wraps, previous owners book stamp, minor signs of use and age, text in good or better condition.   in French.   $8.00

67336. Janczewski, E.   Les plantes antiméridiennes.   Gauthier-Villars, Imprimeur-Libraire des Comptes Rendus des Seances de L?Académie des Sciences. In French, in wraps, 2 pp, good., 1908, Seances de L?Académie des Sciences, 2 pages.   Printed wraps, previous owners book stamp, minor signs of use and age, text in good or better condition.   in French.   $3.00

67337. Janczewski, E.   Sur Les Anthéres Stériles Des Groseilliers.   L?Académie des Sciences de Cracovie, Classe des Sciences Mathematiques et Natuerelles, Cracovie, 1908, Bulletin de L?Académie des Sciences de Cracovie, pages 587-596 with 1 plate.   Printed wraps, previous owners book stamp, minor signs of use and age, text in good or better condition.   in French.   $8.00

67343. Janczewski, E.   Supplements a la Monographie des Groseilliers. I. Especes et hybrides nouveaux.   L?Académie des Sciences de Cracovie, Classe des Sciences Mathematiques et Natuerelles, Cracovie, 1909, Bulletin de L?Académie des Sciences de Cracovie, pages 60-75 with 8 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in good or better condition.   in French.   $8.00

67344. Janczewski, E.   Supplements a la Monographie des Groseilliers. II. Especes et Varietes de la Chine. III. Le Groseillier Dore.   L?Académie des Sciences de Cracovie, Classe des Sciences Mathematiques et Natuerelles, Cracovie, 1910, Bulletin de L?Académie des Sciences de Cracovie, pages 67-91 with 10 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in good or better condition.   in French.   $8.00

67345. Janczewski, E.   Supplements a la Monographie des Groseilliers. V. Remarques et Corrections des Diagnoses.   L?Académie des Sciences de Cracovie, Classe des Sciences Mathematiques et Natuerelles, Cracovie, 1913, Bulletin de L?Académie des Sciences de Cracovie, pages 714-741 with 13 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in good or better condition.   in French.   $13.00

67374. Jeffrey, E. C.   Drosophila and the Mutation Hypothesis.   The American Association for the Advancement of Science, 1925, Science, Volume 62, Number 1592 : pages 3-5.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67373. Jeffrey, E. C. and Hicks, G. C.   The Reduction Division in Relation to Mutation in Plants and Animals.   The American Society of Naturalists, 1925, The American Naturalist, Volume 59 : pages 410-426 with 8 figures.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67377. Jepson, W. L.   A Flora of California, Part IV. Platanaceae to Portulacaceae (Calyptridium).   H. S. Crocker Co., San Francisco, 1914, A Flora of California, Part 4 : pages 369-464 with 26 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $20.00

67375. Jepson, W. L.   A Flora of California, Part V. Portulacaceae (Calandrinia) to Ranunculaceae (Anemone).   H. S. Crocker Co., San Francisco, 1914, A Flora of California, Part 5 : pages 465-528 with 14 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $14.00

67376. Jepson, W. L.   A Flora of California, Part VII. Ranunculaceae (Trautvetteria) to Fumariaceae.   Associated Students Store, Berkeley, 1922, A Flora of California, Part 7 : pages 529-578 with 22 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67378. Jimbo, T.   On the Daily Fluctuation of the Osmotic Value in Plants.   Tohoku Imperial University, Japan, 1931, Science Reports of the Tohoku Imperial University, Volume 6, Number 2 : pages 285-306 with 4 figures and 14 charts.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $10.00

67383. Johansen, D. A.   Proposed Phylogeny of the Onagraceae Based Primarily on Number of Chromosomes.   The National Academy of Science, Vol. 15, No. 12, pp 882-885, no wraps, some marginal notes, VG, blind stamp., 1929, Proceedings of the National Academy of Science, Volume 15, Number 12 : pages 882-885.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67381. Johansen, D. A.   New Chromosome Numbers in the Onagraceae.   The American Botanical Society, 1929, American Journal of Botany, Volume 16 : pages 595-597.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67379. Johansen, D. A.   Studies on the Morphology of the Onagraceae, II.   The University of Chicago Press, 1930, The Botanical Gazette, Volume 90, Number 1 : pages 75-91 with 52 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67380. Johansen, D. A.   Studies on the Morphology of the Onagraceae, V. Zauschneria latifolia, Typical of a Genus characterized by Irregular Embryology.   New York Academy of Sciences, 1931, Annals of the New York Academy of Sciences, Volume 33 : pages 1-26 with 114 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $13.00

67382. Johansen, D. A.   New Method of Differentiating Gentian Violet When Used As A Somatic Chromosome Stain.   Stain Technology, 1932, Stain Technology, Volume 7, Number 1 : pages 17-20.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67384. Johns, M. R.   Heliantheae of Iowa, III.   University of Iowa, Iowa City, Iowa, 1935, University of Iowa Studies, Studies in Natural History, Volume 16, Number 5 : pages 337-416 with 24 plates.   Printed wraps worn along spine, usual signs of use and age, text and plates in very good condition.    $42.00

67385. Jones, K. D.   Taxonomy of Acacia.   An Encyclopedia of Botany, 1920, Chapter on Acacia from an Encyclopedia of Botany, pages 178-190.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.   exact date of publication is uncertain.   $11.00

67346. Jones, M. E.   Contributions to Western Botany. IX..   Claremont, 1900, Contributions to Western Botany, Number 9 : pages 41-53.   Printed wraps, minor signs of use and age, uncut text in very good condition.    $8.00

67368. Jones, M. E.   Contributions to Western Botany. IX..   Claremont, 1900, Contributions to Western Botany, Number 9 : pages 41-53.   Printed wraps, minor signs of use and age, uncut text in very good condition.    $8.00

67371. Jones, M. E.   Contributions to Western Botany. IX..   Claremont, 1900, Contributions to Western Botany, Number 9 : pages 41-53.   Printed wraps, usual signs of use and age, text in good condition.    $5.00

67386. Joron, H.   De La Scrophularie.   A. Parent, Imprimeur de la Faculte de Medecine, Paris, France, 1870, Ecole Superieure de Pharmacie de Paris, pages 1-18.   Printed wraps, signs of use and age, uncut text in very good condition.   in French.   $17.00

67387. Kaufmann, B. P.   Chromosome Structure and Its Relation to the Chromosome Cycle 1. Somatic Mitotes in Tradescantia Pilosa.   The American Botanical Society, 1926, American Journal of Botany, Volume 13, Number 2 : pages 59-80 with 3 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67389. Kearney, T. H.   Mutation in Egyptian Cotton.   The United States Department of Agriculture, Washington, D. C, 1914, Journal of Agricultural Research, Volume 2, Number 4 : pages 287-302 with 1 table and 9 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $11.00

67390. Kearney, T. H.   Self-Fertilization and Cross-Fertilization in Pima Cotton.   The United States Department of Agriculture, Washington, D. C, 1923, United States Department of Agriculture, Department Bulletin, Professional Paper, Number 1134 : pages 1-68 with 39 tables and 7 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $16.00

67391. Kearney, T. H.   Segregation and Correlation of Characters in an Upland-Egyptian Cotton Hybrid.   The United States Department of Agriculture, Washington, D. C, 1923, United States Department of Agriculture, Department Bulletin, Number 1164 : pages 1-57 with 14 tables and 21 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $21.00

67392. Kearney, T. H.   Inheritance of Petal Spot in Pima Cotton.   The United States Department of Agriculture, Washington, D. C, 1924, Journal of Agricultural Research, Volume 27, Number 7 : pages 491-512 with 15 tables and 1 plate.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $10.00

67393. Kearney, T. H.   Non-inheritance of Terminal Bud Abortion in Pima Cotton.   The United States Department of Agriculture, Washington, D. C, 1924, Journal of Agricultural Research, Volume 28, Number 10 : pages 1041-1042 with 1 table and 1 plate.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67395. Kearney, T. H.   Inheritance of Rate of Shedding in a Cotton Hybrid.   The United States Department of Agriculture, Washington, D. C, 1927, Journal of Agricultural Research, Volume 34, Number 10 : pages 921-926 with 3 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67394. Kearney, T. H.   Inheritance of Smooth Seeds in Cotton.   The United States Department of Agriculture, Washington, D. C, 1927, Journal of Agricultural Research, Volume 35, Number 3 : pages 193-217 with 6 tables and 10 figures.   Printed wraps, very good condition.    $11.00

67396. Kearney, T. H.   Development of the Cotton Boll As Affected By Removal of the Involucre.   The United States Department of Agriculture, Washington, D. C, 1929, Journal of Agricultural Research, Volume 38, Number 7 : pages 381-393 with 4 tables and 4 figures.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67388. Kearney, T. H.   Cotton: History, Botany, and Genetics.   American Genetic Association, Washington, D. C, 1931, Journal of Heredity, Volume 21, Numbers 5, 7, 8, & 9 : pages 195-210, pages 325-336, pages 375-384, and pages 409-415 with 21 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $20.00

67397. Kearney, T. H.   Pollen Antagonism in Cotton.   The United States Department of Agriculture, Washington, D. C, 1932, Journal of Agricultural Research, Volume 44, Number 3 : pages 191-226 with 15 tables and 1 figure.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $15.00

67398. Keck, D. D.   XVII. A Revision of the Genus Orthocarpus.   The California Academy of Sciences, 1927, Proceedings of the California Academy of Sciences, fourth series, Volume 16, Number 17 : pages 517-571 with 1 figure.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $38.00

67401. Kellogg, F. B.   The Problem of the Dune.   California Journal of Technology, 1913, California Journal of Technology, pages 156-159 with 2 plates.   Text extracted from a larger volume, previous owners book stamp, usual signs of use and age, text in good or better condition.    $3.00

67699. Kiessling, L. et al.   Zeitschrift fur Pflanzenzuchtung.   Verlagsbuchhandlung Paul Parey, Berlin, 1913, Zugleich Organ der Gesellschaft zur Forderung deutscher Pflanzenzucht, der Osterreichischen Gesellsc, Volume 1, Number 3 : pages 322-327.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.   in German.   $5.00

67403. Kihara, H.   Cytologische und genetische Studien bei wichtigen Getreidearten mit besonderer Ruchsicht auf das Verhalten der Chromosomen und die Sterilitat in den Bastarden..   Kyoto Imperial University, 1923, Memoirs of the College of Science, Kyoto Imperial University, Series B, Volume 1, Article 1 : pages 1-200 with 5 tables, 117 figures and 5 plates.   Printed wraps, previous owners book stamp, usual signs of use and age, text in good or better condition.   in Germany.   $42.00

67402. Kihara, H.   Formation of Haploids by Means of Delayed Pollination in Triticum monococcum..   Biological Institute, Department of Agriculture, Kyoto Imperial University, 1940, Contributions from the Laboratory of Genetics, Biological Institute, Department of Agriculture, Kyot, Number 110 : pages 178-185 with 2 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in Japanese with English abstract.   $5.00

67404. Kihara, H. and Ono, T.   Cytological Studies on Rumex L. I. Chromosomes of Rumex Acetosa L. II. On the Relation of Chromosome Number And Sexes in Rumex Acetosa L..   Botanical Magazine, 1923, Botanical Magazine, Volume 37, Number 435 : pages 36-37 and 84-90 with 1 plate.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in Japanese with English abstract.   $5.00

67405. Klopstock, F.   Kakao; Wandlungen in der Erzeugung und der Verwendung des Kakaos nach dem Weltkrieg.   Bibliographisches Institute AG., Leipzig, Germany, 1937, Wandlungen in Der Weltwirtschaft, Volume 12 : pages 1-133.   Printed wraps, usual signs of use and age, text in good or better condition.   in Germany.   $29.00

67408. Kobuski, C. E.   Revision of the Genus Priva.   The Missouri Botanical Garden, 1926, Annals of the Missouri Botanical Garden, Volume 13 : pages 1-34 with 5 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $13.00

67406. Kobuski, C. E.   New Genus of the Acanthaceae.   The Missouri Botanical Garden, 1928, Annals of the Missouri Botanical Garden, Volume 15 : pages 1-8 with 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67407. Kobuski, C. E.   Monograph of the American Species of the Genus Dyschoriste.   The Missouri Botanical Garden, 1928, Annals of the Missouri Botanical Garden, Volume 15 : pages 9-90 with 3 figures and 16 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $21.00

67409. Koketsu, R.   Ueber die Bastardierung von Ricinus Communis L. II. Mitteilung.   Kaiserlichen Kyushu-Universitat, Fukuoka, Japan, 1923, Mitteilungen Aus Der Medizinischen Fakultat Der Kaiserlichen Kyushu-Universitat, Volume 7 : pages 401-419 with 2 tables and 2 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67412. Kumazawa, M.   Studies on the Structure of Japanese Species of Ranunculus.   Imperial University of Tokyo, Tokyo, Japan, 1930, Journal of the Faculty of Science Imperial University of Tokyo, Section III, Botany, Volume 2, Part 3 : pages 297-343 with 18 figures, 3 tables and 2 plates.   Printed wraps, minor signs of use and age, very good condition.   in English.   $21.00

67413. Kumazawa, M.   Morphology and Biology of Glaucidium palmatum Sieb et Zucc. With Notes on Affinities to the llied Genera Hydrastis, Podophyllum and Diphylleia.   Imperial University of Tokyo, Tokyo, Japan, 1930, Journal of the Faculty of Science Imperial University of Tokyo, Section III, Botany, Volume 2, Part 4 : pages 345-380 with 20 figures and 3 tables.   Printed wraps, minor signs of use and age, very good condition.   in English.   $17.00

67414. Kumazawa, M.   Morphological Studies of Anemonopsis, Actaea and Cimicifuga.   Imperial University of Tokyo, Tokyo, Japan, 1932, Journal of the Faculty of Science Imperial University of Tokyo, Section III, Botany, Volume 2, Part 6 : pages 413-454 with 21 figures.   Printed wraps, minor signs of use and age, very good condition.   in English.   $17.00

67410. Kuwada, Y.   An Occurrence of Restitution-Nuclei in the Formation of the Embryo sacs in Balanophora japonica, Mak..   Botanical Magazine, 1928, Botanical Magazine, Volume 42, Number 495 : pages 117-129 with 3 plates.   Printed wraps, upper right corner missing but does not impact text or plates, previous owners book stamp, other usual signs of use and age, text in good minus condition.    $5.00

67411. Kwan, C. C.   Inheritance of Some Plant Characters in Cabbage.   College of Agriculture and Forestry, University of Nanking, China, 1934, College of Agriculture and Forestry, University of Nanking, China, Bulletin, Number 27 : pages 1-43 with 19 tables, 2 figures and 2 plates.   Reprint, minor signs of use and age, text in very good condition.   in English.   $17.00

67416. Lammerts, W. E.   Interspecific Hybridization in Nicotiana. IX. Further Studies of the Cytology of the Backcross Progenies of the Paniculata-Rustica Hybrid..   Genetics, 1929, Genetics, Number 14 : pages 286-304 with 3 tables and 14 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67417. Lammerts, W. E.   Interspecific Hybridization in Nicotiana. XII. The Amphidiploid Rustica-Paniculata Hybrid; Its Origin and Cytogenetic Behavior.   Genetics, 1931, Genetics, Number 16 : pages 191-211 with 1 table and 10 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $9.00

67418. Lamson-Scribner, F. et al.   Studies in American Grasses. I, II., IV., V., and VI.   The United States Department of Agriculture, Washington, D. C, 1897, United States Department of Agriculture, Division of Agrostology, Grass and Forage Plant Investigati, Number 4 : pages 1-43 with 15 figures and 5 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $21.00

67419. Lamson-Scribner, F. et al.   Aristida Purpurea Nutt., and Its Allies.   The United States Department of Agriculture, Washington, D. C, 1901, United States Department of Agriculture, Division of Agrostology, Grass and Forage Plant Investigati, Number 34 : pages 1-8 .   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67421. Larsen, E. L.   Revision of the Genus Townsendia.   The Missouri Botanical Garden, 1927, Annals of the Missouri Botanical Garden, Volume 14 : pages 1-16 with 6 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67420. Larsen, E. L.   New Variety of Veronia Lindheimeri.   The Missouri Botanical Garden, 1928, Annals of the Missouri Botanical Garden, Volume 15 : pages 333-334 with 1 plate.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67422. Lawrence, W. E.   Some Ecotypic Relations of Deschampsia Caespitosa.   The American Botanical Society, 1945, American Journal of Botany, Volume 23, Number 6 : pages 298-314 with 11 figures.   Reprint, minor signs of use and age, very good condition.    $8.00

67424. Lay, K. K.   American Species of Triumfetta L..   The Missouri Botanical Garden, 1950, Annals of the Missouri Botanical Garden, Volume 37, Number 3 : pages 315-395 with 12 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, uncut text in very good condition.    $34.00

67425. Leavitt, R. G.   On Translocation of Characters in Plants.   Ames Botanical Laboratory, Boston, 1905, Rhodora, Volume 7, Numbers 73-74 : pages 1-17.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67426. Leavitt, R. G.   The Geographic Distribution of Nearly Related Species.   Ames Botanical Laboratory, Boston, 1907, The American Naturalist, Volume 41, Number 484 : pages 207-240.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67427. Leffingwell, A. M.   Morphological Study of Bulb and Flowers of Camassia Quamash (Pursh) Greene..   Botany Department of the State College of Washington, Pullman, Washington, 1930, Research Studies, Volume 2, Number 2 : pages 80-89 with 3 figures.   Reprint, previous owners book stamps, minor signs of use and age, text in very good condition.    $5.00

67428. Lesley, J. W. and Rosa, J. T.   Improvement of Tomatoes by Selection.   University of California, Berkeley, California, 1926, Hilgardia, Volume 2, Number 2 : pages 25-45 with 10 tables and 9 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $9.00

67429. Lesley, M. M.   Maturation in Diploid and Triploid Tomatoes.   Genetics, 1926, Genetics, Number 11 : pages 267-279 with 1 figure and 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67431. Leslie, G.   An Abnormal Specimen of Euplectella Aspergillum (Owen).   The Royal Physical Society, London, 1879, The Royal Physical Society, pages 1-7.   Reprint, signs of use and age, text in good condition.    $5.00

67432. Lessing, C. F.   De Generibus Cynarocephalarum atque de speciebus generis arctotidis.   Typis Trowitzschii et Filii, Berolini, 1832, Dissertatio Inauguralis Botanica quam consensu et auctoritate gratiosi medicorum ordinis in universi, Number 27 : pages 1-30.   Printed wraps, lower portion missing but does not impact text field, previous owners names, some minor foxing, text in good to fair condition.   in Latin.   $42.00

67433. Lillie, F. R.   The Biological Significance of Sexual Differentiation ? A Zoological Point of View.   The American Association for the Advancement of Science, 1907, Science, Volume 21, Number 636 : pages 372-376.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $5.00

67435. Lindsey, A. A.   Vegetation of the Ancient Beaches Above Great Bear and Great Slave Lakes.   The Ecological Society of America, 1952, Ecology, Volume 33, Number 4 : pages 535-549 with 9 figures.   Reprint, minor signs of use and age, text in very good condition.    $8.00

67430. Lindstrom, E. W.   Complementary Genes for Chlorophyll Development in Maize and Their Linkage Relations.   Genetics, 1924, Genetics, Number 9 : pages 305-326 with 14 tables.   Printed wraps missing, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67439. Lipman, C. B.   Does Nitrification Occur in Sea Water?.   The American Association for the Advancement of Science, 1922, Science, Volume 56, Number 1453 : pages 501-503.   Reprint, minor signs of use and age, text in very good condition.    $2.00

67438. Lipman, C. B. and Gordon, A.   Further Studies on New Methods in the Physiology and Pathology of Plants..   The Journal of General Physiology, 1925, The Journal of General Physiology, Volume 7, Number 5 : pages 615-623 with 3 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67437. Lipman, C. B. and Taylor, J. K..   Proof of the Power of the Wheat Plant to Fix Atmospheric Nitrogen.   The American Association for the Advancement of Science, 1922, Science, Volume 56, Number 1456 : pages 605-606.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67444. Lloyd, F. E.   Studies on Spirogyra I. Additional Studies on Conjugation II. Adhesions and Geniculations.   McGill University Publications, 1926, Transactions of the Royal Canadian Institute, Section 5 : pages 75-98 and pages 101-110 with 2 plates.   Printed wraps, minor signs of use and age, very good condition.    $15.00

67443. Lloyd, F. E.   Maturation and Conjugation in Spirogyra Longata.   The Royal Canadian Institute, Toronto, Canada, 1926, Transactions of the Royal Canadian Institute, Volume 15, Part 2 : pages 151-193 with 2 figures and 4 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $20.00

67445. Lloyd, F. E.   Plantation Rubber: Its Source and Acquisition.   McGill University Publications, 1926, The Scientific Monthly, Volume 23 : pages 268-278 with 26 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $10.00

67446. Lloyd, F. E.   Abscission in General and with Special Reference to the Curtailment of Fruitage in Gossypium.   McGill University Publications, 1927, Memoirs of the Horticultural Society of New York, Volume 3 : pages 195-207 with 1 plate.   Printed wraps, minor signs of use and age, text in very good condition.    $8.00

67448. Lloyd, F. E.   The Contractile Vacuole.   McGill University Publications, 1928, Biological Reviews, Volume 3, Number 4 : pages 329-358 with 7 figures.   Printed wraps, minor signs of use and age, very good condition.    $13.00

67447. Lloyd, F. E.   Further Observations on the Behavior of Gametes During Maturation and Conjugation in Spirogyra.   McGill University Publications, 1928, Protoplasma, Volume 4, Number 1 : pages 45-66 with 1 plate.   Printed wraps, a little chipped along spine, other minor signs of use and age, very good condition.    $5.00

67450. Lloyd, F. E.   The Pulsatory Rhythm of the Contractile Vesicle In Paramecium..   McGill University Publications, 1929, Biological Reviews, Volume 55, Number 6 : pages 404-418 with 1 figures and 1 plate.   Printed wraps, minor signs of use and age, very good condition.    $8.00

67442. Lloyd, F. E. and Moravek, V.   Studies in Periodic Precipitation.   McGill University Publications, 1928, Plant Physiology, Volume 3 : pages 101-130 with 5 plates.   Printed wraps, minor signs of use and age, very good condition.    $4.00

67440. Lloyd, F. E. and Scarth, G. W.   The Origin of Vacuoles.   The American Association for the Advancement of Science, 1926, Science, Volume 63, Number 1635 : pages 459-460.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67451. Lloyd, F. E. and Scarth, G. W.   A Surface Tensiometer and an Osmometer for Class Work and The Role of Kinoplasm in the Genesis of Vacuoles.   McGill University Publications, 1927, Science, Volume 64, Number 1654 : pages 253-254 and Volume 65, Number 1694 : pages 599-600 with 2 figures.   Printed wraps, minor signs of use and age, text in very good condition.    $3.00

67441. Lloyd, F. E. and Ulehla, V.   The Role of the Wall in the Living Cell as studied by the Auxographic Method, I.   McGill University Publications, 1926, Transactions of the Royal Canadian Institute, Section 5 : pages 45-73 with 7 figures.   Printed wraps, minor signs of use and age, very good condition.    $13.00

67452. Lock, R. H.   Studies in Plant Breeding in the Tropics III. Experiments with Maize.   McGill University Publications, 1906, Annals of the Royal Botanic Gardens, Peradeniya, Volume 3, Part 2 : pages 96-184 with 49 tables and 4 figures.   Printed wraps missing, previous owners book stamp, minor signs of use and age, text in very good condition.    $18.00

67455. Love, A. and Love, D..   Cytotaxonomical Conspectus of the Icelandic Flora.   Acta Horti Gotoburgensis, Meddelanden Fran Goteborgs Botaniska Tradgard, 1956, Acta Horti Gotoburgensis, Meddelanden Fran Goteborgs Botaniska Tradgard, Volume 20, Number 4 : pages 65-290 and a 45 page mimeographed Index to the Taxa tipped in at the back.   Printed wraps, previous owners name, minor signs of use and age, text in very good condition.    $37.00

67456. Love, A. and Love, D..   Chromosomes and Taxonomy of Eastern North American Polygonum.   Canadian Journal of Botany, 1956, Canadian Journal of Botany, Volume 34 : pages 501-521 with 29 figures.   Printed wraps, minor signs of use and age, very good condition.    $9.00

67457. Love, A. and Love, D..   The American Element in the Flora of the British Isles.   Botaniska Notiser, 1958, Botaniska Notiser, Volume 3, Number 1 : pages 376-388.   Printed wraps, minor signs of use and age, very good condition.   in English.   $8.00

67458. Love, D.   Postglacial Development of the Flora of Manitoba: A Discussion.   Canadian Journal of Botany, 1959, Canadian Journal of Botany, Volume 37 : pages 547-585 with 7 tables and 4 figures.   Printed wraps, previous owners marks on front wrap, minor signs of use and age, text in very good condition.    $13.00

67460. Love, D. et al.   A Plant Collection from Interior Quebec.   Naturaliste Canadien, 1958, Naturaliste Canadien, Volume 85 : pages 25-69 with 4 figures.   Printed wraps, minor signs of use and age, very good condition.    $20.00

67454. Lowe, C. W. and Lloyd, F. E.   Some Observations on Hydrodictyon reticulatum With Special Reference to the Chloroplasts and Organization.   McGill University Publications, 1928, Transactions of the Royal Canadian Institute, Section V : pages 279-287 with 2 figure and 4 plates.   Printed wraps, minor signs of use and age, very good condition.    $5.00

67462. Macbride, J. F. and Payson, E. B.   Anelsonia, A New Genus of the Cruciferae.   The Botanical Gazette, 1917, The Botanical Gazette, Volume 64, Number 1 : pages 79-81.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $4.00

67463. Macbride, J. F. et al.   South American Plants, also new Euphorbias.   Field Museum of Natural History, Chicago, Illinois, 1925, Field Museum of Natural History, Publication, Botanical Series, Volume 4, Number 4 : pages 79-81.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67464. Mackenzie, K. K.   Usage.   Rhodora, 1927, Rhodora, Volume 29 : pages 26-32.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $3.00

67465. MacRae, N. A.   Genetic Analysis of Nicotiana Triplex Segregation Products and their Relationship to Existing N. Tabacum Types.   Canada Department of Agriculture, Tobacco Division, Experimental Farms Service, Ottawa, Canada, 1941, Canada Department of Agriculture, Publication, Technical Bulletin, Number 33 : pages 1-36 with 15 tables and 5 plates.   Printed wraps, minor signs of use and age, very good condition.    $18.00

67466. Magrath, E. S.   Morphological Peculiarities of Linaria spuria..   Popular Science Review, London, 1865, Popular Science Review, pages 51-53 with 1 plate.   Wraps, signs of use and age, text in good or better condition.    $5.00

67467. Mains, E. B. and Smith, A. H.   Rusts from British Honduras and Notes on Agarics from British Honduras.   University of Michigan Press, Ann Arbor, Michigan, 1939, Contributions from the University of Michigan Herbarium, Number 1 : pages 1-28 with 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67468. Malling, H.   Chromosome Number of Honckenya Peploides (L.) Ehrh., with a Note on Its Mode of Sex Determination.   Institute of Genetics, University of Copenhagen, Denmark, 1957, Hereditas, Number 43 : pages 517-524 with 2 figure and 1 table.   Reprint, minor signs of use and age, text in very good condition.    $5.00

67469. Mann, M. C.   Microsporogenesis of Ginkgo Biloba L. With Especial Reference to the Distribution of the Plastids and To Cell Wall Formation.   University of California Press, Berkeley, California, 1924, University of California Publications in Agricultural Sciences, Volume 2, Number 8 : pages 243-248 with 1 plate.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67470. Martelli, U.   A New Species of Pandanus from Fanning Island.   University of California Press, Berkeley, California, 1926, University of California Publications in Botany, Volume 13, Number 7 : pages 145-146 with 1 plate.   Printed wraps, x-lib, minor signs of use and age, uncut text in very good condition.    $5.00

67471. Martens, P.   Pollination et Biologie Florale Chez Parnassia Palustris.   le Societe Royale de Botanique de Belgique, 1936, Bulletin de le Societe Royale de Botanique de Belgique, Volume 67, Number 1 : pages 184-219.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $15.00

67472. Massart, J.   Reflexes of Unicellular Organisms.   University of California Press, Berkeley, California, 1924, A Lecture at University of California showing response of bacteria to osmotic pressure, response of , 4 pages with 6 figures.   Reprint, previous owners book stamp, usual signs of use and age, text in good condition.    $2.00

67473. Mathias, M. E.   Studies in the Umbelliferae I..   The Missouri Botanical Garden, 1928, Annals of the Missouri Botanical Garden, Volume 15 : pages 91-109 with 1 figure and 3 plates.   Printed wraps, minor signs of use and age, very good condition.    $13.00

67474. Mathias, M. E.   Studies in the Umbelliferae II..   The Missouri Botanical Garden, 1928, Annals of the Missouri Botanical Garden, Volume 16 : pages 393-398 with 1 plate.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67475. Mathias, M. E.   Notes on Southwestern Plants.   The Missouri Botanical Garden, 1929, Annals of the Missouri Botanical Garden, Volume 16 : pages 399-404 with 1 figure and 1 plate.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67476. Matthew, G. F.   A Review of the Flora of the Little River Group.   The Royal Society of Canada, 1906, Transactions of the Royal Society of Canada, Second Series, Geological and Geographical Sciences, Section 4 : pages 99-149 with 2 figure and 8 plates.   Printed wraps, usual signs of use and age, text in very good condition.    $26.00

67477. Maxon, W. R.   Systematic Botany: Its Development and Contacts.   Smithsonian Institution Press, Washington, D. C, 1931, Old and New Plant Lore, Smithsonian Scientific Series, Volume 11 : pages 133-164 with 7 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $17.00

67478. McAllister, F.   Sex Ratio and Chromosomes in Riccia Curtisii.   The Torrey Botanical Club, 1928, Bulletin of the Torrey Botanical Club, Volume 55 : pages 1-10 with 11 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $5.00

67479. McBride, J. R. and Stone, E. C.   Plant Succession on the Sand Dunes of the Monterey Peninsula, California.   The American Society of Naturalists, University of Notre Dame Press, Notre Dame, Indiana, 1976, The American Midland Naturalist, Volume 96, Number 1 : pages 118-132 with 2 tables and 2 figures.   Reprint, minor signs of use and age, text in very good condition.    $5.00

67482. McKay, J. W. .   Chromosome Numbers in the Cucurbitaceae.   The Botanical Gazette, 1930, The Botanical Gazette, Volume 89, Number 4 : pages 416-417.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67483. McKay, J. W. and Goodspeed, T. H .   The Effects of X-Radiation on Cotton.   The American Association for the Advancement of Science, 1930, Science, Volume 61, Number 1851 : page 644.   Reprint, previous owners book stamp, signs of use and age, text in good condition.    $1.00

67484. McKee, R. and Schoth, H. A.   Common Vetch and Its Varieties.   United States Department of Agriculture, Washington, D. C, 1925, United States Department of Agriculture, Department Bulletin, Number 1289 : pages 1-20 with 8 figures and 13 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67485. McLean, J.   An Appeal to Every Nation. A treatise on the origin of destructive insect plagues and improvements in the art of their eradication and prevention, from a meteorological and hygienic basis?written under the auspices of? the Atty Gen. of the State of Calif.   Care Langley & Michaels Co. of San Francisco, 1893, , 59 pages with 2 illustrations.   Printed wraps present but detached and chipped, text in very good condition.    $51.00

67486. McMillan, J. R.   Investigations on the Occurrence and Inheritance of the Grass Clump Character in Crosses Between Varieties of Triticum vulgare..   Commonwealth of Australia, Council for Scientific and Industrial Research, Melbourne, Australia, 1937, Commonwealth of Australia, Council for Scientific and Industrial Research Bulletin, Number 104 : pages 1-68 pages with 34 tables, 7 figures and 8 plates.   Printed wraps, minor signs of use and age, very good condition.    $32.00

67487. McTaggart, A.   Survey of the Pastures of Australia. Embodying Ecological Information and Discussions Explanatory of the Accompanying Pasture Map of the Commonwealth.   Commonwealth of Australia, Council for Scientific and Industrial Research, Melbourne, Australia, 1936, Commonwealth of Australia, Council for Scientific and Industrial Research Bulletin, Number 99 : pages 1-71 in wraps with 18 figures and a large fold-out map plate in back.   Printed wraps, minor signs of use and age, very good condition.    $31.00

67488. Meek, C. S. and Lipman, C. B.   Relation of the Reaction and of Salt Content of the Medium on Nitrifying Bacteria.   The Journal of General Physiology, 1922, The Journal of General Physiology, Volume 5, Number 2 : pages 195-204 with 3 tables and 1 figure.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67489. Metcalf, M. M.   Origin and Distribution of the Anura.   The American Society of Naturalists, University of Notre Dame Press, Notre Dame, Indiana, 1923, The American Midland Naturalist, Volume 57 : pages 385-411 with 15 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $12.00

67490. Metcalf, M. M.   Opalina Japonica Sugiyama [Not Metcalf].   The American Association for the Advancement of Science, 1924, Science, Volume 59, Number 1516 : pages 64.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $1.00

67491. Metz, C. W.   Chromosome Studies on the Diptera. IV. Incomplete synapsis of chromosomes in Dasyllis Grossa Fabr..   Biological Bulletin, 1922, Biological Bulletin, Volume 43, Number 4 : pages 253-262 with 2 plates.   Reprint, previous owners book stamp, minor signs of use and age, uncut text in very good condition.    $8.00

67492. Metz, C. W.   Association of Homologous Chromosomes in Tetraploid Cells of Diptera..   Biological Bulletin, 1922, Biological Bulletin, Volume 43, Number 6 : pages 369-373 with 6 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67495. Metz, C. W.   Chromosomes and Sex in Sciara.   The American Association for the Advancement of Science, 1925, Science, Volume 61, Number 1573 : pages 212-214.   Reprint, usual signs of use and age, text in good condition.    $1.00

67498. Metz, C. W.   Genetic Evidence of a Selective Segregation of Chromosomes in Sciara (Diptera).   The National Academy of Sciences, 1926, Proceedings of the National Academy of Sciences, Volume 12, Number 12 : pages 690-692.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67496. Metz, C. W.   Chromosome Behavior and Genetic Behavior in Sciara (Diptera).   Zeitschrift fur induktive Abstammungs und Vererbungslehre, 1927, Zeitschrift fur induktive Abstammungs und Vererbungslehre, Volume 45 : pages 184-201 with 7 tables and 3 figures.   Reprint, minor signs of use and age, text in very good condition.   in English.   $5.00

67499. Metz, C. W.   Genetic Identification of the Sex Chromosomes in Sciara (Diptera).   The National Academy of Sciences, 1929, Proceedings of the National Academy of Sciences, Volume 15, Number 2 : pages 82-85.   Printed wraps, very good condition.    $4.00

67497. Metz, C. W.   Selective Segregation of Chromosomes in Males of a Third Species of Sciara.   The National Academy of Sciences, 1929, Proceedings of the National Academy of Sciences, Volume 15, Number 5 : pages 339-343 with 2 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67494. Metz, C. W.   Evidence that "unisexual" Progenies in Sciara are due to selective Elimination of Gametes (Sperms).   The American Society of Naturalists, University of Notre Dame Press, Notre Dame, Indiana, 1929, The American Midland Naturalist, Volume 63 : pages 214-228 with a 2-page table.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67500. Metz, C. W. et al.   Chromosome Behavior and Genetic Behavior in Sciara (Diptera) I. Chromosome Behavior in the Spermatocyte Divisions.   Verlag von Gebruder Borntraeger in Berlin, 1926, Zeitschrift fur induktive Abstammungs und Vererbungslehre, Volume 42, Number 4 : pages 237-270 with 15 figures and 3 plates.   Printed wraps, minor signs of use and age, very good condition.   in English.   $16.00

67502. Meurman, O. .   Untersuchungen Uber Die Bedeutung Des Neonlights Fur Gewachshaus-Kulturen (Growing Tomatoes Under Lights).   Sonderdruck aus Maataloustieteellinen Aikakauskirja, Germany, 1944, Maataloustieteellinen Aikakauskirja, pages 127-143 with 8 tables and 2 figures.   Reprint, previous owners name, minor signs of use and age, text in very good condition.   in German.   $8.00

67503. Meurman, O. and Suomalainen, E.   IV. Biologica. 11. Some Notes on the Inequality of Bivalents, Especially in the Hybrid Montbretia..   Suomalaisen Ttiedeakatemian Toimituksia, Helsinki, 1946, Annales Academie Scientarum Fennice, Sarja Series A, Number 11 : pages 1-13 pages with 12 figures.   Printed wraps, minor signs of use and age, very good condition.   in English.   $8.00

67504. Meurman, O. and Therman, E.   Studies on the Chromosome Morphology and Structural Hybridity in the Genus Clematis.   Cytologia, International Journal of Cytology, Japan, 1939, Cytologia, International Journal of Cytology, Volume 10, Numbers 1-2 : pages 1-14 with 13 figures and 2 tables.   Printed wraps, minor signs of use and age, very good condition.    $8.00

67505. Meyer, F. G.   Valeriana in North America and the West Indies (Valerianaceae).   The Missouri Botanical Garden, 1951, Annals of the Missouri Botanical Garden, Volume 38 : pages 377-503 with 48 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $27.00

67508. Millspaugh, C. F.   Contributions to North American Euphorbiaceae ? V. 1. Euphorbia Adenoptera in North America. 2. Chamaesyceae Novae. 3. Notulae Hypericifoliaearum.   Field Museum of Natural History, Chicago, Illinois, 1914, Field Museum of Natural History, Botanical Series, Volume 2, Number 10 : pages 383-397.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67507. Millspaugh, C. F.   A Substitute for the Microscope in Museum Installation.   The American Association of Museums, 1914, Proceedings from the American Association of Museums, Volume 8 : pages 83-85 with 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $5.00

67509. Millspaugh, C. F.   New Species of Xanthium and Solidago.   Field Museum of Natural History, Chicago, Illinois, 1918, Field Museum of Natural History, Botanical Series, Volume 4, Number 1 : pages 1-7 and 6 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67511. Mitsuoka, S.   Morphology and fertility of the F1 Hybrid between certain varieties of Triticum dicoccum and Aegilops squarrosa..   The Kihara Institute for Biological Research, Japan, 1953, Seiken Ziho, Report of the Kihara Institute for Biological Research, Number 6 : pages 91-96 with 1 figure.   Printed wraps, minor signs of use and age, very good condition.   in Japanese with English abstract.   $8.00

67513. Miyake, K.   III. Uber Reduktionsteilung in den Pollenmutterzellen einiger Monokotylen.   Histologische Beitrage zur Vererbungsfrage, 1905, Jahrbuchern fur wissenschaftliche Botanik, Volume 42, Number 1 : pages 82-120 with 3 fold-out plates.   Reprint, previous owners book stamp, usual signs of use and age, text in very good condition.   in German.   $18.00

67518. Miyake, K. et al.   Genetic Experiments with Cosmos.   The College of Agriculture, Imperial University of Tokyo, Japan, 1927, Journal of the College of Agriculture, Imperial University of Tokyo, Volume 9, Number 2 : pages 139-146 with 3 tables.   Printed wraps, signed by the author, previous owners book stamp, minor signs of use and age, text in very good condition.   in English.   $8.00

67517. Miyake, Kii. and Imai, Y.   On the Inheritance of Flower-Colour and other Characters in Digitalis Purpurea..   The College of Agriculture, Imperial University of Tokyo, 1920, Journal of the College of Agriculture, Imperial University of Tokyo, Volume 6, Number 4 : pages 391-401 with 1 table and 1 color plate.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67516. Miyake, Kii. and Imai, Y.   On the Inheritance of Double Flowers of the Japanese Morning Glory.   The Imperial Academy, Japan, 1927, Proceedings of the Imperial Academy, Volume 3, Number 3 : pages 167-168.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $4.00

67515. Miyake, Kii. and Imai, Y.   On the Inheritance of Flower Color in Sisyrinchium angustifolium.   The College of Agriculture, Imperial University of Tokyo, 1927, Journal of the College of Agriculture, Imperial University of Tokyo, Volume 9, Number 2 : pages 147-150 with 3 tables and 1 color plate.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67519. Miyazawa, B.   Studies on Mutations in Rice.   Miyazaki College of Agriculture and Forestry, 1935, Bulletin of Miyazaki College of Agriculture and Forestry, Number 7 : pages 1-100 with 39 figures and 9 page summary in English.   Printed wraps, previous owners writing on front wrap, minor signs of use and age, text in very good condition.   in Japanese with English abstract.   $42.00

67520. Mohlenbrock, R. H. and Voigt, J. W.   An Annotated Checklist of Vascular Plants of the Southern Illinois University Pine Hills Field Station and Environs.   Illinois State Academy of Science, 1965, Transactions of the Illinois State Academy of Science, Volume 58, Number 4 : pages 268-301 with 1 figure.   Printed wraps, minor signs of use and age, very good condition.    $8.00

67523. Morton, C. V.   Five New South American Species of Mascagnia.   The Biological Society of Washington, 1932, Proceedings of the Biological Society of Washington, Volume 45 : pages 49-54.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $3.00

67524. Morton, C. V.   A Revision of Trichantha (Gesneriaceae).   Smithsonian Institution Press, Washington, D. C, 1963, Contributions from the United States National Herbarium, Volume 38, Part 1 : pages 1-27.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67522. Morton, C. V.   The Peruvian Species of Besleria (Gesneriaceae).   Smithsonian Institution Press, Washington, D. C, 1968, Contributions from the United States National Herbarium, Volume 38, Part 4 : pages 125-151.   Printed wraps, minor signs of use and age, uncut text in very good condition.    $12.00

67501. Moses, M. S. and Metz, C. W.   Evidence That the Female Is Responsible for the Sex Ratio in Sciara (Diptera) and Observations On Sex-Ratio Determination in Sciara..   The National Academy of Sciences, 1928, Proceedings of the National Academy of Sciences, Volume 14, Number 12 : pages 928-932 with 1 figures.   Printed wraps, minor signs of use and age, very good condition.    $5.00

67525. Moss, C. E.   Xerophily and the Deciduous Habit.   The New Phytologist, 1907, The New Phytologist, Number 6 : pages 183-186.   Text extracted from a larger volume, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67526. Moyle, A. I.   Bibliography and Collected Abstracts on Rubber Producing Plants.   Agricultural and Mechanical College of Texas, 1942, Texas Agricultural Experiment Station, Circular, Number 99 : pages 1-228.   Printed wraps, tape repair to spine, previous owners book stamp, minor signs of use, usual signs of age, text in very good condition.    $42.00

67527. Mudge, E. R. and Nourse, B. F.   Report upon Cotton with a supplemental report.   Government Printing Office, Washington, D. C, 1869, Paris Universal Exposition, 1867. Reports of the United States Commissioners, 115 pages.   Printed wraps, previous owners book stamp, usual signs of use and age, uncut text in very good condition.    $42.00

67528. Müller, D.   Plantefysiologi.   C. Th. Thomsens Bogtrykkeri, Kobenhavn, Denmark, 1948, , 302 pages with 219 figures and 7 plates.   Printed wraps, signed by the author, minor signs of use and age, text in very good condition.   in Danish.   $34.00

67529. Munizaga, C. A. et al.   Notas Etnobotanicas Del Pueblo Atacameño de Socaire and Relatos Populares de Socaire.   Univesidad de Chile, Santiago de Chile, 1953, Univesidad de Chile, Centro de Estudios Antropolgicos, Publications, Number 5 : pages 1-54 with 10 figures.   Printed wraps, previous owners book stamp, minor signs of use, usual signs of age, text in very good condition.   with English abstract.   $13.00

67531. Munz, P. A.   Southern California Plant Notes - I.   Southern California Academy of Sciences, 1923, Bulletin of the Southern California Academy of Sciences, Volume 22 : pages 7-11.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67532. Munz, P. A.   Southern California Plant Notes - II.   Southern California Academy of Sciences, 1924, Bulletin of the Southern California Academy of Sciences, Volume 23, Part 4 : pages 1-6.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67533. Munz, P. A.   A New Malvastrum, California.   Southern California Academy of Sciences, 1925, Bulletin of the Southern California Academy of Sciences, Volume 24 : page 88.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $1.00

67535. Munz, P. A.   XII. The Antirrhinoideae-Antirrhineae of the New World.   The California Academy of Sciences, San Francisco, California, 1926, Proceedings of the California Academy of Sciences, 4th series, Volume 15, Number 12 : pages 323-397.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $24.00

67534. Munz, P. A.   New Plants from Nevada.   The Torrey Botanical Club, 1929, Bulletin of the Torrey Botanical Club, Volume 56 : pages 163-167.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67536. Munz, P. A. & Hitchcock, C. L.   A Study of the Genus Clarkia, with special reference to its relationship to Godetia.   The Torrey Botanical Club, 1929, Bulletin of the Torrey Botanical Club, Volume 56 : pages 181-197.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67537. Myers, H. C.   Alkali Lands and Sugar-Beet Culture, Paper III.   The Society of Chemical Industry, New York Section, London, 1903, Journal of the Society of Chemical Industry, New York Section, Volume 22, Number 13 : pages 3-12 with 7 figures.   Printed wraps, signed by the author, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67538. Nabours, R. K.   A New Dominant Color Pattern and Combinations That Breed True in De Grouse Locusts.   Nederlandsch Tijdschrift voor Erfelijkheids ? en Afstammingsleer, Jaarg, 1923, Genetica, Number 5-6 : pages 477-480 and 1 color plate with 14 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in English.   $5.00

67540. Navashin, M.   Studies on Polyploidy I. Cytological Investigations on Triploidy in Crepis.   University of California Press, Berkeley, California, 1929, University of California Publications in Agricultural Sciences, Volume 2, Number 14 : pages 377-400 with 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67539. Navashin, M.   A Preliminary Report on Some Chromosome Alterations by X-rays in Crepis.   The American Society of Naturalists, 1931, The American Naturalist, Volume 65 : pages 243-252.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67551. Nelson, A.   New Plants from Wyoming, IV.   The Torrey Botanical Club, 1898, The Botanical Gazette, Volume 25, Number 10 : pages 546-549.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67555. Nelson, A.   Rocky Mountain Chrysothamni.   The University of Chicago Press, Chicago, Illinois, 1899, The Botanical Gazette, Volume 28, Number 6 : pages 369-377.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67554. Nelson, A.   Native Vines in Wyoming Homes.   University of Wyoming, Agricultural College Department, Wyoming Experiment Station, Laramie, Wyoming, 1902, Wyoming Experiment Station, Bulletin, Number 50 : pages 1-15 with 11 plates.   Reprint, small piece of cover page corner missing, previous owners book stamp, minor signs of use and age, text and plates in very good condition.    $11.00

67560. Nelson, A.   The Genus Hedysarum in the Rocky Moutnains.   The Biological Society of Washington, 1902, Proceedings of the Biological Society of Washington, Volume 15 : pages 183-186.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67552. Nelson, A.   New Plants from Wyoming, XV.   The Torrey Botanical Club, 1902, The Botanical Gazette, Volume 29 : pages 400-406.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67541. Nelson, A.   Contributions from the Rocky Mountain Herbarium. III.   The University of Chicago Press, Chicago, Illinois, 1902, The Botanical Gazette, Volume 34 : pages 21-35.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67542. Nelson, A.   Contributions from the Rocky Mountain Herbarium. IV.   The University of Chicago Press, Chicago, Illinois, 1902, The Botanical Gazette, Volume 34 : pages 355-371.   Printed wraps, previous owners book stamp, minor signs of use and age, minor marks in text, text in good plus or better condition.    $14.00

67561. Nelson, A.   Psilostrophe, A Neglected genus of Southwestern Plants.   The Biological Society of Washington, 1903, Proceedings of the Biological Society of Washington, Volume 16 : pages 19-24.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67564. Nelson, A.   Plantae Andrewseae.   The Biological Society of Washington, 1904, Proceedings of the Biological Society of Washington, Volume 17 : pages 173-180.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67563. Nelson, A.   New Plants from Nevada.   The Biological Society of Washington, 1904, Proceedings of the Biological Society of Washington, Volume 17 : pages 91-98.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67553. Nelson, A.   New Plants from Wyoming, XIV.   The Torrey Botanical Club, 1904, The Botanical Gazette, Volume 31 : pages 239-247.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67543. Nelson, A.   Contributions from the Rocky Mountain Herbarium. V.   The University of Chicago Press, Chicago, Illinois, 1904, The Botanical Gazette, Volume 37 : pages 260-279.   Printed wraps, previous owners book stamp, usual signs of use and age, minor marks in text, text in good or better condition.    $13.00

67566. Nelson, A.   New Plants from Nevada. II.   The Biological Society of Washington, 1905, Proceedings of the Biological Society of Washington, Volume 18 : pages 171-176.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67565. Nelson, A.   Note on Arabis Pedicellata A. Nelson.   The Biological Society of Washington, 1905, Proceedings of the Biological Society of Washington, Volume 18 : pages 185-188.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67544. Nelson, A.   Contributions from the Rocky Mountain Herbarium. VII.   The University of Chicago Press, Chicago, Illinois, 1906, The Botanical Gazette, Volume 42 : pages 48-54.   Reprint, signed by the author, previous owners book stamp, usual signs of use and age, text in very good condition.    $6.00

67570. Nelson, A.   Some New Western Platns and Their Collectors.   The Biological Society of Washington, 1907, Proceedings of the Biological Society of Washington, Volume 20 : pages 33-40.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67545. Nelson, A.   Contributions from the Rocky Mountain Herbarium. VIII.   The University of Chicago Press, Chicago, Illinois, 1909, The Botanical Gazette, Volume 47, Number 6 : pages 425-437.   Reprint, previous owners book stamp, usual signs of use and age, text in very good condition.    $11.00

67546. Nelson, A.   Contributions from the Rocky Mountain Herbarium. IIX.   The University of Chicago Press, Chicago, Illinois, 1911, The Botanical Gazette, Volume 52, Number 4 : pages 261-274.   Reprint, signed by the author, previous owners book stamp, minor signs of use and age, text in very good condition.    $12.00

67547. Nelson, A.   Contributions from the Rocky Mountain Herbarium. X.   The University of Chicago Press, Chicago, Illinois, 1912, The Botanical Gazette, Volume 53, Number 3 : pages 219-228.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $9.00

67548. Nelson, A.   Contributions from the Rocky Mountain Herbarium. XI.   The University of Chicago Press, Chicago, Illinois, 1912, The Botanical Gazette, Volume 54, Number 2 : pages 136-151 with 2 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $14.00

67549. Nelson, A.   Contributions from the Rocky Mountain Herbarium. XII. New Plants from Idaho.   The University of Chicago Press, Chicago, Illinois, 1912, The Botanical Gazette, Volume 54, Number 5 : pages 404-418.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $14.00

67550. Nelson, A.   Contributions from the Rocky Mountain Herbarium. XIII.   The University of Chicago Press, Chicago, Illinois, 1913, The Botanical Gazette, Volume 56, Number 1 : pages 63-71.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67562. Nelson, A. and Cockerell, T. D.   Three New Plants from New Mexico.   The Biological Society of Washington, 1903, Proceedings of the Biological Society of Washington, Volume 16 : pages 45-46.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67568. Nelson, A. and Kennedy, P. B.   New Plants from the Great Basin.   The Biological Society of Washington, 1906, Proceedings of the Biological Society of Washington, Volume 19 : pages 155-158.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67567. Nelson, A. and Kennedy, P. B.   Plantae Montrosensis. I.   The Biological Society of Washington, 1906, Proceedings of the Biological Society of Washington, Volume 19 : pages 35-40.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67556. Nelson, A. and MacBride, J. F.   Western Plant Studies. I.   The University of Chicago Press, Chicago, Illinois, 1913, The Botanical Gazette, Volume 55, Number 5 : pages 372-383.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $11.00

67557. Nelson, A. and MacBride, J. F.   Western Plant Studies. II.   The University of Chicago Press, Chicago, Illinois, 1913, The Botanical Gazette, Volume 56, Number 6 : pages 469-479.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $10.00

67558. Nelson, A. and MacBride, J. F.   Western Plant Studies. III.   The University of Chicago Press, Chicago, Illinois, 1916, The Botanical Gazette, Volume 61, Number 1 : pages 30-47.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $16.00

67559. Nelson, A. and MacBride, J. F.   Western Plant Studies. IV.   The University of Chicago Press, Chicago, Illinois, 1916, The Botanical Gazette, Volume 62, Number 2 : pages 143-151.   Printed wraps, previous owners book stamp, minor signs of use and age, some pencil marks in text, text in good or better condition.    $8.00

67571. Nelson, E.   Some New Western Species.   Erythea, 1899, Erythea, Volume 7, Number 12 : pages 166-170.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67572. Nelson, E.   Revision of Certain Species of Plants of the Genus Antennaria.   Smithsonian Institution Press, Washington, D. C, 1901, Proceedings of the United States National Museum, Volume 23, Number 1230 : pages 697-713.   Printed wraps, signed by the author, previous owners book stamp, usual signs of use and age, text in good condition.    $13.00

67573. Newman, H. H.   The Process of Heredity as Exhibited by the Development of Fundulus Hybrids.   The Journal of Experimental Zoology, 1908, The Journal of Experimental Zoology, Volume 5, Number 4 : pages 503-551 with 5 plates and 16 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $13.00

67574. Newsom, V. M.   A Revision of the Genus Collinsia (Scrophulariaceae).   The University of Chicago Press, Chicago, Illinois, 1929, The Botanical Gazette, Volume 87 : pages 260-301.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67575. Nielsen, E. L.   Cytology and Breeding Behavior of Twin Plants of Bromus Inermis.   The University of Chicago Press, Chicago, Illinois, 1951, The Botanical Gazette, Volume 113, Number 1 : pages 23-54 with 51 figures.   Reprint, signed by the author, minor signs of use and age, text in very good condition.    $13.00

68027. Niering, W. A. and Whittaker, R. H.   The Suguaro: A Population in Relation to Environment.   The American Association for the Advancement of Science, 1963, Science, Volume 142, Number 3588 : pages 15-24 with 9 figures.   Text extracted from a larger volume, usual signs of age, text in very good condition.    $5.00

67290. Nordhagen, R.   Om Atenaria humifusa Wg. og dens betydning for utforskningen av Skandinavias eldste floraelement.   Bergen Museum, 1935, Bergens Museums Arbok Naturvidenskapelig Rekke, Number 1 : pages 1-183 with 11 plates and some text illustrations.   Printed wraps, minor signs of use and age, uncut text in very good condition.    $42.00

67577. Norlind, V.   Einige Neue Sudamerikanische Oxalis-Aarten.   Almqvist & Wilsells Boktryckeri-A.-B., Stockholm, Sweden, 1915, Arkiv for Botanik utgifvet af K. Svenska Venetnskapsakademien, Volume 14, Number 6 : pages 1-18 with 4 plates.   Printed wraps, previous owners writing on front wrap, usual signs of use and age, text and plates in very good condition.   in German.   $20.00

67578. Oehler, E.   Entwicklungsgeschiechtlich-cytologische Untersuchungen an einigen saprophytischen Gentianaceen.   Verlagsbuchhandlung Julius Springer in Berlin, 1927, Arbeiten aus dem Institut fur allgemeine Botanik der Universitat Zurich. II serie, Number 9 : pages 642-733 with 5 plates.   Printed wraps, minor signs of use and age, very good condition.    $20.00

67579. Ogura, Y.   On the Structure and Affinities of Some Cretaceous Plants from Hokkaido.   Department of Plant-Morphology and of Genetics, Botanical Institute, Faculty of Science, Tokyo Imperial University, 1930, Journal of the Faculty of Science Imperial University of Tokyo, Section III, Botany, Volume 2, Part 5 : pages 381-412 with 30 figures and 4 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.   in English.   $31.00

67580. Ogura, Y.   On the Structure and Affinities of Some Cretaceous Plants from Hokkaido. Second Contribution.   Department of Plant-Morphology and of Genetics, Botanical Institute, Faculty of Science, Tokyo Imperial University, 1932, Journal of the Faculty of Science Imperial University of Tokyo, Section III, Botany, Volume 2, Part 7 : pages 455-483 with 16 figures and 3 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.   in English.   $28.00

67582. Oliver, C. P.   The Effect of Varying the Duration of X-Ray Treatment Upon the Frequency of Mutation.   The American Association for the Advancement of Science, 1930, Science, Volume 71, Number 1828 : pages 44-46 with 1 table.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67584. Olsson-Seffer, P.   The Principles of Phytogeographic Nomenclature.   The University of Chicago Press, Chicago, Illinois, 1905, The Botanical Gazette, Volume 39 : pages 179-193.   Reprint, previous owners book stamp, minor signs of use and age, minor pencil marks in text, text in good or better condition.    $8.00

67585. Olsson-Seffer, P.   La Agricultura en Varios Paises Tropicales Y Subtropicales Informe Sobre Algunas Cuestiones Agricolas de Gran Interes.   Imprenta y fototipia de la Secretaria de Fomento, Mexico, 1910, La Ciencia y la Agricultura, Part I : pages 1-49 with 12 plates.   Printed wraps, tape repair to spine, previous owners book stamp, other minor signs of use and age, text and plates in very good condition.    $13.00

67587. Ostenfeld, C. H.   Genetic Studies in Polemonium Coerlueum.   Hereditas, 1923, Hereditas, Volume 4 : pages 17-26 with 3 figures.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67589. Oxford University Press.   Oxford Science.   Oxford University Press, 1938, Oxford Science, Volume 1, Number 1 : pages 1-56.   Printed wraps, usual signs of use and age, text in very good condition.    $8.00

67591. Oxford University Press.   Oxford Science.   Oxford University Press, 1939, Oxford Science, Volume 1, Number 2 : pages 57-98.   Printed wraps, minor signs of use and age, text in very good condition.    $8.00

67592. Oxford University Press.   Oxford Science.   Oxford University Press, 1939, Oxford Science, Volume 1, Number 3 : pages 99-140.   Printed wraps, minor signs of use and age, text in very good condition.    $8.00

67593. Oxford University Press.   Oxford Science.   Oxford University Press, 1948, Oxford Science, Volume 2, Number 1 : pages 1-55.   Printed wraps, minor signs of use and age, text in very good condition.    $8.00

67594. Oxford University Press.   Oxford Science.   Oxford University Press, 1949, Oxford Science, Volume 2, Number 2 : pages 1-53 with illustrations.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67596. Palmgren, A.   Societas pro Fauna et Flora Fennica. Sällskapets 100-Arsdag den 1 November 1921.   Societas Pro Fauna et Flora Fennica, Helsingforsiae, 1924, Meddelanden af Societas pro Fauna et Flora Fennica, Helsingfors, Number 48 : pages 66-105.   Printed wraps, name on front cover, minor signs of use and age, text in very good condition.    $8.00

67595. Palmgren, A.   Die Artenzahl als Pflanzengoegraphischer Charakter sowie Der Zufall und Die Säkulare Landhebung als Pflanzengoegraphische Faktoren.   Societas Pro Fauna et Flora Fennica, Helsingforsiae, 1925, Acta Botanica Fennica, Volume 1, Number 1 : pages 1-142 with fold-out map plate.   Printed wraps, name on front cover, minor signs of use and age, text in very good condition.    $31.00

67599. Pavillard, J.   Remarques sur la Nomenclature Phytogeographique.   Juillet, 1919, Juillet, 27 pages.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in French.   $8.00

67730. Payson, E. B. and St. John, H.   The Washington Species of Draba.   The Biological Society of Washington, 1930, Proceedings of the Biological Society of Washington, Volume 43 : pages 97-122.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67609. Peirce, G. J.   A New Respiration Calorimeter.   The University of Chicago Press, Chicago, Illinois, 1908, The Botanical Gazette, Volume 46 : pages 193-202.   Printed wraps, previous owners book stamp, minor signs of use and age, uncut text in very good condition.    $8.00

67610. Peirce, G. J.   The Liberation of Heat in Respiration.   The University of Chicago Press, Chicago, Illinois, 1912, The Botanical Gazette, Volume 53, Number 2 : pages 89-112 with 8 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $13.00

67611. Peirce, G. J.   Water and Plant Anatomy.   The California Academy of Sciences, 1944, Proceedings of the California Academy of Sciences, 4th series, Volume 25, Number 7 : pages 215-220.   Reprint, minor signs of use and age, text in very good condition.    $3.00

67600. Pennell, F. W.   The Genus Afzelia: A Taxonomic Study in Evolution.   The Academy of Natural Sciences of Philadelphia, 1925, Proceedings of the Academy of Natural Sciences of Philadelphia, Volume 77 : pages 335-373 with 9 figures.   Printed wraps, pencil notes on inside of front wrap, previous owners book stamp, other minor signs of use and age, text in very good condition.    $17.00

67604. Pennell, F. W.   Notes on Scrophulariaceae of the northwestern United States.   The Torrey Botanical Club, 1928, Bulletin of the Torrey Botanical Club, Volume 55 : 315-318.   Reprint, previous owners book stamp, minor signs of use and age, text in good or better condition.    $2.00

67605. Penzig, O.   Il Giardino Ricasoli alla Cassa Bianca (port Ercole) sul Monte Argentario.   Tipografia de Mariano Ricci, Firenze, 1885, Bullettino della R. Societa Toscana di Orticultura, Volume 10 : pages 1-13.   Printed wraps, usual signs of use and age, text in good or better condition.   in Italian.   $11.00

67606. Perredes, P. E.   Comparative Anatomy of the Barks of the Salicaceae (part 1).   The Wellcome Chemical Research Laboratories, London, 1903, The Wellcome Chemical Research Laboratories, Number 39 : pages 1-36 with 6 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67607. Perredes, P. E.   Botanical Characters of Some Californian Species of Grindelia.   The Wellcome Chemical Research Laboratories, London, 1906, The Wellcome Chemical Research Laboratories, Number 65 : pages 1-3 with 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67608. Perrin, P. G.   The Life and Works of Thomas Green Fessenden.   University of Maine, 1926, The Maine Bulletin, University of Maine Studies, Second Series, Volume 28, Number 7, Second Series, Number 4 : pages 1-206.   Printed wraps, minor signs of use and age, text in very good condition.    $21.00

67612. Petersen, G. H.   Arctic Station University of Copenhagen.   Universitetets Artiske Station, Compenhagen, 1968, Pamphlet, pages 1-27 with 9 figures and 1 map.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in English.   $12.00

67613. Picard, M. C.   Observations Botaniques sur Le Genre Sonchus.   Histoire Naturelle, 1833, Sciences Et Arts, II. Histoire Naturelle, Phytographie, pages 87-98 with 1 fold-out plate.   Wraps, some foxing, text in good or better condition.   publication date uncertain, in French.   $12.00

67614. Pickett, F. L. and Thayer, L. A.   The Gametophytic development of certain ferns: Polypodium vulgare var. occidentale and Pellaea densa.   The Torrey Botanical Club, 1927, Bulletin of the Torrey Botanical Club, Volume 54 : pages 249-255 with 3 plates.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67615. Pippen, R. W.   Mexican ?Cacalioid? Genera Allied to Senecio (Compositae).   Smithsonian Institution Press, Washington, D. C, 1968, Contributions from the United States National Herbarium, Volume 34, Part 6 : pages 365-442 with 10 plates.   Printed wraps, minor signs of use and age, very good condition.    $19.00

67618. Poe, I.   Revision of the Plantago Patagonica Group of the United States and Canada.   The Torrey Botanical Club, 1928, Bulletin of the Torrey Botanical Club, Volume 55 : pages 406-420.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67619. Poole, C. F.   Interspecific Hybrid, Crepis Rubra x C. Foetida, and some of its derivatives. I.   The University of Chicago Press, Chicago, Illinois, 1931, University of California Publications in Agricultural Sciences, Volume 6, Number 6 : pages 169-200 with 3 plates and 7 figures.   Printed wraps with some sun fading, previous owners book stamp, minor signs of use and age, text and plates in very good condition.    $15.00

67620. Porsild, A. E.   Illustrated Flora of the Canadian Arctic Archipelago.   Department of Northern Affairs and National resources, Canada, 1957, National Museum of Canada Bulletin, Number 146 : pages 1-209 with 70 figures and 332 maps.   Printed wraps, xlib, minor signs of use and age, text in very good condition.    $34.00

67621. Porsild, A. E.   Materials for a Flora of Central Yukon Territory.   National Museum of Natural Sciences, Ottawa, Canada, 1974, Publications in Botany, Number 4 : pages 1-77 with 13 plates.   Printed wraps, minor signs of use and age, text in very good condition.    $19.00

67622. Porsild, M. P.   Stray Contributions to the Flora of Greenland I-V.   Bianco Lunos Bogtrykkeri A/S, Kobenhavn, 1930, Arbejder fra den Danske Arktiske Station Paa Disko, Nr. 13. Seartryk af Meddelelser Om Gronland, Number 67 : pages 1-44 with 8 figures.   Printed wraps chipped along spine, other minor signs of use and age, text in very good condition.    $19.00

67623. Power, F. B. and Tutin, F.   Chemical Examination of Eriodictyon.   The Wellcome Chemical Research Laboratories, London, 1906, , Number 64 : pages 1-18 with photo frontispiece.   Printed wraps, previous owners book stamp, moisture stains, text in good condition.    $8.00

67625. Radcliffe-Smith, A.   A note on Romanoa (Euphorbiaceae).   Kew Bulletin, 1979, Kew Bulletin, Volume 34, Number 3 : pages 589-590.   Printed wraps, minor signs of use, very good condition.    $3.00

67633. Ramaley, F.   Contributions to the Knowledge of Seedlings. I. Seedlings of certain woody plants. II. Comparative anatomy of hypocotyl and epicotyl in woody plants.   University of Minnesota, 1899, Minnesota Botanical Studies, pages 69-136 with 8 plates and 23 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $30.00

67626. Ramaley, F.   Remarks on the Distribution of Plants in Colorado East of the Divide.   Minnesota Seaside Station, 1901, Postelsia, pages 21-53 with 6 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $17.00

67638. Ramaley, F.   The Cotyledons and Leaves of Certain Papilionaceae.   University of Colorado, Boulder, Colorado, 1903, The University of Colorado Studies, Volume 1, Number 3 : pages 239-243 with 9 figures.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67636. Ramaley, F.   Anatomy of Cotyledons.   The University of Chicago Press, Chicago, Illinois, 1903, The Botanical Gazette, Volume 37 : pages 388-389.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67635. Ramaley, F.   A Study of Certain Foliaceous Cotyledons .   University of Colorado, Boulder, Colorado, 1905, The University of Colorado Studies, Volume 2, umber 4 : pages 255-264.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67630. Ramaley, F.   Plant Zones in the Rocky Mountains of Colorado.   The American Association for the Advancement of Science, 1907, Science, Volume 26, Number 671 : pages 642-643.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67646. Ramaley, F.   Two Imperfectly Known Species of Crataegus.   The Torrey Botanical Club, 1908, Bulletin of the Torrey Botanical Club, Volume 35 : pages 581-583.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67647. Ramaley, F.   Studies In Mesa and Foothill Vegetation, I.   University of Colorado, Boulder, Colorado, 1908, The University of Colorado Studies, Volume 6, Number 1 : pages 11-49 with 19 figures and 2 plates.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $17.00

67627. Ramaley, F.   The Botanical Opportunity in Colorado.   University of Colorado, Boulder, Colorado, 1908, The University of Colorado Studies, Volume 6, Number 1 : pages 5-10.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67649. Ramaley, F.   Studies in Lake and Streamside Vegetation .   University of Colorado, Boulder, Colorado, 1909, The University of Colorado Studies, Volume 6, Number 2 : pages 133-168 with 12 figures, 6 tables, and 1 frontispiece.   Printed wraps, previous owners book stamp, usual signs of use and age, text in very good condition.    $15.00

67641. Ramaley, F.   Remarks on Some Northern Colorado Plant Communities with Special Reference to Boulder Park (Tolland,, Colorado).   University of Colorado, Boulder, Colorado, 1910, The University of Colorado Studies, Volume 7, Number 4 : pages 223-236 with 2 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $12.00

67648. Ramaley, F.   Ecological Cross-Section of Boulder Park (Tolland, Colorado).   University of Colorado, Boulder, Colorado, 1911, The University of Colorado Studies, Volume 8, Number 4 : pages 277-287 with 2 figures and 4 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $9.00

67629. Ramaley, F.   What is Biology and What is a ?Biological Survey??.   The American Association for the Advancement of Science, 1912, Science, Volume 35, Number 889 : pages 60-61.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67640. Ramaley, F.   Mendelian Proportions and the Increase of Recessives.   The American Society of Naturalist, 1912, American Naturalist, Volume 46 : pages 344-351 with 3 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67639. Ramaley, F.   Inheritance of Left-Handedness.   The American Society of Naturalist, 1913, American Naturalist, Volume 47 : pages 730-738 with 6 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67634. Ramaley, F.   Multiple Factors in Human Skin Color.   The American Association for the Advancement of Science, 1914, Science, Volume 39, Number 1006 : pages 533-534.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67642. Ramaley, F.   The Amount of Bare Ground in Some Mountain Grasslands.   The University of Chicago Press, Chicago, Illinois, 1914, The Botanical Gazette, Volume 57, Number 6 : pages 526-528 with 2 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $3.00

67643. Ramaley, F.   The Relative Importance of Different Species in a Mountain Grassland.   The University of Chicago Press, Chicago, Illinois, 1915, The Botanical Gazette, Volume 60, Number 2 : pages 154-157 with 3 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67628. Ramaley, F.   Quadrat Studies in A Mountain Grassland.   The University of Chicago Press, Chicago, Illinois, 1916, The Botanical Gazette, Volume 62, Number 1 : pages 70-74.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $3.00

67631. Ramaley, F.   Vascular Plants of The Tolland Region in Colorado.   University of Colorado, Boulder, Colorado, 1917, The University of Colorado Studies, Volume 12, Number 1 : pages 27-51.   Printed wraps, previous owners book stamp, signs of use and age, pencil marks throughout, text in good minus condition.    $8.00

67637. Ramaley, F.   Vascular Plants of The Tolland Region in Colorado.   University of Colorado, Boulder, Colorado, 1917, The University of Colorado Studies, Volume 12, Number 1 : pages 27-51.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67645. Ramaley, F.   The University of Colorado Mountain Laboratory at Tolland, Colorado.   University of Colorado, Boulder, Colorado, 1917, The University of Colorado Studies, Bulletin, Extra Edition, General Series, Volume 12, Number 1 : pages 3-14 with 3 figures and 5 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $10.00

67644. Ramaley, F.   Vegetation of Chaparral-covered Foothills southwest of Denver, Colorado, and Autumn Vegetation of the Foothills near Boulder, Colorado.   University of Colorado, Boulder, Colorado, 1931, The University of Colorado Studies, Bulletin, General Series, Volume 18, Number 4 : pages 231-255 with 3 figures.   Reprint, previous owners name, minor signs of use and age, text in very good condition.    $11.00

67652. Rasmusson, J.   Mendelnde Chlorophyll-Faktoren Bei Allium Cepa (Vorlaufige Mitteilung).   Hereditas, 1920, Hereditas, pages 126 and 129-134.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67653. Rasmusson, J.   Einige Versuche Mit Zuchtung Von Mohrruben Durch Selbstbefruchtung .   Lundgrens Soners Boktr, Malmo, 1926, Alnarps Tradgardars Forsoksverksamhet, pages 1-28 with 6 tables and 1 large fold-out plate.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in Swiss with an English summary.   $13.00

67651. Rasmusson, J.   Genetically Changed Linkage Values in Pisum.   Hereditas, 1927, Hereditas, Number 10 : pages 1-152 with 30 tables and 15 figures.   Printed wraps chipped at spine ends, previous owners book stamp, other minor signs of use and age, text in very good condition.    $32.00

67650. Rasmusson, J.   Foderrotfrukternas foradling. (Root Crop Breeding).   Sartryck ur Sveriges Utsadesforenings Tidskrift, 1928, Sartryck ur Sveriges Utsadesforenings Tidskrift, Volume 3 : pages 121-150 with 15 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67654. Rau, V.   Inheritance of Some Morphological Characters in Crepis Capillaris.   University of California Press, Berkeley, California, 1923, University of California Publications in Agricultural Sciences, Volume 2, Number 7 : pages 217-242 with 2 plates and 3 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67655. Rawitscher, F. et al.   Profundidade Dos Solos E Vegetacao Em Campos Cerrados Do Brasil Meridional (Soil Depth and Vegetation of Campos Cerrados in Southern Brasil.).   Academia Brasileira de Ciencias, 1943, Anais da Academia Brasileira de Ciencias, Volume 15, Number 4 : pages 267-294 with 5 tables, 8 figures and 8 photos.   Printed wraps with some sun fading, previous owners marks on front wrap, other minor signs of use, text in very good condition.    $13.00

67656. Renault, M. B.   La Fructification De Quelques Vegetaux. Provenant des Gisements Silicifies D?Autun Et De Saint-Etienne.   Annales des Sciences Naturelles, Botanique, 1880, Annales des Sciences Naturelles, Botanique, pages 5-29 with 4 plates.   Wraps, previous owners name, minor signs of use and age, some minor foxing, text in good plus or better condition.   in French, exact data of publication uncertain.   $17.00

67657. Renvoize, S. A.   A New Species of Acroceras (Gramineae) from Tropical Africa.   Kew Bulletin, 1979, Kew Bulletin, Volume 34, Number 3 : page 556.   Printed wraps, minor signs of use, very good condition.    $2.00

67658. Renvoize, S. A.   New Species of Panicum (Gramineae) from Tropical Africa.   Kew Bulletin, 1979, Kew Bulletin, Volume 34, Number 3 : pages 551-555.   Printed wraps, minor signs of use, very good condition.    $5.00

67660. Richard, L..   Observations sur les Etamines et Antheres Des Scrofularinees et en Particulier du Genre Melampyrum.   Soc. Hist. Nat. Acd, 1903, , pages 48-52 with 1 plate.   Wraps, usual signs of use and age, good condition.   in French.   $8.00

67662. Richey, F. D. and Mayer, L. S.   The Productiveness of Successive Generations of Self-Fertilized Lines of Corn and of Crosses Between Them.   United States Department of Agriculture, Washington, D. C, 1925, United States Department of Agriculture, Department Bulletin, Number 1354 : pages 1-19 with 8 plates and 7 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67664. Rickett, H. W. et al.   Flora of Columbia, Missouri.   The University of Missouri, Columbia, Missouri, 1931, The University of Missouri Studies, Volume 6, Number 1 : pages 1-84 with 1 fold-out map.   Printed wraps, usual signs of use and age, text in very good condition.    $18.00

67665. Riley, H. P.   Self-Sterility in Shepherd?s Purse.   Genetics, 1932, Genetics, Volume 17 : pages 231-295 with 17 tables and 4 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $14.00

67666. Robbins, W. W.   Successions of Vegetation in Boulder Park, Colorado.   The University of Chicago Press, Chicago, Illinois, 1918, The Botanical Gazette, Volume 65, Number 6 : pages 493-525 with 14 figures.   Reprint, signed by the author, minor signs of use and age, text in very good condition.    $13.00

67667. Robertson, G.   Forestry in relation to Geology.   Redlands, California, 1904, The Citrograph, Volume 24, Number 20 : 1 page.   One page extracted from a larger issue, signs of use and age, good minus condition.    $2.00

67672. Robinson, B. L.   Problems and Possibilities of Systematic Botany.   Botanical Society of America, 1901, Science, Volume 14, No 352 : pages 1-15.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $7.00

67670. Robinson, B. L.   The Generic Concept in the Classification of the Flowering Plants.   The American Association for the Advancement of Science, 1906, Science, Volume 23, Number 577 : pages 81-92.   Reprint, previous owners book stamp, signs of age, text in good condition.    $5.00

67669. Robinson, B. L.   Woody Species of Eupatorium and Ophryosporus Occurring in Mexico.   Smithsonian Institution Press, Washington, D. C, 1926, Contributions from the United States National Herbarium, Volume 23 : pages 1432-1470.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $13.00

67673. Robinson, H.   A Study of the Genus Schistocarpha (Heliantheae: Asteraeae).   Smithsonian Institution Press, Washington, D. C, 1979, Smithsonian Contributions to Botany, Number 42 : pages 1-20 with 25 figures.   Printed wraps, minor signs of use and age, very good condition.    $8.00

67674. Robinson, H. et al.   Chromosome Numbers in Compositae, XII: Heliantheae.   Smithsonian Institution Press, Washington, D. C, 1981, Smithsonian Contributions to Botany, Number 52 : pages 1-28 with 3 tables.   Printed wraps, minor signs of use and age, very good condition.    $12.00

67675. Romell, L. G.   Mull and Duff as Biotic Equilibria.   Forest Soils Laboratory, Cornell University, 1932, Soil Science, Volume 34, Number 3 : pages 161-188.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67676. Rose, J. N.   Five New Species of Mexican Plants.   Smithsonian Institution Press, Washington, D. C, 1905, Proceedings of the United States National Museum, Volume 29 : pages 437-439.   Printed wraps, previous owners book stamp, signs of use and age, text in very good condition.    $5.00

67677. Rose, J. N.   New Names for Two Recently Described Genera of Plants.   The Biological Society of Washington, 1906, Proceedings of the Biological Society of Washington, Volume 29 : page 96.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $1.00

67679. Rose, J. N. and Painter, J. H.   Morkillia, A New Name for the Genus Chitonia: with Description of a New Species.   Smithsonian Institution Press, Washington, D. C, 1907, Smithsonian Miscellaneous Collections, Volume 50, Part 1, Number 1708 : pages 33-34.   Printed wraps, previous owners book stamp, very good condition.    $5.00

67684. Rosendahl, C. O.   Embryo-Sac Development and Embryology of Symplocarpus Foetidus.   University of Minnesota, 1909, Minnesota Botanical Studies, pages 1-9 with 3 plates.   Printed wraps, minor signs of use and age, text in very good condition.    $8.00

67680. Rosendahl, C. O.   Experiments in Forcing Native Plants to Blossom During the Winter Months.   The Plant World, 1914, The Plant World, Volume 17, Number 12 : pages 354-361.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67681. Rosendahl, C. O.   Observations on Betula in Minnesota with Special Reference to Some Natural Hybrids.   University of Minnesota, 1916, Minnesota Botanical Studies, pages 443-459.   Printed wraps, previous owners book stamp, minor signs of use and age, uncut text in very good condition.    $8.00

67682. Rosendahl, C. O.   Reputed Minnesota Plants Which Probably do not Occur in the State.   University of Minnesota, 1916, Minnesota Botanical Studies, pages 461-473.   Printed wraps, previous owners book stamp, minor signs of use and age, uncut text in very good condition.    $8.00

67683. Rosendahl, C. O.   A Revision of the Genus Sullivantia.   University of Minnesota, 1927, Minnesota Studies in Biological Studies, Number 6 : pages 401-427 with 2 figures and 6 plates.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $14.00

67686. Rubel, E.   Okologische Pflanzengeographie.   Verlag von Gustav Fischer, Jena, 1913, Handworterbuch der Naturwissenschaften, Volume 4 : pages 858-907.   Printed wraps chipped, previous owners book stamp, usual signs of use and age, text in very good condition.   in German.   $13.00

67693. Rubel, E.   Protokoll der Sitzung .   Vierteljahrsschrift der Naturforschenden Gesellschaft Zurich, 1914, Jahrgang, Number 59 : pages 1-3.   Reprint, previous owners book stamp, signs of use and age, text in very good condition.   in German.   $2.00

67694. Rubel, E.   Heath and Steppe, Macchia and Garigue.   Cambridge University Press, Great Britain, 1914, The Journal of Ecology, Volume 2, Number 4 : pages 232-237.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in English.   $8.00

67689. Rubel, E.   Erganzungen zu Brockmann-Jerosch und Rubel?s ?Einteilung der Pflanzen-gesellschaften?.   Gebruder Borntraeger, Berlin, 1915, Sonderabdruck aus den Berichten der Deutschen Botanischen Gesellschaft, Volume 32, Number 1 : pages 1-11.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in German.   $8.00

67687. Rubel, E.   Vorschlage zur geobotanischen Kartographie.   Verlag von Rascher & Co., Zurich und Leipzig, 1916, Pflanzengeographische Kommission der Schweiz. Naturforsch. Gesellschaft, Beitrage sur geobotanischen, Volume 24 : pages 1-14 with 2 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in German.   $8.00

67692. Rubel, E.   Anfange und Ziele der Geobotanik.   Viertelijahrsschrift der Naturforschenden Gesellschaft in Zurich, 1917, Sonderabdruck aus Jahrgang, Number 62 : pages 630-650.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.   in German.   $9.00

67688. Rubel, E.   Bericht uber das Geobotanische Forschungsinstitute Rubel in Zurich 1929 - 1930.   Forschungsinstitute Rubel in Zurich, 1931, Forschungsinstitute Rubel in Zurich, pages 1-23.   Printed wraps, minor signs of use and age, very good condition.   in German.   $10.00

67695. Rubel, E. et al.   Programme fur geobatanische Arbeiten.   Verlag von Rascher & Co., Zurich und Leipzig, 1916, Pflanzengeographische Kommission der Schweiz. Naturforsch. Gesellschaft, Beitrage sur geobotanischen, Volume 24 : pages 1-28.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in German.   $6.00

67698. Rudd, V. E.   The Genus Dussia (Leguminosae).   Smithsonian Institution Press, Washington, D. C, 1963, Contributions from the United States National Herbarium, Volume 32, Part 4 : pages 247-275 with 11 figures.   Printed wraps, very good condition.    $13.00

67697. Rudd, V. E.   The American Species of Ormosia (Leguminosae).   Smithsonian Institution Press, Washington, D. C, 1965, Contributions from the United States National Herbarium, Volume 32, Part 5 : pages 279-384 with 15 figures and 6 plates.   Printed wraps, very good condition.    $21.00

67696. Rudd, V. E.   A Resume of Ateleia and Cyathostegia (Leguminosae).   Smithsonian Institution Press, Washington, D. C, 1968, Contributions from the United States National Herbarium, Volume 32, Part 6 : pages 385-410 with 1 figure and 9 plates.   Printed wraps, minor signs of age, text in very good condition.    $15.00

67700. Russell, M. A.   Effects of X-Rays on Zea Mays.   University of Pennsylvania, Philadelphia, 1936, Plant Physiology, Volume 12, Number 1 : pages 117-133 with 8 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67702. Ruttle, M. L.   Chromosome Number and Morphology in Nicotiana, I. The Somatic Chromosomes & Non-Disjunction in N. Alata Var. Grandiflora.   University of California Press, Berkeley, California, 1927, University of California Publications in Botany, Volume 2, Number 9 : pages 159-176 with 8 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, uncut text in very good condition.    $8.00

67703. Ruttle, M. L.   Chromosome Number and Morphology in Nicotiana, II. Diploidy & Partial Diploidy in Root Tips of Tabacum Haploids.   University of California Press, Berkeley, California, 1927, University of California Publications in Botany, Volume 2, Number 11 : pages 213-232 with 7 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, uncut text in very good condition.    $8.00

67705. Rydberg, P. A.   Some Generic Segregations (Zzygadenus, Rubus, Mantazelia).   The New York Botanical Garden, 1908, Bulletin of the Torrey Botanical Club, Volume 30 : pages 271-281 with 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67706. Rydberg, P. A.   Notes on Philotria Raf.   The New York Botanical Garden, 1908, Bulletin of the Torrey Botanical Club, Volume 35 : pages 457-465.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67704. Rydberg, P. A.   The Flowers and Fruit of the Turtle-Grass.   The New York Botanical Garden, 1909, Journal of the New York Botanical Garden, pages 261-264.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67707. Rydberg, P. A.   Some Senecioid Genera, I & II.   The New York Botanical Garden, 1924, Bulletin of the Torrey Botanical Club, Volume 51: pages 369-378 and 409-420.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $9.00

67734. Sagorski, E.   Alectorolophus herecegovinus n. sp..   Osterreichischen botanischen Zeitschrift, Jahrg, 1909, Osterreichischen botanischen Zeitschrift, Number 3 : pages 1-4 with 14 figures.   Reprint, previous owners book stamp, minor signs of use and age, text in good or better condition.    $4.00

67735. Sakamura, T. and Stow, I.   Ueber die experimentell veranlasste Entstehung von keimfahigen Pollenkornern mit abweichenden Chromosomenzahlen.   Japanese Journal of Botany, Tokyo, 1926, Japanese Journal of Botany, Volume 3, Number 2 : pages 112-137 with 22 figures and 1 plate.   Printed wraps, previous owners book stamp, usual signs of use and age, text in good or better condition.    $12.00

67736. Samuelsson, G.   Revision der Sudamerikanischen Epilobium-Arten.   Svensk Botanisk Tidskrift , 1923, Svensk Botanisk Tidskrift, Volume 17, Number 2 : pages 241-295 with 4 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text and plates in very good condition.    $26.00

67738. Sanchez, M. S.   Las Colecciones Botanicas de C.A. Purpus en Mexico, 1898-1925.   University of California Press, Berkeley, California, 1969, University of California Publications in Botany, Volume 51 : pages 1-36 with frontispiece.   Printed wraps, very good condition.   in Spanish with forward in English.   $16.00

67743. Sax, K.   Sterility Relationship in Maine Apple Varieties.   University of Maine, Maine Agricultural Experiment Station, Orono, Maine, 1922, The Annual Report of the Maine Agricultural Experiment Station, 1922 : pages 63-76 with 1 figure and 3 tables.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67740. Sax, K.   Sterility in Wheat Hybrids. II. Chromosome Behavior in Partially sterile Hybrids.   Genetics, 1922, Genetics, Volume 7 : pages 513-552 with 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $17.00

67741. Sax, K.   Sterility in Wheat Hybrids. III. Endosperm Development and F2 Sterility.   Genetics, 1922, Genetics, Volume 7 : pages 553-558.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $5.00

67742. Sax, K.   The Relation between Chromosome Number, Morphological Characters and Rust resistance in Segregates of Partially Sterile Wheat Hybrids.   Genetics, 1923, Genetics, Volume 8 : pages 301-321 with 2 tables and 1 figure.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $9.00

67744. Sax, K.   The Association of Size Differences with Seed-coat pattern and pigmentation in Phaseolus vulgaris.   Genetics, 1923, Genetics, Volume 8 : pages 552-560.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67739. Sax, K.   The Nature of Size Inheritance.   National Academy of Sciences, 1924, Proceedings of the National Academy of Sciences, Volume 10, Number 6 : pages 224-227.   Printed wraps, previous owners book stamp, usual signs of use and age, text in very good condition.    $3.00

67745. Sax, K. and Gaines, E. F.   A Genetic and Cytological Study of Certain Hybrids of Wheat Species.   United States Department of Agriculture, Washington, D. C, 1924, Journal of Agricultural Research, Volume 28, Number 10 : pages 1017-1032 with 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67746. Sax, K. and Gowen, J. W.   The Place of Stocks in the Propagation of Clonal Varieties of Apples.   Genetics, 1923, Genetics, Volume 8 : pages 458-465.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67747. Sax, K. and Kribs, D. A.   Chromosomes and Phylogeny in Caprifoliaceae.   Journal of the Arnold Arboretum, 1930, Journal of the Arnold Arboretum, Volume 11 : pages 147-153.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $4.00

67748. Sax, K. and McPhee H. C.   Color Factors in Bean Hybrids.   American Genetic Association, Washington, D. C, 1923, Journal of Heredity, Volume 14, Number 5 : pages 205-208 with 2 figures.   Reprint, previous owners book stamp, usual signs of use and age, text in good condition.    $4.00

67749. Sax, K. and Sax, H. J.   Chromosome Behavior in a Genus Cross.   Genetics, 1924, Genetics, Volume 9 : pages 454-464 with 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67761. Schaffner, J. H.   A Successful Mutant of Verbena Without External Isolation.   The Ohio Journal of Science, 1906, The Ohio Journal of Science, Volume 7, Number 2 : pages 31-34.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67750. Schaffner, J. H.   Classification of Plants, VII.   The Ohio Naturalist, 1911, The Ohio Naturalist, Volume 12, Number 2 : pages 409-419.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $9.00

67751. Schaffner, J. H.   Classification of Plants, VIII.   The Ohio Naturalist, 1913, The Ohio Naturalist, Volume 13, Number 4 : pages 69-78.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67752. Schaffner, J. H.   Classification of Plants, IX.   The Ohio Naturalist, 1913, The Ohio Naturalist, Volume 13, Number 6 : pages 101-108.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $7.00

67753. Schaffner, J. H.   Classification of Plants, X.   The Ohio Naturalist, 1913, The Ohio Naturalist, Volume 14, Number 1 : pages 197-203.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $6.00

67754. Schaffner, J. H.   Principles of Plant Taxonomy, I.   The Ohio Journal of Science, 1924, The Ohio Journal of Science, Volume 24, Number 3 : pages 146-160.   Reprint, previous owners book signature, minor signs of use and age, text in very good condition.    $13.00

67755. Schaffner, J. H.   Principles of Plant Taxonomy, II.   The Ohio Journal of Science, 1925, The Ohio Journal of Science, Volume 25, Number 5 : pages 219-243 with 1 plate.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $22.00

67756. Schaffner, J. H.   Principles of Plant Taxonomy, III.   The Ohio Journal of Science, 1926, The Ohio Journal of Science, Volume 26, Number 6 : pages 294-310 with 2 figures.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $14.00

67757. Schaffner, J. H.   Principles of Plant Taxonomy, IV.   The Ohio Journal of Science, 1927, The Ohio Journal of Science, Volume 27, Number 5 : pages 249-261.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67758. Schaffner, J. H.   Principles of Plant Taxonomy, V.   The Ohio Journal of Science, 1928, The Ohio Journal of Science, Volume 28, Number 2 : pages 69-85.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $14.00

67759. Schaffner, J. H.   Principles of Plant Taxonomy, VII.   The Ohio Journal of Science, 1929, The Ohio Journal of Science, Volume 29, Number 5 : pages 243-252.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67760. Schaffner, J. H.   Principles of Plant Taxonomy, VIII.   The Ohio Journal of Science, 1929, The Ohio Journal of Science, Volume 29, Number 6 : pages 289-299.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $9.00

67762. Schrader, H. A.   Commentatio super Veronicis Spicatis Linnaei.   , 1803, , 40 pages with 2 beautiful fold-out line drawings of the Veronica martima and Veronica longifolia.   Wraps with minor edge wear, previous owners book stamp, usual signs of use and age, text in very good condition for the age.   in Latin.   $42.00

67763. Schratz, E.   Untersuchungen uber die Geschlechterverteilung bei Equisetum arvense.   Georgthieme, Verlag, Leipzig, Germany, 1928, Biologischen Zentralblatt, Volume 48, Number 10 : pages 617-638.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   in German.   $9.00

67765. Schroeter, C.   Hooker Lecture: The Swiss National Park.   Linnean Society, 1926, Linnean Society?s Journal, Botany, Volume 47 : pages 640-643 with 3 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, some pencil marks in text margins, text in good condition.    $8.00

67766. Schuster, R. M.   The Hepaticae of the East Coast of Hudson Bay (Notes on Nearctic Hepaticae, II).   National Museum of Canada Bulletin, 1951, National Museum of Canada Bulletin, Number 122 : pages 1-62 with 8 plates.   Printed wraps, xlib, minor signs of use and age, text in very good condition.    $17.00

67767. Selander, S.   Floristic Phytogeography of South-Western Lule Lappmark (Swedish Lapland), I.   Almqvist & Wiksells Boktryckeri AB, Uppsala, 1950, Acta Phytogeographica Suecica Edidit Svenska Vaxtgeografiska Sallskapet, Number 27 : pages 1-200 with 33 figures.   Printed wraps, previous owners marks on front wrap, xlib, usual signs of use and age, text in very good condition.   in English.   $42.00

67768. Selander, S.   Floristic Phytogeography of South-Western Lule Lappmark (Swedish Lapland), II. Karlvaxtfloran I Sydvastra Lule Lappmark.   Almqvist & Wiksells Boktryckeri AB, Uppsala, 1950, Acta Phytogeographica Suecica Edidit Svenska Vaxtgeografiska Sallskapet, Number 28 : pages 1-152 with 488 maps.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.   with an English summary.   $42.00

67772. Setchell, W. A.   Ruppia and its Environmental Factors.   National Academy of Sciences, 1924, Proceedings of the National Academy of Sciences, Volume 10, Number 6 : pages 286-288.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67770. Setchell, W. A. et al.   A Preliminary Note on the Results of Crossing Certain Varieties of Nicotiana Tabacum.   National Academy of Sciences, 1921, Proceedings of the National Academy of Sciences, Volume 7, Number 2 : Pages 50-56.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $6.00

67769. Setchell, W. A. et al.   Inheritance in Nicotiana Tabacum. I, A Report on the Results of Crossing Certain Varieties.   University of California Press, Berkeley, California, 1922, University of California Publications in Botany, Volume 5, Number 17 : pages 457-582 with 2 figures and 31 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $30.00

67774. Shaw, H. K.   New Euphorbiaceae from New Guinea.   Kew Bulletin, 1979, Kew Bulletin, Volume 34, Number 3 : pages 591-598.   Printed wraps, very good condition.    $5.00

67775. Shelford, V. E.   Preserves of Natural Conditions.   Illinois State Academy of Science, 1920, Transactions Illinois State Academy of Science, Volume 13 : pages 37-58 with 15 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $9.00

67776. Shelford, V. E. and Gail, F. W.   A Study of Light Penetration into Sea Water Made with the Kunz Photo-electric Cell with Particular Reference to the Distribution of Plants.   Puget Sound Biological Station, 1922, Publications Puget Sound Biological Station, pages 141-174 with 12 figures.   Printed wraps, previous owners book stamp, usual signs of use and age, text in very good condition.    $17.00

67777. Shelter, S. G. et al..   An Introduction to the Botanical Type Specimen Register.   Smithsonian Institute Press, 1973, Smithsonian Contributions to Botany, Number 12 : pages 1-186.   Printed wraps, very good condition.    $34.00

67778. Sherff, E. E.   Studies in the Genus Bidens. IV. .   The University of Chicago Press, Chicago, Illinois, 1917, The Botanical Gazette, Volume 64 : pages 21-41 with 2 plates.   Printed wraps, signed by the author, previous owners book stamp, minor signs of use and age, text in very good condition.    $10.00

67779. Sherff, E. E.   Studies in the Genus Bidens.   The University of Chicago Press, Chicago, Illinois, 1920, The Botanical Gazette, Volume 70, Number 2 : pages 89-109 with 4 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67783. Sherff, E. E.   New or Otherwise Noteworthy Compositae. IX.   The University of Chicago Press, Chicago, Illinois, 1933, The Botanical Gazette, Volume 95 : pages 78-103.   Printed wraps, minor signs of use and age, text in very good condition.    $11.00

67780. Sherff, E. E.   Further Studies in the Genus Dodonaea.   Field Museum of Natural History, Chicago, Illinois, 1947, Botanical Series, Field Museum of Natural History, Volume 23, Number 6 : pages 269-317.   Printed wraps, signed by the author, minor signs of use and age, text in very good condition.    $21.00

67782. Sherff, E. E.   A Preliminary Study of Hawaiian Species of the Genus Rauvolfia, and Additions to the Genera Scalesia and Hidalgoa.   Field Museum of Natural History, Chicago, Illinois, 1947, Botanical Series, Field Museum of Natural History, Volume 23, Number 7 : 321-336 with 1 plate.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67784. Sherman, M.   Karyotype Evolution: A Cytogenetic Study of Seven Species and Six Interspecific Hybrids of Crepis.   University of California Press, Berkeley, California, 1946, University of California Publications in Botany, Volume 18, Number 17 : pages 369-408 with 6 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $20.00

67786. Shimotomai, N.   Bastardierungsversuche bei Chrysanthemum. I..   Hiroshima University, Hiroshima, Japan, 1931, Journal of Science of the Hiroshima University, Series B, Division 2, Volume 1, Article 3 : pages 1-54 with 4 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $17.00

67790. Shreve, F.   Lowland vegetation of Sinaloa.   Torrey Botanical Club 64; 605-613, no wraps, 3 figs, good condition. (2 copies of this), 1937, Bulletin of the Torrey Botanical Club, Volume 64 : pages 605-613 with 3 figures.   Reprint, minor signs of use and age, text in very good condition.    $6.00

67788. Shreve, F.   The Vegetation of Jamaica.   Chronica Botanica, 1942, Chronica Botanica, Volume 7, Number 4 : pages 164-166.   Reprint, some sun fading, other minor signs, text in very good condition.    $3.00

67789. Shreve, F.   Rainfall of Norther Mexico.   Ecological Society of America, 1944, Ecology, Volume 25, Number 1 : pages 105-111 with 3 figures and 1 table.   Printed wraps, minor signs of use and age, text in very good condition.    $6.00

67791. Shreve, F. and Turnage, W. V.   Establishment of Moisture Equilibrium in Soil.   Soil Science, 1936, Soil Science, Volume 41, Number 5 : pages 351-355.   Reprint, signs of age, text in very good condition.    $3.00

67794. Sinoto, Y.   On Chromosome Behavior dn Sex Determination in Rumex acetosa, L..   The Botanical Magazine, Tokyo, 1924, The Botanical Magazine, Volume 37, Number 453 : pages 154-161 with 40 figures.   Printed wraps, previous owners book stamp, usual signs of use and age, text in very good condition.    $8.00

67793. Sinoto, Y.   On the Chromosome Number and the Unequal Pair of Chromsomes in Some Dioecious Plants.   Botanical Institute, Faculty of Science, Tokyo Imperial University, 1928, Proceedings of the Imperial Academy, Volume 4, Number 4 : pages 175-177 with 1 figure.   Printed wraps, previous owners book stamp, usual signs of use and age, text in very good condition.    $5.00

67796. Sinoto, Y.   Chromosome Studies in Some Dioecious Plants, with special reference to the Allosomes.   Cytologia, International Journal of Cytology, 1929, Cytologia, Volume 1, Number 2 : pages 110-191 with 132 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $17.00

67792. Sinoto, Y.   Chromosomes of Makinoa crispata, Miyake.   Cytologia, International Journal of Cytology, 1930, Cytologia, Volume 2, Number 1 : pages 81-84.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67801. Skottsberg, C.   Om Litorella Australis Griseb. Och dess Betydelse for Tokningen af blomstallningen hos Slaktet Litorella.   Svensk Botanisk Tidskrift , 1911, Svensk Botanisk Tidskrift, Volume 5 : pages 133-143 with 9 figures.   Wraps, previous owners book stamp, very good condition.   in German.   $5.00

67799. Skottsberg, C.   Notes on Pacific Coast Algae I. Pylaiella Postelsiae N. sp., A New Type in the genus Pylaiella.   University of California Press, Berkeley, California, 1915, University of California Publications in Botany, Volume 6, Number 6 : pages 153-164 with 3 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $14.00

67800. Skottsberg, C.   Bemerkungen zu einigen Chloraea und Asarca-Arten.   Meddelanden Fran Goteborgs Botanisk Tradgard, 1924, Meddelanden Fran Goteborgs Botanisk Tradgard, Number 1 : pages 211-224 with 7 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $7.00

67802. Skottsberg, C.   The Philydraceae of Netherlands India.   Jardin Botanique de Buitenzoorg, 1933, Bulletin du Jardin Botanique de Buitenzoorg, Series 3, Volume 13, Number 1 : pages 110-113.   Reprint, usual signs of use and age, text in good or better condition.    $2.00

67798. Skottsberg, C.   Notes on Orthothylax.   Kew Bulletin, 1934, Kew Bulletin, Number 3 : 3 pages with 1 table and 4 figures.   Printed wraps, very good condition.    $5.00

67803. Skottsberg, C. and Vestergren, T.   Der Vegetation der Insel Oesel.   Kungl. Boktryckerirt. P.A. Norstedt & Soner, Stockholm, Sweden, 1901, Bihand Till K. Svenska vet-akad, Volume 27, Part 3, Number 7 : pages 1-97 with 1 map plate.   Wraps, previous owners book stamp, minor signs of use and age, very good condition.   in Swedish and Latin.   $21.00

67805. Smith, A. M.   On the Application of the Theory of Limiting Factors to Measurements and Observations of Growth in Ceylon.   Royal Botanic Gardens, Peradeniya, 1906, Annals of the Royal Botanic Gardens, Peradeniya, Volume 3, Part 2 : pages 303-375 with 4 plates.   Text and plates extracted from a larger volume, previous owners book stamp, minor signs of use and age, text and plates in very good condition.    $17.00

67806. Smith, A. P.   Growth and Population Dynamics of Espeletia (Compositae) in the Venezuelan Andes.   Smithsonian Institute Press, 1981, Smithsonian Contributions to Botany, Number 48 : pages 1-45 with 19 figures.   Printed wraps, minor signs of use and age, very good condition.    $20.00

67807. Smith, F. H. and Elizabeth C.   Floral Anatomy of the Santalaceae and Some Related Forms.   Oregon State College, Corvallis, Oregon, 1943, Oregon State Monographs, Studies in Botany, Number 5 : pages 1-93 with 21 plates.   Printed wraps, minor signs of use and age, very good condition.    $26.00

67808. Smith, H. B.   Annual versus Biennial Growth Habit and its Inheritance in Melilotus alba.   The American Botanical Society, 1927, American Journal of Botany, Volume 14 : pages 129-146 with 8 figures.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67809. Smith, L. B. and Ayensu, E. S.   A Revision of American Velloziaceae.   Smithsonian Institute Press, 1976, Smithsonian Contributions to Botany, Number 30 : pages 1-172 with 53 figures and 37 plates.   Printed wraps, very good condition.    $34.00

67810. Soderstrom, T. R.   Taxonomic Study of Subgenus Podosemum and Section Epicampes of Muhlenbergia (Gramineae).   Smithsonian Institute Press, 1967, Contributions from the United States National Herbarium, Volume 34, Number 4 : pages 75-189 with 14 plates.   Printed wraps, very good condition.    $26.00

67811. Soderstrom, T. R. et al.   The Phareae and Streptogyneae (Poaceae) of Sri Lanka: morphological-anatomical study.   Smithsonian Institute Press, 1987, Smithsonian Contributions to Botany, Number 65 : pages 1-55 with 8 figures.   Printed wraps, minor signs of use and age, very good condition.    $13.00

67812. Sokolow, N. N.   Untersuchung von Chromosomenabschnitten, die eine Aberration erlitten haben.   Cytologia, 1937, Cytologia, Internationale Zeitschrift fur Zytologie, Fujii-Jubilaumsband, pages 343-359 with 9 figures.   Printed wraps, very good condition.   in German.   $8.00

67813. Sonck, C. E.   Die Gefasspflanzenflora von Pielisjarvi und Lieksa, Nordkarelien (north of the tree line).   Societas Pro Fauna et Flora Fennica, Helsinki, Findland, 1964, Acta Botanica Fennica, Number 67 : pages 1-310 with 98 maps and 21 plates.   Printed wraps, minor signs of use and age, very good condition.    $42.00

67814. Sorensen, T.   New Species of Hierochlore, Calamagrostis and Braya.   Bianco Lunos Bogtrykkeri A/S, Kobenhavn, 1954, Meddelelser om Gronland, Volume 136, Number 8 : pages 1-22 with 3 plates.   Printed wraps, previous owners name, minor signs of use and age, very good condition.    $11.00

67815. Spoehr, H. A.   Culture of Albino Maize.   Plant Physiology, 1942, Plant Physiology, Volume 17, Number 3 : pages 397-410 with 2 figures and 2 tables.   Reprint, three-hole punched, minor signs of use and age, text in very good condition.    $6.00

67723. St. John, H.   Report of the Provincial Museum of Natural History for the year 1926.   The Provincial Museum of Natural History, Victoria, British Columbia, Canada, 1927, Report of the Provincial Museum of Natural History, pages C1-C41 with 5 plates.   Printed wraps, usual signs of use and age, text in very good condition.    $13.00

67715. St. John, H.   Revision of the Genus Crocidium.   Department of Biology, State College of Washington, Pullman, Washington, 1928, Torreya, Volume 28 : pages 73-77.   Reprint, very good condition.    $3.00

67728. St. John, H.   The Crinite Headed Hieraciums of the Northwest.   The Biological Society of Washington, 1928, Proceedings of the Biological Society of Washington, Volume 41 : pages 107-110.   Reprint, previous owners book stamp, very good condition.    $4.00

67716. St. John, H.   A Revision of the Loco-Weeds of Washington.   The Biological Society of Washington, 1928, Proceedings of the Biological Society of Washington, Volume 41 : pages 97-106.   Reprint, previous owners book stamp, very good condition.    $5.00

67722. St. John, H.   Eriogonum Compositum and its Variations.   State College of Washington, Pullman, Washington, 1929, Research Studies of the State College of Washington, Volume 1 : pages 84-89 with 1 map.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67717. St. John, H.   Notes on Northwestern Ferns.   American Fern Journal, 1929, American Fern Journal, Volume 19, Number 1 : 11-16.   Reprint, previous owners book stamp, very good condition.    $3.00

67721. St. John, H.   New and Noteworthy Northwestern Plants, Part 5.   State College of Washington, Pullman, Washington, 1930, Research Studies of the State College of Washington, Volume 2, Number 3 : pages 110-116 with 1 map.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67720. St. John, H.   Reduction of Olsynium.   Provincial Museum Report, Victoria, British Columbia, Canada , 1931, Provincial Museum Report, C11-C13 with 2 plates.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67719. St. John, H.   Pilea Bisepala St. John, New Species.   Bernice P. Bishop Museum, Honolulu, Hawaii, 1931, Bernice P. Bishop Museum, Bulletin, Number 86 : pages 42-45 with 1 plate and 1 figure.   Reprint, previous owners book stamp, text in very good condition.    $4.00

67725. St. John, H.   New and Noteworthy Northwestern Plants, Part 4.   The Biological Society of Washington, 1931, Proceedings of the Biological Society of Washington, Volume 44 : pages 29-36.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67718. St. John, H.   Notes on Pirtchardia.   Bernice P. Bishop Museum, Honolulu, Hawaii, 1932, Occasional Papers of Bernice P. Bishop Museum, Volume 9, Number 19 : pages 3-4.   Reprint, very good condition.    $2.00

67726. St. John, H.   New and Noteworthy Northwestern Plants, VI.   Department of Biology, State College of Washington, 1936, Madrono, Volume 3 : pages 219-221.   Reprint, very good condition.    $3.00

67714. St. John, H.   The Replicate Species of Phlox of the Pacific Northwest.   Department of Biology, State College of Washington, Pullman, Washington, 1936, Torreya, Volume 36 : pages 94-99.   Reprint, very good condition.    $3.00

67713. St. John, H.   A New Calandrinia from the Galapagos Islands.   The American Botanical Society, 1937, American Journal of Botany, Volume 24, Number 2 : pages 95.   Reprint, minor signs of use and age, text in very good condition.    $2.00

67724. St. John, H.   New and Noteworthy Northwestern Plants, Part 7.   The Biological Society of Washington, 1937, Proceedings of the Biological Society of Washington, Volume 50 : pages 3-6.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67710. St. John, H.   Position Systematique de Pelea Madagascarica (Rutacees) et Revision du Genre Humblotidendron.   Laboratoire de Phanerogamie du Museum National D'Histoire Naturelle, Paris, France, 1937, Notulae Systematicae, Volume 6, Number 3 : pages 126-129.   Printed wraps, very good condition.   in French.   $5.00

67727. St. John, H.   New Combinations in Gleicheniaeae and in Styphelia (Epacridaceae) Pacific Plant Studies 1.   Bernice P. Bishop Museum, Honolulu, Hawaii, 1942, Occasional Papers of Bernice P. Bishop Museum, Volume 17, Number 7 : pages 79-83.   Reprint, very good condition.    $5.00

67712. St. John, H.   Nomenclatorial Changes in Glossopetalon (Celastraceae).   The Biological Society of Washington, 1942, Proceedings of the Biological Society of Washington, Volume 55 : pages 109-112.   Reprint, very good condition.    $4.00

67711. St. John, H.   Type Locality of Polystichum Lemmoni Underwood.   Madrono, 1942, Madrono, Volume 6, Number 7 : pages 223-227.   Reprint, very good condition.    $5.00

67709. St. John, H.   Endemism in the Hawaiian Flora, and a Revision of the Hawaiian Species of Gunnera (Haloragidaceae) Hawaiian Plant Studies 11.   The California Academy of Sciences, 1946, Proceedings of the California Academy of Sciences, fourth series, Volume 25, Number 16 : pages 377-420 with 10 plates.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67729. St. John, H. and Parker, C. S.   A Tetramerous Species, Section, and Subgenus of Carex.   The American Botanical Society, 1925, American Journal of Botany, Volume 12 : pages 63-68 with 1 plate.   Printed wraps, signed by the author, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67731. St. John, H. and Warren, F. A.   Preliminary List of the Plants of the Kaniksu National Forest, Idaho and Washington.   Department of Biology, State College of Washington, 1925, Contributions from the Department of Biology of the State College of Washington, 36 pages.   Typed original manuscript, previous owners book stamp, usual signs of use and age, text in good condition.    $17.00

67828. Standley, P. C.   A Witches Broom of the Desert.   The Plant World, 1909, The Plant World, pages 61-63 with 1 figure.   Text extracted from a larger volume, previous owners book stamp, minor signs of use and age, text in very good condition.    $3.00

67818. Standley, P. C.   The Allioniaceae of Mexico and Central America.   Smithsonian Institution Press, Washington, D. C, 1911, Contributions from the United States National Herbarium,, Volume 13, Part 11 : pages 377-430 with 4 plates.   Printed wraps, uncut text in very good condition.    $26.00

67819. Standley, P. C.   The American Species of Fagonia.   Biological Society of Washington, 1911, Proceedings of the Biological Society of Washington, Volume 24 : pages 243-250.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67829. Standley, P. C.   Wootonella, A New Genus of Carduaceae.   Biological Society of Washington, 1912, Proceedings of the Biological Society of Washington, Volume 25 : 119-120.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67830. Standley, P. C.   Five New Plants from New Mexico.   Biological Society of Washington, 1913, Proceedings of the Biological Society of Washington, Volume 26 : pages 115-120.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67832. Standley, P. C.   A New Dodecatheon from New Mexico.   Biological Society of Washington, 1913, Proceedings of the Biological Society of Washington, Volume 26 : pages 195-196.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67834. Standley, P. C.   Two Additions to the Flora of Louisiana.   Torrey Botanical Club, 1914, Torreya, Volume 14, Number 2 : pages 21-24.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67833. Standley, P. C.   A New Amelanchier from Southeastern California.   Biological Society of Washington, 1914, Proceedings of the Biological Society of Washington, Volume 27 : pages 197-198.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67831. Standley, P. C.   The Genus Choisya.   Biological Society of Washington, 1914, Proceedings of the Biological Society of Washington, Volume 27 : pages 221-224.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67817. Standley, P. C.   Ferns of Brazos Canon, New Mexico.   American Fern Journal, 1914, American Fern Journal, Volume 4, Number 4 : pages 109-114 with 2 plates.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $7.00

67836. Standley, P. C.   New or Notable Speice of Amarnathus.   Torrey Botanical Club, 1914, Bulletin of the Torrey Botanical Club, Volume 41 : pages 505-510.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67835. Standley, P. C.   Two Plants new to the Flora of Louisiana.   Torrey Botanical Club, 1915, Torreya, Volume 15, Number 1 : pages 9-11 with 1 figure.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $3.00

67822. Standley, P. C.   Vegetation of Brazos Cañon, New Mexico.   The Plant World, 1915, The Plant World, Volume 18, Number 7 : pages 179-191 with 3 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67821. Standley, P. C.   Botany. - The North American Tribes and Genera of Amaranthaceae.   Washington Academy of Sciences, 1915, Journal of the Washington Academy of Sciences, Volume 5, Number 11 : pages 391-396.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67823. Standley, P. C.   A New Genus of Chenopodiaceae from Arizona.   Washington Academy of Sciences, 1915, Journal of the Washington Academy of Sciences, Volume 5, Number 2 : pages 57-59.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $4.00

67820. Standley, P. C.   The Application of the Generic Name Achyranthes.   Washington Academy of Sciences, 1915, Journal of the Washington Academy of Sciences, Volume 5, Number 3 : pages 72-76.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67824. Standley, P. C.   Studies of Tropical American Phanerogams, No. 3.   Smithsonian Institution Press, Washington, D. C, 1919, Contributions from the United States National Herbarium,, Volume 20, Part 6 : pages 173-220.   Printed wraps, uncut text in very good condition.    $21.00

67827. Standley, P. C.   Botany. - Fourteen New Species from Hispaniola.   The Washington Academy of Sciences, 1927, Journal of the Washington Academy of Sciences, Volume 17, Number 3 : pages 65-73 with 2 figures.   Reprint, previous owners book stamp, usual signs of use and age, text in good or better condition.    $5.00

67838. Stanier, R. Y.   The Cultivation and Nutrient Requirements of a Chytridiaceous Fungus, Rhizophlyctis Rosea .   Journal of Bacteriology, 1942, Journal of Bacteriology, Volume 43, Number 4 : pages 499-520 with 5 figures.   Reprint, minor signs of use and age, text in very good condition.    $9.00

67839. Stanier, R. Y.   Are there Obligate Cellulose-Decomposing Bacteria?.   Soil Science, 1942, Soil Science, Volume 53, Number 6 : pages 479-480.   Reprint, minor signs of use and age, text in very good condition.    $2.00

67732. State College of Washington.   Research Studies of the State College of Washington.   State College of Washington, Pullman, Washington, 1929, Research Studies of the State College of Washington, Volume 1, Number 1 : pages 1-64 with illustration.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $17.00

67733. State College of Washington.   Research Studies of the State College of Washington.   State College of Washington, Pullman, Washington, 1929, Research Studies of the State College of Washington, Volume 1, Number 2 : pages 67-112 with illustration.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $17.00

67849. State College of Washington.   Research Studies of the State College of Washington containing articles on The Japanese Exclusion Bill of 1924, Genetic Characters in Relation to Chomosome Numbers in a Wheat Species Cross and Morphological Study of Bulb and Flowers fo Camassia Quamash (P.   State College of Washington, Pullman, Washington, 1930, Research Studies of the State College of Washington, Volume 2, Number 2 : pages 65-89 with 3 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $22.00

67840. Stebbins, G. L. et al.   Cytogenetics of Hybrids in Bromus II. Bromus Carinatus and Bromus Arizonicus.   California Academy of Sciences, 1944, Proceedings of the California Academy of Sciences, 4th series, Volume 25, Number 13 : pages 307-321 with 13 figures.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $6.00

67842. Steindorsson, S.   Vegetation Researches in Djorsardalur South Iceland During the Summer 1930.   Societas Scientiarum Islandica, Reykjavik, 1930, Visindafelag Islendinga, Number 7 : pages 1-15.   Printed wraps, previous owners name, minor signs of use and age, text in very good condition.    $8.00

67841. Steindorsson, S.   Contributions to the Plantgeography and Flora of Iceland.   Societas Scientiarum Islandica, Reykjavik, 1935, Visindafelag Islendinga, 11 pages.   Printed wraps, previous owners name, some minor margin notes, good or better condition.    $8.00

67847. Sterzel, J. T.   Uben den grossen Psaronius in der naturwissenschaftlichen Sammlung der Stadt Chemnitz.   Naturwissenschaftlichen Gesellschaft zu Chmnitz, 1887, Naturwissenschaftlichen Gesellschaft zu Chmnitz, 16 pages and 2 plates.   Wraps, previous owners name, minor signs of use and age, text in very good condition.   in German.   $15.00

67846. Sterzel, J. T.   Chemnitz. Sprach uber die fossile Flora des Rothliegenden im Plauenschen Grunde.   Zeitschrift der Deutschen geologischen, 1896, Gessellschaft, Volume 43, Number 3 : pages 778-787.   Reprint, previous owners name, usual signs of use and age, text in very good condition.   exact date of publication uncertain.   $6.00

67845. Sterzel, J. T.   Weiterre Beitrage zur Revision der Rothliegendflora der Gegend von Ilfeld am Harz.   E. Schweizerbart'sche Verlagshandlung (E. Nagele), Stuttgart, Germany, 1901, Centralblatt fur mineralogie, geologie und palaeontologie, Number 19 : pages 591-598.   Reprint, previous owners name, usual signs of use and age, text in good or better condition.   in German.   $4.00

67844. Sterzel, J. T.   Die Flora des Rothliegenden von Ilfeld am Harz.   E. Schweizerbart'sche Verlagshandlung (E. Nagele), Stuttgart, Germany, 1901, Centralblatt fur mineralogie, geologie und palaeontologie, pages 417-427.   Printed wraps present but detached, previous owners name, other minor signs of use and age, text in very good condition.   in German.   $9.00

67850. Steyermark, J. A. e tal.   Contributions to The Flora of Venezuela from Ericaceae through Compositae.   Chicago Natural History Museum, 1953, Fieldiana: Botany, Volume 28, Number 3 : pages 511-522.   Printed wraps, minor signs of use and age, text in very good condition.    $11.00

67851. Stino, K. R.   Inheritance in Nicotiana Tabacum ? XV, Carmine-White Variegation.   Journal of Heredity, 1940, Journal of Heredity, Volume 31, Number 1 : pages 19-24 with 3 figures.   Printed wraps, minor signs of use and age, text in very good condition.    $8.00

67852. Stout, A. B.   Types of Sterility in Plants and Their Significance in Horticulture.   New York Botanical Garden, 1927, Memoirs of the Horticultural Society of New York, Volume 3 : pages 3-8.   Printed wraps, minor signs of use and age, text in very good condition.    $6.00

67853. Stout, A. B.   Dichogamy in Flowering Plants.   Torrey Botanical Club, 1928, Bulletin of the Torrey Botanical Club, Volume 55 : pages 141-153.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $11.00

67854. Strain, H.   Molecular Structure and Adsorption Sequences of Carotenoid Pigments.   The American Chemical Society, 1948, Journal of the American Chemical Society, Volume 70 : pages 588-591.   Reprint, minor signs of use and age, text in very good condition.    $2.00

67858. Straw, R. M.   Hybridization, Homogamy, and Sympatric Speciation.   Evolution, 1955, Evolution, Volume 9, Number 4 : pages 441-444.   Reprint, signed by the author, usual signs of use and age, text in very good condition.    $4.00

67857. Straw, R. M.   Floral Isolation in Penstemon.   The American Society of Naturalists, 1956, The American Naturalist, Volume 90, Number 850 : pages 47-53.   Reprint, signed by the author, usual signs of use and age, text in very good condition.    $6.00

67861. Struckmeyer, B. E.   Histological Aspects of the Changes from a Vegetative to a Flowering State.   The American Society of Naturalists, 1950, The American Naturalist, Volume 34 : pages 135-150 with 37 figures.   Reprint, minor signs of use and age, text in very good condition.    $5.00

67862. Stuckert, T.   Distribucion Geografica de la Flora Argentina. Generos de la Familia de las Compuestas.   Museo Nacional de Buenos Aires, Argentina, 1906, Anales del Museo Nacional de Buenos Aires, Series 3, Volume 13, Number 6 : pages 302-309.   Printed wraps with edge wear, previous owners name, usual signs of use and age, text in good or better condition.    $8.00

67863. Stuckert, T.   Beitrage zur Kenntniss der Flora Argentiniens in Verbindung mit Fachgelehrten und nach Durchsicht der in verschiedenen botanischen Museen, sowie in Herbar Stuckert sich befindenden Belege, unter Benutzung der einschlagigen literatur. II Quatrieme Contrib.   Imprimerie Reggiani & Renaud, Rue Necker, Geneve, 1914, l?Annuaire du Conservatoire et du Jardin botaniques de Geneve, Volume 17 : pages 278-309.   Printed wraps present but detached, previous owners name, usual signs of use and age, text in very good condition.    $14.00

67865. Studhalter, R. A. and Cox, M. E.   Gemma of Riella Americana.   The Bryologist, 1940, The Bryologist, Volume 43 : pages 141-157 with 28 figures.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67864. Studhalter, R. A. and Cox, M. E.   Lateral Leaf Scale of Riella Americana.   The Bryologist, 1941, The Bryologist, Volume 44 : pages 19-27 with 17 figures.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67874. Sumner, F. B.   The Value to Mankind of Humanely Conducted Experiments Upon Living Animals.   Scripps Institution for Biological Research of the University of California, 1918, Bulletin of the Scripps Institution for Biological Research of the University of California, Number 6 : pages 1-27.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $13.00

67871. Suzuka, O.   Mixoploidy in root tip cell of Chenopodium virgatum L..   Kihara Institute for Biological Research, Japan, 1952, Seiken Ziho, Report of the Kihara Institute for Biological Research, Number 5 : pages 65-77 with 3 figures.   Printed wraps, usual signs of use and age, text in very good condition.    $11.00

67869. Suzuka, O.   Chromosome numbers in Artemisia.   Kihara Institute for Biological Research, Japan, 1952, Seiken Ziho, Report of the Kihara Institute for Biological Research, Number 5 : pages 68-77.   Printed wraps, signed by the author, minor signs of use and age, text in very good condition.   in Japanese with English summary.   $9.00

67873. Suzuka, O.   Botanical observations in Pakistan and Afghanistan.   Kihara Institute for Biological Research, Japan, 1953, Seiken Ziho, Report of the Kihara Institute for Biological Research, Number 5 : pages 72-77 with 16 figures.   Printed wraps, minor signs of use and age, text in very good condition.    $8.00

67868. Suzuka, O. and Foriba, S.   Chromosome numbers of Medical Plants - 1.   The Japanese Journal of Pharmacognosy, 1949, The Japanese Journal of Pharmacognosy, Volume 3, Numbers 3-4 : pages 68-74 with 54 figures.   Reprint, usual signs of use and age, text in good condition.    $6.00

67867. Suzuka, O. and Foriba, S.   Chromosome Numbers of Medical Plants.   The Japanese Journal of Pharmacognosy, 1951, The Japanese Journal of Pharmacognosy, Volumes 4-5 : pages 18-23 with 33 figures.   Reprint, minor signs of use and age, text in very good condition.    $5.00

67787. Tahara, M. and Shimotomai, N.   Bastardierung als eine Ursache fur die Entstehung der Chromosomenpolyploidie. I. Bastard zwischen Chrysanthemum marginatum und C. lavandulaefolium).   Hiroshima University, Hiroshima, Japan, 1931, Journal of Science of the Hiroshima University, Series B, Division 2, pages 293-304.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.   actual date of publication uncertain.   $5.00

67875. Takahashi, M.   Studies on the System of Plant-ecology based on Field Investigations made in Northern East-Asia.   Imperial University of Tokyo, Japan, 1944, Journal of the Faculty of Science, Imperial University of Tokyo, Section III, Botany, Volume 5, Part 5 : pages 427-649 with 81 figures.   Printed wraps a little chipped at spine ends, usual signs of use and age, text in good plus or better condition.   in English.   $42.00

67876. Takamatsu, M.   Studien über die Mykorrhiza-Flanzen in Sofataret-Gebiete aud dem Berg Hakkôda.   The Tohôku Imperial University, Sendai, Japan., 1930, Science Reports of the Tohôku Imperial University, 4th series, Biology, Volume 5, Number 3 : pages 607-614.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

67880. Tammes, M. T.   Mutation und Evolution.   Zeitschrift fur inductive Abstammungs- und Vererbungslehre, 1925, Zeitschrift fur inductive Abstammungs- und Vererbungslehre, Volume 36 : pages 418-426.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.   in German.   $8.00

67887. Tanaka, R.   On the Speciation and Karyotypes in Diploid and Tetraploid Species of Chrysanthemum I. Karyotypes in Chrysanthemum boreale (2n=18).   Hiroshima University, Hiroshima, Japan, 1959, Journal of Science of the Hiroshima University Series B, Division 2 (Botany), Volume 19 : pages 1-16 with 21 figures and 2 plates.   Printed wraps, signed by the author, very good condition.   in English.   $8.00

67883. Tanaka, R.   On the Speciation and Karyotypes in Diploid and Tetraploid Species of Chrysanthemum II. Karyotypes in Chrysanthemum Makinoi (2n-18).   Hiroshima University, Hiroshima, Japan, 1959, Journal of Science of the Hiroshima University Series B, Division 2 (Botany), Volume 9 : pages 17-30 with 12 figures and 1 plate.   Printed wraps, signed by the author, very good condition.   in English.   $8.00

67884. Tanaka, R.   On the Speciation and Karyotypes in Diploid and Tetraploid Species of Chrysanthemum III. Meiosis in the F1-Hybrids of Chrysanthemum borealexCh. Makinoi.   Hiroshima University, Hiroshima, Japan, 1959, Journal of Science of the Hiroshima University Series B, Division 2 (Botany), Volume 9 : pages 31-40 with 9 figures and 1 plate.   Printed wraps, signed by the author, very good condition.   in English.   $8.00

67885. Tanaka, R.   On the Speciation and Karyotypes in Diploid and Tetraploid Species of Chrysanthemum IV. Chrysanthemum wakasaense (2n=36).   Hiroshima University, Hiroshima, Japan, 1959, Journal of Science of the Hiroshima University Series B, Division 2 (Botany), Volume 9 : pages 41-58 with 17 figures and 1 plate.   Printed wraps, signed by the author, very good condition.   in English.   $8.00

67888. Tansley, A. G.   The New Phytologist, A British Botanical Journal with Article son Evolution of the Filicineana Vascular System, Fertilization, Natural Hybrids, Oogenesisi and Embryogeny, Spore-Bearing Organs, Tissue fo tMangrove Seedlings, and Serophily and the Deciduou.   University College, W. C., London, 1907, The New Phytologist, Volume 6, Number 6 & 7 : pages 134-182 with 23 figures and 2 plates.   Printed wraps chipped, previous owners book stamp, usual signs of use and age, text in very good condition.    $13.00

67890. Taylor, W. P.   Damage to Range Grasses by the Zuni Prairie Dog.   United States Department of Agriculture, Washington, D. C, 1924, United States Department of Agriculture, Department Bulletin, Number 1227 : pages 1-15 with 6 plates.   Reprint, previous owners book stamp, minor signs of use and age, very good condition.    $8.00

67891. Taylor, W. P.   The Basic Importance of Life History Studies.   American Society of Mammalogists, 1924, Journal of Mammalogy, Volume 5, Number 1 : pages 44-48.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $3.00

67893. Taylor, W. P.   Cooperation Among Scientific Men.   The Scientific Monthly, 1925, The Scientific Monthly, Volume 20 : pages 345-357.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $6.00

67892. Taylor, W. P.   Biological Stations for the Study of Plants and Animals Together.   The Scientific Monthly, 1925, The Scientific Monthly, Volume 21 : pages 390-393.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67894. Taylor, W. P. and McGinnies, W. G.   The Bio-Ecology of Forest and Range.   The Scientific Monthly, 1928, The Scientific Monthly, Volume 27 : pages 177-182.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $3.00

67900. Tedin, H.   Eine Mutmassliche Verlustmutaion Bei Pisum.   Festskrift for W. Johannsen, 1923, Hereditas, Volume 4 : pages 33-43 with 1 photo illustration.   Reprint, minor signs of use and age, text in very good condition.    $5.00

67897. Tedin, H. and Tedin, O.   Contributions to the Genetics of Pisum. III: Internode Length, Stem Thickness and Place of the First Flower.   Festskrift for W. Johannsen, 1923, Hereditas, Volume 4 : pages 351-362.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67898. Tedin, H. and Tedin, O.   Contributions to the Genetics of Pisum. IV: Leaf Axil Colour and Grey Spotting on the Leaves.   Festskrift for W. Johannsen, 1926, Hereditas, Volume 7 : pages 102-108 with 2 figures and 3 tables.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67895. Tedin, H. and Tedin, O.   Contributions to the Genetics of Barley, I: Type of Spike, Nakedness and Height of Plant.   Festskrift for W. Johannsen, 1926, Hereditas, Volume 7 : pages 151-160.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $5.00

67896. Tedin, H. and Tedin, O.   Contributions to the Genetics of Barley, II: The Development of the Kernel Basis and its Relation to Density.   Festskrift for W. Johannsen, 1927, Hereditas, Volume 9 : pages 303-312.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $5.00

67899. Tedin, H. and Tedin, O.   Contributions to the Genetics of Pisum. V: Seed Coat Color, Linkage and Free Combination.   Festskrift for W. Johannsen, 1928, Hereditas, Volume 11 : pages 1-62 with 1 color plate.   Printed wraps, complements of the author, minor signs of use and age, text in very good condition.    $13.00

67901. Tedin, O.   Vererbung, Variation und Systematik in der Gattung Camelina.   Lund, Berlingska Boktryckeriet, 1925, Akademische Abhandlung zur Erlangung der Doctorwurde met Genehmigung der Philosophischen Fakultat in, pages 276-386 with illustrations.   Printed wraps, previous owners notes on front wrap, usual signs of use and age, text in very good condition.    $24.00

67902. Templeton, B.