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Botanical abstracts

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,:i;.iliisHiill!![>""•ssmWMiiiiiiBotanicalAbstractsabstractsmonthly serial furnishing and citations of publications in the internationalAfield of botany in its broadest sense.VOLUME VIIFEBRUARY, 1921-APRIL, 1921PUBLISHED MONTHLY UNDER THE DIRECTION OFTHE BOARD OF CONTROL OF BOTANICAL ABSTRACTS, INC.democratically constituted organization,A with members representing many societiesininterested plants.BALTIMORE, U. S. A.WILLIAMS & WILKINS COMPANY1921)(6nsLtCopyright, 1921Williams & Wilkins CompanyBaltimore, U. S. A.THE SOCIETIES NOW REPRESENTEDANDTHE MEMBERS OF THE BOARD OF CONTROLMembers the Executive Committee for 1921 are indicated by asterisks){Tht ofAdvancement Paleontological Society America.American Association for tlie ofof Science, Section G. Arthur Hollick, 61 Wall Street, NewColumbia University, Brighton, York.R. A. Harper, NewE. W. Berry, Johns Hopkins University,New York City.Jolins Hopkins Uni- Baltimore, Maryland.B. E. Livingston,Baltimore, Maryland.versity,American Society of Agronomy.Society of America, GeneralBotanicalC. B. Hutchinson, Cornell University,Section.Ithaca, New York.Gleason, New York BotanicalH. A. C. A. Mooers, University of Tennessee,Garden, New York City.Knoxville, Tennessee.*B. M. Davis, University of Michigan,Ann Arbor, Michigan. Society for Horticultural Science.Physiologi- Gardner, University of Missouri,Botanical Society of America, V. R.cal Section. Columbia, Missouri. of Wisconsin,E. J ...
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,:i;. iliis Hi ill !![>""• ssm WM iiiiii BotanicalAbstracts abstractsmonthly serial furnishing and citations of publications in the internationalA field of botany in its broadest sense. VOLUME VII FEBRUARY, 1921-APRIL, 1921 PUBLISHED MONTHLY UNDER THE DIRECTION OF THE BOARD OF CONTROL OF BOTANICAL ABSTRACTS, INC. democratically constituted organization,A with members representing many societies ininterested plants. BALTIMORE, U. S. A. WILLIAMS & WILKINS COMPANY 1921 )(6 nsLt Copyright, 1921 Williams & Wilkins Company Baltimore, U. S. A. THE SOCIETIES NOW REPRESENTED AND THE MEMBERS OF THE BOARD OF CONTROL Members the Executive Committee for 1921 are indicated by asterisks){Tht of Advancement Paleontological Society America.American Association for tlie of of Science, Section G. Arthur Hollick, 61 Wall Street, New Columbia University, Brighton, York.R. A. Harper, New E. W. Berry, Johns Hopkins University,New York City. Jolins Hopkins Uni- Baltimore, Maryland.B. E. Livingston, Baltimore, Maryland.versity, American Society of Agronomy. Society of America, GeneralBotanical C. B. Hutchinson, Cornell University, Section. Ithaca, New York. Gleason, New York BotanicalH. A. C. A. Mooers, University of Tennessee, Garden, New York City. Knoxville, Tennessee. *B. M. Davis, University of Michigan, Ann Arbor, Michigan. Society for Horticultural Science. Physiologi- Gardner, University of Missouri,Botanical Society of America, V. R. cal Section. Columbia, Missouri. of Wisconsin,E. J. Kraus,University,Otis F. Curtis, Cornell Madison, W^isconsin.Ithaca, New York. the Board),*B. M. Duggar (Chairman of American Phytopathological Society. Louis,Missouri Botanical Garden, St. L. R. Jones, University of Wisconsin, Missouri. Madison, W^isconsin. of America, SystematicBotanical Society *DoNALD Reddick, Cornell University, Section. Ithaca, New York. Marshall A. Howe, New York Botani- Society of American Foresters.cal Garden, New York City. H. Barnhart, New York Botanical Forest Service, Wash-J. Raphael Zon, U. S. Garden, New York City. ington, D. C. Pennsylvania DepartmentJ. S. Illick,Botanical Society of America, Mycological Harrisburg, Pennsylvania.of Forestry,Section. C. H. Kauffman, University of Michi- Conference of PharmaceuticalAmerican gan, Ann Arbor, Michigan. Faculties. Bruce Fink, Miami University, Oxford, Col-W. Youngken, PhiladelphiaHeber Ohio. lege of Pharmacy and Science, Phila- American Society of Naturalists. delphia, Pennsylvania. Michigan, Henry Kraemer.H. H. Bartlett, University of Ann Arbor, Michigan. Agricultur-Canadian Society of Technical Experimental*J. A. Harris, Station for ists. Harbor, L. I.,Evolution, Cold Spring of Sas-W. P. Thompson, UniversityNew York. Saskatchewan.katchewan, Saskatoon, of America.Ecological Society College,B. T. Dickson, Macdonald L. Shantz, Bureau of PlantH. U. S. Macdonald College, Quebec. Washington, D. C.Industry, Canada.Royal Society of*Forrest Shreve, Desert Laboratory, Carnegie Institution, Tucson, Arizona. No elections. At large. Washington, D. COrton, U. S. Bureau of Plant Industry,W. A. 111 ——— —— BOARD OF EDITORS AND ASSISTANT EDITORS FOR VOLUME VII Editor-in-Chief, Burton E. Livingston The Johns Hopkins University, Baltimore Associate, Lon A. Hawkins U. S. Bureau of Plant Industry, Washington, D. C. EDITORS FOR SECTIONS Agronomy. C. V. Piper, BureauU. S. of Morphology and Taxonomy of Algae. E. N Plant Industry, Washington, D. C. Transeau, Ohio State University, Assistant Editor, Mart R. Burr, U. S. Columbus, Ohio. Bureau of Plant Industry, Washington, Morphology andD. C. Taxonomy of Bryophytes. Alexander W. Evans,Bibliography, Biography, and History. Yale University, New Haven, Connecticut.Neil E. Stevens, U. S. Bureau of Plant Industry, Washington, D. C. Morphology and Taxonomy of Fungi, Botanical Education. C. Stuart Gager, Lichens, Bacteria, and Myxomycetes. Brooklyn Botanic Garden, Brooklyn, H. M. FiTZPATRicK, Cornell University,New York.—Assistant Editor, Alfred Ithaca, New York.—Assistant Editor,GuNDERSEN, Brooklyn Botanic Garden, Carlos E. Chardon, Cornell Brooklyn, New York. Ithaca, New York. Cytology. Gilbert M. Smith, University of Wisconsin, Madison, Wisconsin. Paleobotany and Evolutionary History. Assistant Editor, Geo. S. Bryan, Uni- Edward W. Berry, The Johns Hopkins versity ofWisconsin, Madison, University, Baltimore, Maryland. Ecology and Plant Geography. H. C. CowLES, The University Pathology. G. H.of Chicago, Coons, Michigan Agri- Chicago, Illinois. cultural College,—Assistant Editor, Geo. East Lansing, Michi- D. Fuller, The gan.—Assistant of Editor, C. W. Bennett, Illinois. Michigan Agricultural College, East Forest Botany and Forestry. Raphael Lansing, Michigan. ZoN, Forest Service, Washington,U. S. PharmaceuticalBotanyandPharmacognosy.D. C.—Assistant Editor, J. V. Hofmann, Heber W. Youngken, PhiladelphiaU. S. Forest Service, Wind River Experi- College of Pharmacy and Science, Phila-ment Station, Stabler, Washington. delphia, Pennsylvania.—Assistant Edi-Genetics. George H. Shull, Princeton tor, E. N. Gathercoal, 701 South WoodUniversity, Princeton, New Jersey. Street, Chicago, Illinois.Assistant Editor, J. P. Kelly, Pennsyl- vania State College, State College, Penn- Physiology. B. M. Dugqar, Missouri sylvania. Botanical Garden, Louis, Missouri.St. Horticulture. J. H. Gourley,West Virginia Assistant Editor, Carroll W. Dodge, University, Morgantown, Virgmia. Brown University, Providence, Rhode—Assistant Editor, H. E. Knowlton, Island. West Virginia University, Morgantown, Virginia. Soil Science. J. J. Skinner, U. S. Bureau Miscellaneous, Unclassified Publications. of Plant Industry, Washington, D. C. Burton E. Livingston, The Johns Assistant Editorj F. M. Schertz, U. S. Hopkins University, Baltimore, Mary- Bureau of Plant Industry, Washington, land.—Assistant Editor, Sam F. Tre- D. C. LEASE, The Johns Hopkins University, Baltimore, Taxonomy of Vascular Plants. J. M.Maryland. Greenman, Missouri Botanical Garden,Morphology, Anatomy, and Histology of Vascular Plants. St. Louis, Missouri.—Assistant Editor,E. W. Sinnott, Con- necticut Agricultural E. B. Payson, Missouri Botanical Gar-College, Storrs, Connecticut. den, St. Louis, Missouri. COMMITTEE FOR 1921BIBLIOGRAPHY J. R. Schramm, Chairman, Cornell University, Ithaca, New York H. O. BucKMAN R. Hosmer W. H. Chandler L. Knudson A. J. Eames E. G. Montgomery R. A. Emerson D. Reddick Fitzpatrick L. W. SharpH. M. K. M.Wiegand R. S. Harris, Secretary iv : : CONTENTS The Societies Represented and the Members of the Board of Control Page iii of Editors and Assistant EditorsThe Board for Volume VII Page iv Sections: Agronomy Entries 1-63, 566-684, 1528-1588 Bibliography, Biography, and History 64-76, 685-710, 158&-1606 Botanical Education Entries 77-99, 1607-1610711-718, Cytology Entries 719-739, 1611-1617 Forestry and Forest Botany Entries 100-156, 740-838, 1618-1667 Genetics 157-249, 839-943, 1668-1854 Horticulture: Fruits and General Horticulture Entries 250-291, 944-1009, 1885-1945 Floriculture and Ornamental Horticulture Entries 292-311, 1010-1025, 1855-1884 Vegetable Culture 312-313, 1026-1035, 1946-1953 Horticultural Products Entries 314-315, 1036-1047, 1954-1956 Morphology, Anatomy, and Histology of Vascular Plants Entries 31&-337, 1048-1077, 1957-1967 Morphology and Taxonomy of Bryophytes Entries 338-354, 1078-1096, 1968-1977 Morphology Taxonomy of Fungi,and Lichens, Bacteria, and Myxomycetes: Fungi Entries 355-370, 1978-1991 Lichens 371-372, 1992-1995 Bacteria 1996-2001Entries 373-377, Myxomycetes 2002-2004Entries Paleobotany and Evolutionary History 2005-2016Entries 378-395, 1097-1124, Pathology Plant Disease Survey (Reports of Disease Occurrence and Severity) Entries 1125- 1138, 2017-2020 The Pathogene (Biology, Infection Phenomena, Dispersal) Entries 1139-1149, 2021-2028 The Host (Resistance, Susceptibility, Morbid Anatomy, and Physiology) Entries 1150-1167, 2029-2031 Descriptive Plant Pathology Entries 1168-1213, 2032-2049 Eradication and Control 1214-1255, 2050-2061 Regulatory Measures Entries 1256-1259 Miscellaneous (Methods, Cognate Researches, etc.). .Entries 1260-1275, 2062-2074 Pharmaceutical Botany and Pharmacognosy Entries 1276-1289, 2075-2111 Physiology General Entries 396-400, 2112 Protoplasm, Motility 2113-2114Entries 1290-1291, Diffusion, Permeability, Adsorption 1292-1296, 2115-2117 Water Relations Entries 2118-21191297-1298, Mineral Nutrients Entries 401-406, 2120-21261299, Photosynthesis Entries 1300-1301, 2127-2131 Metabolism (General) Entries 407-419, 1302-1328, 2132-2141 (Nitrogen Relations) Entries 1329-1336, 2142-2145 (Enzymes, Fermentation) Entries 420-421, 1337-1351, 214&-2153 Metabolism (Respiration) Entries 1352-1354 Organism 2154-2156as a Whole Entries 422-426, 1355-1358, Growth, Development, 2157-2162Reproduction 427-430, 1359-1363, Movements of Growth 2163-2166and Turgor Changes Entries 431, 1364-1366, Germination, Renewal of Activity Entries 432-433, 1367-1368 V VI CONTENTS Entries 434-435, 1369-1370, 2167Temperature Relations Entries 436-437, 1371-1373, 2168-2171Radiant Energy 438-440, 1374-1378, 2172-2174Toxic Agents Entries 441-442, 1379Physiology of Disease 2175-2176Entries 443-446, 1380-1385,Miscellaneous Soil Science: Entries 1386-1397, 2177-2180General 447-450, 1398-1401Soil Acidity Entries 451-456, 1402-1407, 2181-2184Influence of Biological Agents Entries 457-467, 2185-2189Fertility Studies Entries 1408-1413Fertilization 1414-1420Fertilizer Resources 468-472EntriesMoisture Relations 473^76Peat Entries 477-480Miscellaneous Plants:Taxonomy of Vascular Entries 481-496General Entries 503-551, 1421-1498, 2190-2259Spermatophytes Entries 497-502Pteridophytes Entries 552-565, 1499-1527, 2260-2271Unclassified PublicationsMiscellaneous, VII Pa^e 335Authors' Names appearing in VolumeIndex to ERRATA Volume VII Gerome read Gerome.Entry 29. For For Morris, C. read Morris, Daniel. 72. J. Brierly, W. G. read Brierley, W. G.Entry 169. For For Gunliffe read Cunliffe.Entry 263. B.For Brierly, W. B. read Brierley, W. 357. William B.For William B. read Brierley,Entry 358. Philipp.783. For Flury, Philip read Flury, 783. For Gebierte read Gebiete.Entry 784. For read Entry 785. For Bikar read Bihar. read Correa Mendes, F, C.Entry 1564. For Mendes, F. C. Correa Schantz read Shantz.Cover page, Vol. 7, No. 2. For