CONTENTS 



Agronomy 1583-1625 



Bibliography, Biography and History 1626-1809 



Botanical Education 1810-1825 



Cytology 1826-1837 



Ecology and Plant Geography p. 259 



Forest Botany and Forestry 1838-1888 



Genetics 1889-1952 



Horticulture 1953-20)1 



Morphology, Anatomy and Histology of Vascular Plants - 2i;02-2ni5 



Morphology and Taxonomy of Algae 2016-2023 



Morphology and Taxonomy of Bryophytes 2024-2043 



Morphology and Taxonomy of Fungi, Lichens, Bacteria and Myxomycetes 2 "44^2085 



Paleobotany and Evolutionary History 2086-2093 



Pathology 2094-2132 



Pharmaceutical Botany and Pharmacognosy. 2133-2141 



Physiology , 2142-2201 



Soil Science 2202-2224 



Taxonomy of Vascular Plants 2225-2253 



Miscellaneous, Unclassified Publications 2254-2267 



BOARD OF EDITORS FOR 1921 

 AND ASSISTANT EDITORS 



Editor-in-Chief, J. R. SCHRAMM ' 

 Cornell University, Ithaca, New York 



EDITORS FOR SECTIONS 



Agronomy. C. V. Piper, U. S. Bureau of Plant Indus- 

 try, Washington, D. C. — Assistant Editor, Mart R. 

 Burr, U. S. Bureau of Plant Industry, Washington, 

 D.C. 



Bibliography, Biography and History. NeilE. Stevens, 

 U. S. Bureau of Plant Industry, Washington, D. C 



Botanical Education. C. Stuart Gager, Brooklyn 

 Botanic Garden, Brooklyn, New York. — Assistant 

 Editor, Alfred Gundersbn, Brooklyn Botanic 

 Garden, Brooklyn, New York. 



Cytology. Gilbert M. Smith, University of Wisconsin, 

 Madison, Wisconsin. — Assistant Editor, Geo. S. 

 Bryan, University of Wisconsin, Madison, Wisconsin. 



Ecology and Plant Geography. H. C. Cowles, The 

 University of Chicago, Chicago, Illinois. — Assistant 

 Editor, Geo. D. Fuller, The University of Chicago, 

 Chicago, Illinois. 



Forest Botany and Forestry. Raphael Zon, U.S. Forest 

 Service, Washington, D. C. — Assistant Editor, J. V. 

 HoFMANN, U. S. Forest Service, Wind River Ex- 

 periment Station, Stabler, Washington. 



Genetics. George H. Shull, Princeton University, 

 Princeton, New Jersey. — Assistant Editor, J. P. 

 Kelly, Pennsylvania State College, State College, 

 Pennsylvania. 



Horticulture J. H. Gourley, Ohio Agricultural Ex- 

 periment Station, Wooster, Ohio. — Assistant Editor, 

 H.E. Knowlton. West Virginia University, Morgan- 

 town, West Virginia. 



Miscellaneous, Unclassified Publications. Burton E. 

 LiviNG.STON, The Johns Hopkins University, Balti- 

 more, Maryland. — Assistant Editor, Sam F. Tre- 

 lease, The Johns Hopkins University, Baltimore, 

 Maryland. 



Morphology, Anatomy and Histology of Vascular Plants. 

 E. W Stnnott, Connecticut Agricultural College, 

 Storm, Connecticut. 



Morphology and Taxonomy of Algae. E. N.Transeau, 

 Ohio State University, Columbus. Ohio. 



Morphology and Taxonomy of Bryophytes. Alexandbb 

 W Evans, Yale University. New Haven. Connecticut. 



Morphology and Taxonomy of Fungi, Lichens, Bacteria 

 and Myxomycetes. H. M. Fitzpatrick, Cornell 

 University, Ithaca. New York 



Paleobotany and Evolutionary History. Edward W. 

 Berry, The Johns Hopkins University, Baltimore, 

 Maryland. 



Pathology. G. H. Cqons, Michigan Agricultural Col- 

 lege, Ea-st Lansing, Michigan. — Assistant Editor, C. W. 

 Bennett, Michigan Agricultural College, East Lans- 

 ing, Michigan 



Pharmaceutical Botany and Pharmacognosy. Hebeh W. 

 YouNGKEN, Philadelphia College of Pharmacy and 

 Science, Philadelphia,Pennsylvania.— Assistant Editor, 

 E. N. Gathercoal, 701 South Wood St., Chicago, 

 Illinois. 



Physiology. B. M . Duqgar, Missouri Botanical Garden, 

 St. Louis, Missouri. — Assistant Editor, Carroll W. 

 DoDQE, Harvard University, Cambridge, Massachu- 

 setts. 



Soil Science. J. J. Skinner, U. S. Bureau of Plant 

 Industry, Washington, D. C. — Assistant Editor, 

 F M . ScHERTZ, U. S. Bureau of Plant Industry, Wash- 

 ington, D. C. 



Taxonomy of Vascular Plants. J. M. Greenman, Mis- 

 souri Botanical Garden, St. Louis, Missouri. — 

 Assistant Editor, E B. Payson, University of 

 Wyoming, Laramie, Wyoming. 



BIBLIOGRAPHY COMMITTEE FOR 1921 



J. R. Schramm, Chairman, Cornell University, Ithaca, New York 



H. O. BUCKMAN 



W. H. Chandler 

 A.J. Eames 

 R. A. Emerson 

 H. M. Fitzpatrick 



L Knudson 

 D Reddick 

 L. W Sharp 

 K M Wteqand 



R. S. HAHIfts, Secretary 



