CONTENTS 



Agronomy 383-411 



Bibliography, Biography and History 412-429 



Botanical Education 430-443 



Cytology 444-459 



Ecology and Plant Geography 460-503 



Forest Botany and Forestry 504-509 



Genetics 510-550 



Horticulture 551-576 



Morphology, Anatomy and Histology of Vascular Plants 577-582 



Morphology and Taxonomy of Algae 583-600 



Morphology and Taxonomy of Bryophytes 601-615 



Morphology and Taxonomy of Fungi, Lichens, Bacteria and Myxomycetes 616-631 



Paleobotany and Evolutionary History 632-656 



Pathology 657-719 



Pharmaceutical Botany and Pharmacognosy 720-732 



Physiology 733-789 



Soil Science 790-800 



Taxonomy of Vascular Plants 801-848 



Miscellaneous, Unclassified Publications 849-858 



BOARD OF EDITORS FOR 1921 

 AND ASSISTANT EDITORS 



Editor-in-Chief, J. R. ScHEAMM 



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. 



Bibliographv, Biography and History. Neil E. Stevens, 

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



Botanical Education. C. Stuart Gager, Brooklyn 

 Botanic Garden, Brooklyn, New York. — Assistant 

 Editor, Alfred Gtjndersen, 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. 8. Forest Service, Wind River Ex- 

 periment Station, Stabler, Washington. 



Genetics. GeorqeH. Shull, Princeton University, 

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

 Kelly, Pennsylvania State College, State College, 

 Pennsylvania. 



Horticulture J. H. Gourlet, Ohio Agricultural Ex- 

 periment Station, Wooster, Ohio.— Assistant Editor, 

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

 town, West Virginia. 



Miscellaneous, Unclassified Publications. Burton E. 

 Livingston, The Johns Hopkins University, Balti- 

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

 lease. The Johns Hopkins University, Baltimore, 

 Maryland. 



Morphology, Anatomy and Histology of Vascular Plants 

 E. W. Sinnott, Connecticut Agricultural College 

 Storrs, Connecticut. 



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

 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. Fitepatrick, Cornell 

 University, Ithaca, New York. 



Paleobotany and Evolutionary History. Edward W. 

 Berrt, The Johns Hopkins University, Baltimore, 

 Maryland. 



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

 lege, East Lansing, Michigan. — Assistant Editor, C. W. 

 Bennett, Michigan Agricultural College, East Lans- 

 ing, Michigan. 



Pharmaceutical Botany and Pharmacognosy. Hebeb W. 

 Youngken, Philadelphia College of Pharmacy and 

 Science,Philadelphia,Penn3j-lvania.— Assistant Editor, 



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

 Illinois 



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

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

 Dodge, 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. Grebnman, Mis- 

 souri Botanical Garden, St. Louis, Missouri. — 

 Assistant Editor, E. B. _ Patson, University of 

 Wyoming, Laramie, Wyoming. 



BIBLIOGRAPHY COMMITTEE FOR 1921 



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



H. O. BnCKMAN R. HOSMER 



W. H. Chandler L. Knudson 



A. J. E * M ES D. Reddick 



R. A. Emerson L. W. Sharp 



H. M. Frm»ATRicK K. M.Wiboanb 



R S. llARFfts, Secretary 



