CONTENTS 



Agronomy 1-22 



Bibliography, Biography and History 23-29 



Botanical Education 30-36 



Cytology p. 5 



Ecology and Plant Geography p. 5 



Forest Botany and Forestry 37-71 



Genetics 72-148 



Horticulture 149-176 



Morphology, Anatomy and Histology of Vascular Plants 177-183 



Morphology and Taxonomy of Algae p. 33 



Morphology and Taxonomy of Bryophytes p. 33 



Morphology and Taxonomy of Fungi, Lichens, Bacteria and Myxomycetes p. 33 



Pathology 184-248 



Pharmaceutical Botany and Pharmacognosy 249-251 



Physiology 252-312 



Soil Science 313-321 



Taxonomy of Vascular Plants 322-378 



Miscellaneous, Unclassified Publications 379-382 



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, Neil E . Stevens, 

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



Botanical Education. C. Stuart Gaqer, Brooklyn 

 Botanic Garden, Brooklyn, New York. — Assistant 

 Editor, Alfred Gundersen, 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. Cowleb, 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. 

 HoPMANN, 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. Gotjblet, Ohio Agricultural Ex- 



geriment Station, Wooster, Ohio. — Assistant Editor, 

 [. 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- 

 LBASE, 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. Tranbbau, 

 Ohio State University, Columbus, Ohio. 



Morphology and Taxonomy of Bryophytes. Albxandbb 

 W. EvANS.Yale University. New Haven. Connecticut. 



Morpholcgy and Taxonomy of Fungi, Lichens, Bacteria 

 and Myxomycetes. H. M. Fitzpatrick, Cornell 

 University, Ithaca, New York. 



Paleobotany and EvolutJonM7 History. Edward W. 

 Berry, 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. 

 Yodngken, Philadelphia College of Pharmacy and 

 Science,PhiladelphiB,Pennsylvania.— Assistant Editor, 



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

 Illinois. 



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



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



Dodge, Harvard University, Cambridge, Massachu- 



set ts, ^^a ta^wg-aaasi - 

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



Industry, Washington, D. C — Assistant Editor, 



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

 ington, D. C. !______ ;v:iii! 



Taxonomy^ of Vascular Plants. J. M. Gbbbnmam, Mis- 

 souri Botanical Garden, St. Louis, Missouri.— 

 Assistant Editor, E. B. Payson, University of 

 Wyoming, Laramie.vWyoming. 



BIBLIOGRAPHY COMMITTEE FOR 1921 



J. R. ScsBi^M, Chavrmanl Cornell University, Ithaca, New York 

 H. O. Bdckman R. Hosmes 



W. H. Chandler L. Knudson 



A. J. Eameb D. Reddick 



R. A. Emerson L. W. Sharp 



H. M. FrrsPATRiCK K. M.Wiboand 



R. S. HABirts, Secretary 



