CONTENTS 



Agronomy , 761- 823 



Bibliography, Biography and History 824- 923 



Botanical Education 924- 930 



Cytology p. 134 



Ecology and Plant Geography 931- ggg 



Forest Botany and Forestry 987-1051 



Genetics 1052-1127 



Horticulture 1128-1205 



Morphology, Anatomy and Histology of Vascular Plants 1206-1220 



Morphology and Taxonomy of Algae 1221-1257 



Morphology and Taxonomy of Bryophytes 1258-1271 



Morphology and Taxonomy of Fungi, Lichens, Bacteria and Myxomycetes 1272-1335 



Paleobotany and Evolutionary History 1336-1343 



Pathology 1344r-1435 



Pharmaceutical Botany and Pharmacognosy ^ 1436-1447 



Physiology 1448-1508 



Soil Science 1509-1538 



Taxonomy of Vascular Plants 1539-1572 



Miscellaneous, Unclassified Publications 1573-1582 



BOARD OF EDITORS FOR 1921 

 AND ASSISTANT EDITORS 



Editor-in-Chief, J. R. Schramm 



Cornell University, Ithaca, New Vork 



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, 

 DC. 



Bibliography, 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 Gundersen, Brooklyn Botanic 

 Garden, Brooklyn, New York. 



Cytology. Gilbert M. Smith, University of Wisconsin, 

 Madison, Wisconsin. — Assistant Editor, Geo. S 

 Brtan, 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. Gourlet, Ohio Agricultural Ex- 

 periment Station, Wooster, Ohio. — Assistant Editor, 

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

 town, West Virginia. 



Hiscellaneous, 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. Transb-o, 

 Ohio State University, Columbus, Ohio. 



Morphology ana Taxonomy oi Bryophytes. Alexawdbb 

 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- 

 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. Heber W. 

 YouNGKEN, Philadelphia College of Pharmacy and 

 Science,Philadelphia,Penn8ylvania.— 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. 

 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. Gbeenman. Mis- 

 souri Botanical Garden, St. Louis, Missouri. — 

 Assistant Editor. E B. Patson, University of 

 Wyoming, Laiamie, Wyoming. 



BIBLIOGRAPHY COMMITTEE FOR 1921 



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

 H. O BucKMAN R. HosMT-p 



W. H. Chandler L. Knudson 



A.J. Eameb D. Reddick 



R. A. Emebson L. "/. Sharp 



H. M. FiTZPATBICK K. M.WlBOAND 



R. S. HariOb, Secretary 



