CONTENTS 



Agronomy 1-54 



Bibliography, Biography and Historj- 55- 76 



Botanical Education 77- 87 



Ecology and Plant Geography 88-147 



Forest Botany and- Forestry 148-207 



Genetics 208-355 



Horticulture 356-431 



Morphology, Anatomy and Histology of Vascular Plants 432-445 



Morphology and Taxonomy of Bryophytes 446-455 



Morphology and Taxonomj^ of Fungi, Lichens, Bacteria and Myxomycetes 456-483 



Paleobotany and Evolutionary History ~ 48-^495 



Pathology 496-579 



Pharmaceutical Botany and Pharmacognosy 580-598 



Physiology 599-674 



Soil Science 675-682 



Taxonomy of Vascular Plants „ 683-751 



Miscellaneous, Unclassified Publications 752-760 



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 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. 

 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, West Virginia Univer- 

 sity, Morgantown, West Virginia. — Assistant Editor, 

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

 town, West Virginia. 



Miscellaneous, Unclassified Publications. Burton E. 

 Livingston, 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. Sxnnott, Connecticut Agricultural College, 

 Storrs, Connecticut. 



Morphology and Taxonomy of Algae. E._N. Tranbeau, 

 Ohio State University, Columbus, Ohio. 



Morphology ano Taxonomy of Bryophytes. Alexandeb 

 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. 

 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 . 

 Youngken, Philadelphia College of Pharmacy and 

 Scienue,Philadelphia,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, Brown University, Providence, Rhode Island. 



Soil Science. J. J. Skinner, U. S. Bujseau 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, Missouri Botanical 

 Garden, St. Louis, Missouri. 



BIBLIOGRAPHY COMMITTEE FOR 1921 



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



H. O. BUCKMAN R. HOSMFP 



W. H. Chandler L. Knudson 



A. J. Eames E. G. Montgomery 



R. A. Emerson D. Reddick 



H. M. Fitzpatrick L. W. Sharp 



K. M.Wibqand 

 R. S. Haiuris, Secretary 



