CONTENTS 



Agronomy 1101-1155 



Bibliography, Biography and History 1156-1200 



Botanical Education 1201-1215 



Cytology p. 188 



Forest Botany and Forestry 1216-1286 



Genetics 1287-1388 



Horticulture 1389-1480 



Morphology, Anatomy and Histology of Vascular Plants 1481-1502 



Morphology and Taxonomy of Algae p. 242 



Morphology and Taxonomy of Bryophytes 1503-1508 



Morphology and Taxonomy of Fungi, Lichens, Bacteria and Myxomycetes 1509-1541 



Paleobotany and Evolutionary History p. 252 



Pathology 1542-1576 



Pharmaceutical Botany and Pharmacognosy 1577-1614 



Physiology 1615-1655 



Soil Science 1656-1673 



Taxonomy of Vascular Plants p. 271 



Miscellaneous, Unclassified Publications 1674-1683 



BOARD OF EDITORS FOR 1921 

 AND ASSISTANT EDITORS 



Editor-in-Chief, J. R. SCHRAMM 



Cornell University, Ithaca, New iTork 



EDITORS FOR SECTIONS 



Agrooomy. 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, Illvpois. — 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. 

 Kellt, Pennsylvania State College, State College, 

 Pennsylvania. 



Horticulture. J. H. Gourlet, Ohio Agricultural Ex- 

 periment Station, Wooster, Ohio. — Assistant Editor, 

 H. E. Kno^ylton, 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. Sinnott, Connecticut Agricidtural College, 

 Storrs, Connecticut. 



Morphology and Taxonomy of Algae. E. N-Tbanseav, 

 Ohio State University, Columbus, Ohio. 



Morphology and Taxonomy of Bryophytes. Alexandeb 

 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 Evolution^ 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 Pharmacj' and 

 Science,Philadelphia,Pennsylvania.— Assistant Editor, 



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

 Illinois. 



Physiology. B. M. Duogar, 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. Scrertz, 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. Payson, University of 

 Wyoming, Laramie, Wyoming. 



BIBLIOGRAPHY COMMITTEE FOR 1921 



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



H. O. BUCKMAN R. HOSMER 



W. H. Chandler L. Knudson 



A. J. Eaubb D. Reddick 



R. A. Emerson L. W. Sharp 



H. M. FrrcPATRiCK K. M.Wiboand 



R. S. HARifts, S4eretary 



