CONTENTS 



Agronomy 1398-1436 



Bibliography, Biography, and History 1437-1473 



Botanical Education 1474-1477 



Cytology ., 1478-1496 



Ecology and Plant Geography 1497-1529 



Forest Botany and Forestry 1530-1562 



Genetics 1563-1793 



Horticulture 1794-1893 



Morphology, Anatomy, and Histology of Vascular Plants 1894-1905 



Morphology and Taxonomy of Bryophytes 1906-1909 



Morphology and Taxonomy of Fungi, Lichens, Bacteria, and Myxomycetes 1910-1924 



Paleobotany and Evolutionary History 1925-1931 



Pathology 1932-1972 



Pharmaceutical Botany and Pharmacognosy 1973-1993 



Physiology 1994-2018 



Soil Science 2019-2028 



Miscellaneous, Unclassified Publications 2029-2032 



BOARD OF EDITORS FOR 1920 



AND ASSISTANT EDITORS 

 Editor-in-Chief, Burton E. Livingston 



The Johns Hopkins University, Baltimore 



Associate, Lon A. Hawkins 



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



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, 



n c. 



Bibliography, Biography and History. Lincoln W. 

 Riddle, Harvard University, Cambridge, Massa- 

 chusetts. 



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, Universityof 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, Penn- 

 sylvania. 



Horticulture. J. H. Gourley, West Virginia Univer- 

 sity, Morgantown, West Virginia. 



Miscellaneous, Unclassified Publications. Burton E. 

 Livingston, The Johns Hopkins University, Balti- 

 more, Maryland. 



Morphology, Anatomy and Histology of Vascular Plants. 

 E. W Sinnott, Connecticut Agricultural College, 

 Storrs, Connecticut. 



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

 Ohio State University, Columbus, Ohio. 



Morphology ana 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. g 



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. H eber W . 

 Youngken, Philadelphia College of Pharmacy and 

 Science.Philadelphia.Pennsylvania.— Assistant Editor, 



E. N. Gathercoal, University of Illinois, Urbana, 

 Illinois. 



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

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

 Dodge, Brown University, Providence, Rhode Island. 



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. Greenman, Mis- 

 souri Botanical Garden, St. Louis, Missouri. — 

 Assistant Editor, E. B. Paybon, Missouri Botanical 

 Garden, St. Louis, Missouri. 



BIBLIOGRAPHY COMMITTEE FOR 1920 



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



H. O Buckman L. Knudson 



W. H. Chandler E. G. Montgomery 



A.J. Eames D. Reddick 



R. A. Emerson L. W. Sharp 



H. M. Fitzpatrick K. M. Wiegand 

 R. Hosmer 



