CONTENTS 



Agronomy 1-149 



Botanical Education 150-165 



Cytology 166-177 



Ecology and Plant Geography 178-384 



Forest Botany and Forestry 385-484 



Genetics • 485-831 



Horticulture 832-976 



Morphology, Anatomy and Histology of Vascular Plants 977-1007 



Morphology and Taxonomy of Algae 1008-1031 



Morphology and Taxonomy of Bryophytes 1032- 1045 



Morphology and Taxonomy of Fungi, Lichens, Bacteria and Myxomycetes 1046-1199 



Paleobotany and Evolutionary History 1200-1220 



Pathology 1221-1382 



Pharmaceutical Botany and Pharmacognosy 13S3-1392 



Physiology .' .. 1393-1629 



Soil Science 1630-1689 



Taxonomy of Vascular Plants 1690-1780 



Miscellaneous, Unclassified Publications 1781-1853 



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, 

 D.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, University 6f 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. 

 Hoffman, U. S. Forest Service, Wind River Ex- 

 periment Station, Stabler, Washington. 



Genetics. George II. Shull, Princeton University, 

 Princeton, New Jersey. — Assistant Editor,.!. P. Kelly, 

 Pennsylvania State College, State College, Penn- 

 sylvania. 



Horticulture. J. H. GourLey, New Hampshire Agri- 

 cultural College, Durham, New Bamjpshice. 



Miscellaneous, Unclassified Publications. Burton E. 

 Livingston, The Johns Hopkins University, Balti- 

 more, Maryland. 



Morphology, Taxonomy and Histology of Vascular Plants. 

 11 \V. BlNNOTT, Connecticut Agricultural College, 

 Storrs, Connecticut. 



Morphology and Taxonomy of Algae. E. N. Transeatj 

 Ohio State University, Columbus, Ohio. 



Morphology and Taxonomy of Bryophytes. Alexandei 

 W. Evans, Yale University, New Haven, Connecticut 



Morpholcgy and Taxonomy of Fungi, Lichens, Bacteria 

 and Myxomycetes. II. M. Fitzpa trick, Cornel 

 University, Ithaca, New York. 



Paleobotany and Evolutionary History. Edward W 

 Berry, The Johns Hopkins University, Baltimore 

 Maryland 



Pathology. G. H. Coons, Michigan Agricultural Cot 

 lege, East Lansing, Michigan. — Assistant Editor, C. W 

 Bennett, Michigan Agricultural College, East Lana 

 ing, Michigan. 



Pharmaceutical Botany and Pharmacognosy. Heber W 

 Youngken, Philadelphia College of Pharmacv anc 

 Science, Philadelphia, Pennsylvania. —Assistant Editor 



E. N. Gathercoal, University of Illinois, Urbana 

 Illinois. 



Physiology. B. M. Ducgar, Missouri Botanical Garden 

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

 Dodge, Brown University, Providence, Rhode Island 



Soil Science. J. J. Skinner, IT. S. Bureau of Plan 

 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. Payson, Missouri Botanica 

 Garden, St. Louis, Missouri. 



BIBLIOGRAPHY COMMITTEE FOR 1920 



J. R ScnRAMM, Chairman: Cornell University, Ithaca, New York. 

 II O Bickman L. Knudson 



W. II. Chandler E. G. Montgomery 



A.J.Eames D. Rkddick. , 



R. A. Emerson L. W.'Shabp 



11. M. Fitzpatrick K. M.Wikoand 



R. HOSMER 



