CONTENTS 



Entry nos. 



Agronomj' 1-71 



Bibliography, Biography and History 72-96 



Botanical Education 97-115 



Cytology 116-127 



Forest Botany and Forestry 128-252 



Genetics 253-505 



Horticulture 506-542 



Morphology, Anatomy and Histology of Vascular Plants 543-590 



Morphology and Taxonomy of Algae 591-613 



Morphology and Taxonomy of Bryophytes 614-629 



Morphology and Taxonomy of Fungi 630-705 



Paleobotany 706-724 



Pathology 725-774 



Pharmacognosy and Pharmaceutical Botany 775-841 



Physiology 842-979 



Soil Science 9S0-1007 



Taxonomy of Vascular Plants 1008-1065 



Miscellaneous and Unclassified Publications 1066-10S5 



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 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. 

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

 periment Station, Stabler, Washington. 



Genetics. George H. Shull, Princeton University, 

 Princeton, NewJerscy.— Assistant Editor, J. P. Kelly, 

 Pennsylvania State College, State College, Penn- 

 sylvania. 



Horticulture. J. II. Godrlet, New Hampshire Agri- 

 cultural College, Durham, New Hampshire. 



Miscellaneous, Unclassified Publications. Burton E. 

 Livingston, The Johns Hopkins University, Balti- 

 more, Maryland. 



Morphology, Anatomy and Histology of Vascular Plants. 

 E. W. Binnott, Connecticut Agricultural College, 

 Storrs, Connecticut. 



Morphology and Taxonomy of Algae. E. N. Transeau 

 Ohio State University, Columbus, Ohio. 



Morphology and Taxonomy of Bryophytes. Alexander 

 W. Evans, Yale University, New Haven, Connecticut. 



Morpholcgy and Taxonomy of Fungi, Lichens, Bacteria 

 and Myxomycetes. H. M. Fitzpatrick,' 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. Heber W. 

 Youngken, Philadelphia College of Pharmacy and 

 Science, Philadelphia, Pennsylvania.— Assistant Editor, 



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



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. 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. Payson, Missouri Botanical 

 Garden, St. Louis, Missouri. 



BIBLIOGRAPHY COMMITTEE FOR 1920 



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



II. O Buckman L. Knudson 



W. II. Chandler E. G.Montgomery 



A.J. Eames D. Reddick 



R. A. Emerson L. W. Sharp 



II. M. Fitzpatrick K. M. Wiegand 



It. HOSMER 



