Vol. Ill 



MAY, 1920 

 ENTRIES 1324 



. 5 



Botanical Abstracts 



A monthly serial furnishing abstracts and citatioi m the international 



field of botany in its broa 



PTJBLI8HED MONTHLY UNDER THE DIRECTION OF 



THE BOARD OF CONTROL OF BOTANICAL ABSTRACTS, INC. 

 A democratically constituted organisation, with members rep societies 



inten sted in plan 



THE SOCIETIES NOW REPRESENTED 



AND 



THE MEMBERS OF THE BOARD OF CONTROL 



(The Eiecutire Committee for 19t0 ore indicated by atteriths) 



American Association for the Advancement 



of Science, Section G. 

 *B. E. Livingston, Johns Hopkins Uni- 

 versity, Baltimore, Maryland. 



A. F.Blakeslee, Station for Experimcnta 

 Evolution, Cold Spring Harbor, Long 

 Island, New York. 



Botanical Society of America, General 

 Section. 



B. M. Davis. University of Michigan, Ann 

 Arbor, Michigan. 



*R. A. Harper, Columbia University, 

 New York City. 



Botanical Society of America, Physiology 

 Section. 

 B. M. Duggar, Missouri Botanical 



Garden, St. Louis, Missouri. 

 W. J. V. Osterhotjt, Harvard University, 

 Cambridge, Massachusetts. 



Botanical Society of America, Systematic 



Section. 

 J. H. Barnhart, New York Botanical 



Garden, Bronx Park, New York City. 

 A. S. Hitchcock, U. S. Bureau Plant 



Industry, Washington, D. C. 



American Society of Naturalists. 

 J. A. Harris, Station for Experimental 

 Evolution, Cold Spring Harbor, Long 

 Island, New York. 

 E. M. East, Harvard University, Bussey 

 Institution, Forest Hills, Bost 

 Massachusetts. 

 Ecological Society of America. 

 Forrest Shreve, Desert Laboratory, 

 Carnegie Institution, Tucson, Arizona. 

 *Geo. H. Nichols, Yale University, New- 

 Haven, Connecticut. 



At large. 

 W. A. Orton,U. S. Bureau Plant Industry, 

 Washington, D. C. 



Paleontological Society of America. 



E. W. Berry, Johns Hopkins University, 

 Baltimore, Maryland. 



F. H. Knowlton, U. S. National Museum, 

 Washington, D. C. 



American Society of Agronomy. 

 C. A. Mooers, University of Tennessee, 



Knoxville, Tennessee. 

 E. G. Montgomery, Cornell University, 



Ithaca, New York. 



Society for Horticultural Science. 

 *E. J. Kratjs, University of Wisconsin, 



Madison, Wisconsin. 

 W. A. McCue, Delaware Agricultural 

 Experiment Station, Newark, Dela- 

 ware. 



American Phytopathological Society. 

 *Donald Reddick {Chairman of the Board), 

 Cornell University, Ithaca, New York. 

 C. L. Shear, U. S. Bureau Plant Industry, 

 Washington, D. C. 



Society of American Foresters. 

 J. S. Illick, State Forest Academy, 



Mount Alto, Pennsylvania. 

 Barrington Moore, American Museum 



Natural History, New York City. 



American Conference of Pharmaceutical 

 Faculties. 

 Henry Kraemer, University of Michi- 

 gan, Ann Arbor, Michigan. 

 Wortlet F. Rudd, Medical College, Rich- 

 mond, Virginia. 



Royal Society of Canada. 

 No elections. 



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BALTIMORE. V. S. A. 



THE CAMBRIDGE UNIVERSITY PRESS 



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Entered ae eecond-claES matter, November 9, If'IS.at the pest cfl : a Bt Baltimore, Maryland, under tl.e Act of 



March 3, lS/fi 



Copyright 1920, Williams & Wilkins Company 

 Price, net postpaid for the year (two volume 



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1919 Volumes: I and II 



1920 Volumes: III and IV 



