Vol. VII 



MARCH, 1921 



No. 2 



ENTRIES 566-1527 



BOTANICAL Abstracts 



\ monthly serial furnishing abstracts and citations of publications in the international 



field of botany in its broadest sRnse 



PUBLISHED MONTHLY UNDER THE DIRECTION OF 



THE BOARD OF CONTROL OF BOTANICAL ABSTRACTS, INC. 



A democratically constituted organization, with members representing many societies 



interested in plants. 



THE SOCIETIES NOW REPRESENTED 



AND 



THE MEMBERS OF THE BOARD OF CONTROL 



(The Executive Committee for 19SJ are indicated by asterisks) 



American Association for the Advancement 

 of Science, Section G. 

 -R. A. Harpkr, Columbia University, 

 New York City. 



B. E. Livingston. 



Botanical Society of America, General 

 Section. 

 H. A. Glkason, New York Botanical 



Garden, New York City. 

 *B. M. Davis. 



Botanical Society of America, Physiology 

 Section. 

 Otis F. Cuhtis, Cornell University, 



Ithaca, New York. 

 *B. M. DuGOAR, Chairman of the Board. 



Botanical Society of America, Systematic 

 Section. 

 Marshall .\. Howk, New York Botani- 

 cal Garden, New York City. 

 J. A. Barnhart. 



Botanical Society of America, Mycological 

 Section. 



C. H. Kauffman, University of Michi- 

 gan, Ann Arbor, Michigan. 



BntrcR Fink, Miami University, Oxford, 

 Ohio. 



American Society of Naturalists. 

 H. H. Bartlett, University of Michigan, 



Ann Arbor, Michigan. 

 *J. A. Harris. 



Ecological Society of America. 

 H. L. ScHANTZ, U. S. Bureau of Plant 



Industry, Washington, D. C. 

 * Forrest Shreve. 



Paleontological Society of America. 

 Arthur Hallick, 61 Wall Street, New 



Brighten, New York. 

 E. W. Berry. 



American Society of Agronomy. 



('. H. Hutchison, Cornell University, 

 Ithaca, New York. 



C. A. MOOERS. 



Society for Horticultural Science. 

 V. R. Gard.n'kk, University of Missouri, 



Columbu.s, Missouri. 

 E. J. Kraus. 



American Phytopathological Society. 



L. R. JovES. University of Wisconsin, 

 Madison, Wisconsin. 

 * Donald Reddick. 



Society of American Foresters. 



Rmmiakl Zox, U. S. Forest Service, Wash- 

 ington, D. C. 



J. S. Illick, Pennsylvania Department 

 of Forestry, Harrisburg, Pennsylvania. 



American Conference of Pharmaceutical 

 Faculties. 



Heuer W. Youn(;kk.v, Philadelphia Col- 

 lege of Pharmacy and Science, Phila- 

 delphia, Pennsylvania. 



Henry Kraemer. 



Canadian Society of Technical Agricultur- 

 ists. 



W. P. Thompson, University of Sas- 

 katchewan, Saskatoon, Saskatchewan. 



B. T. DicKsov, Macdonald College, 

 Macdonald College, Quebec. 



Royal Society of Canada. 

 No elections. 



At large. 

 W. A. Orton. 



WILLIAMS & WILKINS COMPANY 



BALTIMORE, TJ. S. A. 



Entered ae Becond-claES matter, November 9, 1918, at the post office at Baltimore, Maryland, under the Act of 



March 3, 1879 



Copyright 1921, Williams & Wilkins Company 



$3.00, United States, Mexico, Cuba 

 "a 

 countries 



Price, net postpaid, per volume 



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