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Botanical Abstracts 



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



field of botany in its broadest sense. 



VOLUME V 

 AUGUST-SEPTEMBER, 1920 



PUBLISHED MONTHLY UNDER THE DIRECTION OF 



THE BOARD OF CONTROL OF BOTANICAL ABSTRACTS, INC. 



A democratically constituted organization, with members representing man}' societies 



interested in plants. 



BALTIMORE, U. S. A. 



WILLIAMS & WILKINS COMPANY 



1920 



