Botanical abstracts

,:i;.iliisHiill!![>""•ssmWMiiiiiiBotanicalAbstractsabstractsmonthly serial furnishing and citations of publications in the internationalAfield of botany in its broadest sense.VOLUME VIIFEBRUARY, 1921-APRIL, 1921PUBLISHED MONTHLY UNDER THE DIRECTION OFTHE BOARD OF CONTROL OF BOTANICAL ABSTRACTS, INC.democratically constituted organization,A with members representing many societiesininterested plants.BALTIMORE, U. S. A.WILLIAMS & WILKINS COMPANY1921)(6nsLtCopyright, 1921Williams & Wilkins CompanyBaltimore, U. S. A.THE SOCIETIES NOW REPRESENTEDANDTHE MEMBERS OF THE BOARD OF CONTROLMembers the Executive Committee for 1921 are indicated by asterisks){Tht ofAdvancement Paleontological Society America.American Association for tlie ofof Science, Section G. Arthur Hollick, 61 Wall Street, NewColumbia University, Brighton, York.R. A. Harper, NewE. W. Berry, Johns Hopkins University,New York City.Jolins Hopkins Uni- Baltimore, Maryland.B. E. Livingston,Baltimore, Maryland.versity,American Society of Agronomy.Society of America, GeneralBotanicalC. B. Hutchinson, Cornell University,Section.Ithaca, New York.Gleason, New York BotanicalH. A. C. A. Mooers, University of Tennessee,Garden, New York City.Knoxville, Tennessee.*B. M. Davis, University of Michigan,Ann Arbor, Michigan. Society for Horticultural Science.Physiologi- Gardner, University of Missouri,Botanical Society of America, V. R.cal Section. Columbia, Missouri. of Wisconsin,E. J ...