i
BotanicalAbstracts
monthly serial furnishing abstracts and citations publications inA of the international
field of botany in its broadest sense.
VOLUME IX
AUGUST, 1921-OCTOBER, 1921
PUBLISHED MONTHLT UNDER THE DIRECTION OF
THE BOARD OF CONTROL OF BOTANICAL ABSTRACTS, INC.
A democratically constituted organization, u-ith members representing many societies
interested in plants.
BALTIMORE, U. S. A.
WILLIAMS & WILKIXS COMPANY
1921Copyright, 1921
Williams & VVilkins Company
Baltimore, U. S. A.THE SOCIETIES NOW REPRESENTED
AND
THE MEMBERS OF THE BOARD OF CONTROL
{The Members of the Executive Committee for 1921 are indicated by asterisks)
American Association for theAdvancement Paleontological Society of America.
of Science, Section G. Arthur Hollick, 61 Wall Street, New
Brighton, New York.R. A. Harper, Columbia University,
E. W. Berry, Johns Hopkins University,New York City.
Baltimore, Maryland.B. E. Livingston, Johns Hopkins Uni-
versity, Baltimore, Maryland. American Society of Agronomy.
C. B. Hutchinson,Botanical Society of America, General Cornell University,
Ithaca,Section. New York.
C. A. Mooers, ofUniversity Tennessee,H. A. Gleason, New York Botanical
Knoxville, Tennessee.Garden, New York City.
Society for Horticultural*B. M. Davis, University of Michigan, Science.
Ann Arbor, Michigan. Gardner,V. R. University of Missouri,
Columbia,Botanical Society of America, Physiologi- Missouri.
Wisconsin,cal Section. E. J. Kraus, of
Madison, Wisconsin.Otis F. Curtis, Cornell University,
Ithaca, New York. American Phytopathological Society.
*B. M. DuGGAR (Chairman of the Board), Wisconsin,L. R. Jones, University of
Missouri Louis,Botanical Garden, St. Madison, Wisconsin.
Missouri. Cornell University,*Donald Reddick,
Botanical Society America, Systematic Ithaca, York.of New
Section.
Society of American Foresters.
Marshall A. Howe, New York Botani- Raphael Zon. U. S. Forest Service, Wash-
cal Garden, New York City. ington, D. C.
H. Babnhart, New York BotanicalJ. S. Illick, Pennsylvania DepartmentJ.
Garden, York City.New of Forestry, Harrisburg, Pennsylvania.
Botanical Society of America, Mycological
American Conference of Pharmaceutical
Section.
Faculties.
C. H. Kauffman, University Michi-of Heber W. Youngken, Philadelphia Col-
gan, Ann Arbor, Michigan.
lege of Pharmacy and Science, Phila-
Bruce Fink, Miami University, Oxford, delphia, Pennsylvania.
Ohio. HenryKraemer, Mt. Clemens, Michigan.
American Society of Naturalists.
Canadian Society' of Technical Agricultur-
H. H. Bartlett, University of Michigan, ists.
Ann Arbor, Michigan. W. P. Thompson, University of Sas-
*J. A. Harris, Department of Genetics, katchewan, Saskatoon, Saskatchewan.
Carnegie Institution, Cold SpringHar- B. T. Dickson, Macdonald College,
bor, L. I., New York. Macdonald College, Quebec.
Ecological Society of America. Royal Society of Canada.
H. L. Shantz, U. S. Bureau of Plant F. E. Lloyd, McGill University, Mon-
Industry, Washington, D. C. treal, Quebec.
*Forrest Shreve, Desert Laboratory, J. H. Faull, University of Toronto,
Carnegie Institution, Tucson, Arizona. Toronto, Ontario.
At large.
W. A. Orton, U. S. Bureau of Plant Industry, Washington, D. C.
Ill\b
Copyright, 1921
Williams & Wilkins Company
Baltimore, U. S. A.REPRESENTEDTHE SOCIETIES NOW
AND
CONTROLTHE MEMBERS OF THE BOARD OF
(The Members the Executive Committee for 19!l are indicated by asterisks)of
Society of America.American Association for theAdvancement Paleontological
Arthur Hollick, 61 Wall Street, Newof Science, Section G.
Brighton, New York.University,R. A. Harper, Columbia
W. Berry, Johns Hopkins University,E.New York City.
Baltimore, Maryland.Johns Hopkins Uni-B. E. Livingston,
Maryland.versity, Baltimore, American Society of Agronomy.
C. B. Hutchinson, Cornell University,America, GeneralBotanical Society of
Ithaca, New York.Section.
C. A. MooERS, University of Tennessee,New York BotanicalH. A. Gleason,
Knoxville, Tennessee.York City.Garden, New
Society for Horticultural Science.University of Michigan,*B. M. Davis,
Michigan.Ann Arbor, Gardner, University of Missouri,V. R.
Columbia, Missouri.America, Physiologi-Botanical Society of
E. Kraus, of Wisconsin,J.cal Section.
Madison, Wisconsin.
Otis F. Curtis, Cornell University,
Ithaca, New York. American Phytopathological Society.
*B. M. DuGQAR (Chair77}an the Board),of Jones, University of Wisconsin,L. R.
Missouri Botanical Garden, St. Louis, Madison, Wisconsin.
Missouri. *DoNALD Reddick, Comell University,
Ithaca, New York.Botanical Society of America, Systematic
Section. Society of American Foresters.
Marshall A. Howe, New York Botani- Wash-Raphael Zon. U. S. Forest Service,
cal Garden, New York City. ington, D. C.
H. Barnhart, New York Botanical DepartmentJ. S. Illick, PennsylvaniaJ.
Garden, New York City. Pennsylvania.of Forestry, Harrisburg,
Botanical Society of America, Mycological of PharmaceuticalAmerican Conference
Section. Faculties.
C. H. Kauffman, University of Michi- Philadelphia Col-Heber W. Youngken,
gan, Ann Arbor, Michigan. and Science, Phila-lege of Pharmacy
Bruce Fink, Miami University, Oxford, delphia, Pennsylvania.
Ohio. Clemens, Michigan.HenryKraemer, Mt.
American Society of Naturalists. Technical Agricultur-Canadian Societj' of
Michigan,H. H. Bartlett, University of ists.
University of Sas-Ann Arbor, Michigan. W. P. Thompson,
of Genetics, Saskatchewan.*J. A. Harris, Department katchewan, Saskatoon,
Har- Macdonald College,Carnpgie Institution, Cold Spring B. T. Dickson,
Quebec.bor, L. I., New York. Macdonald College,
Ecological Society of America. Canada.Royal Society of
University, Mon-Bureau of Plant F. E. Lloyd, McGillH. L. Shantz, U. S.
Washington, D. C. treal, Quebec.Industry,
of Toronto,Desert Laboratory, J. H. Faull, University*Forrest Shreve,
Institution, Tucson, Arizona. Toronto, Ontario.Carnegie
At large.
D. C.Bureau of Plant Industry, Washington,W. A. Orton, U. S.
Ill——— ——
BOARD OF EDITORS AND ASSISTANT EDITORS
FOR V0LU:ME IX
Editor-in-Chief, J. R. Schramm
Cornell University, Ithaca, New York.
EDITORS FOR SECTIONS
Agronomy. C. V. Piper, U. S. Bureau of Morphology, Anatomy, and Histology of
Plant Industry, Washington, D. C. Vascular Plants. E. W. Sinnott, Con-
Assistant Editor, Mary R. Burr, U. S. necticut Agricultural College, Storrs,
Bureau of Plant Industry, Washington, Connecticut.
D. C. Morphology and Taxonomy of Algae. E. N.
Bibliography, Biography, and History. Transeau, Ohio State University,
Neil E. Stevens, U. S. Bureau of Plant Columbus, Ohio.
Industry, Washington, D. C. Morphology and Taxonomy of Bryophytes.
Botanical Education. C. Stuart Gager, Alexander W. Evans, Yale University,
Brooklyn Botanic Garden, Brooklyn, New Haven, Connecticut.
New York.—Assistant Editor, Alfred Morphology and Taxonomy of Fungi,
GuNDERSEN, Brooklyn Botanic Garden, Lichens, Bacteria, and Myxomycetes.
Brooklyn, New York. H. M. FiTZPATRiCK, Cornell University,
UniversityCytology. Gilbert M. Smith, Ithaca, New York.
of Wisconsin, Madison, Wisconsin. Paleobotany and Evolutionary History.
Bryan, Uni-Assistant Editor, Geo. S. Edward W. Berry, The Johns Hopkins
Wisconsin.versity ofWisconsin, Madison, University, Baltimore, Maryland.
Geography. H. C.Ecology and Plant Pathology. G. H. Coons, Michigan Agri-
of Chicago,Cowles, The University cultural College, East Lansing, Michi-
—Assistant Editor, Geo.Chicago, Illinois. gan.—Assistant Editor, C. W. Bennett,
ofD. Fuller, The Michigan Agricultural College, East Illinois. Lansing, Michigan.
Forest Botany and Forestry. Raphael PharmaceuticalBotany andPharmacognosy.
Forest Service, Washington, Heber W. Youngken, PhiladelphiaZoN, U. S.
C.—Assistant Editor, J. V. Hofmann, College of Pharmacy and Science, Phila-D.
Forest Service, Wind River Ejcperi- delphia, Pennsylvania.—AssistantU. S. Edi-
ment Station, Stabler, Washington. tor, E. N. Gathercoal, 701 South Wood
Street, Chicago, Illinois.Genetics. George H. Shull, Princeton
Jersey.University, Princeton, New Physiology. B. M. Duggar, Missouri
Kelly,Assistant Editor, J. P. Pennsyl- Botanical Garden, St. Louis, Missouri.
College, Penn-vania State College, State Assistant Editor, Carroll W. Dodge,
sylvania. Harvard University, Cambridge, Massa-
Horticulture. H. Gourley, Ohio Agricul- chusetts.J.
tural Experiment Station, Wooster, Ohio. Soil Science. J. Skinner,J. U. S. Bureau
Assistant Editor, H. E. Knowlton, of Plant Industry, Washington,— D. C.
West Virginia University, Morgantown, Assistant Editor, F. M. Schertz, U. S. Virginia. Bureau of Plant Industry, Washington,
Publications. D. C.Miscellaneous, Unclassified
Burton E. Livingston, The Johns Taxonomy of Vascular Plants. J. M.
Baltimore, Marj'-Hopkins University, Greenman, Missouri Botanical Garden,
Tre-land.—Assistant Editor, Sam F. St. Louis, Missouri.—Assistant Editor,
Hopkins University,lease. The Johns E. B. Payson, University of Wyoming,
Baltimore, Maryland. Laramie, Wyoming.
BIBLIOGRAPHY COMMITTEE FOR 1921
Schramm, Chairman, Cornell University,J. R, Ithaca, New York
H. O. BUCKMAN R. Hosmer
W. H. Chandler L. Knudson
A. J, Eames D. Reddick
R. A. Emerson L. W. Sharp
H. M. Fitzpatrick K. M.Wiegand
R. S. Harris, Secretary
IV