. Mr. David R. Sumstine, 508 Elliott St., Wilkinsburg, Pa. 



Dr. W. T. Swingle, Bureau of Plant Industry, Washington, D. C. 



Dr. Tyozaburo Tanaka, U. S. Department of Agriculture, Wash- 

 ' ington, D. C. 



Mr. Norman Taylor, Brooklyn Botanic Garden, Brooklyn, N. Y. 



Mr. Arthur H. Thomas, Box 278, Haverford, Pa. 



Mr. H. E. Thomas, Department of Botany, Columbia University, 

 New York City. 



Mrs. H. M. Thomas, 611 West iioth St., New York City. 

 "^ Miss Anna F. Thompson, Summit, N. J. 



Mr. Henry W. Thurston, College of Agriculture, Lincoln, Nebr. 



Mr. Ivar Tidestrom, 807 North Capitol Street, Washington, D. C. 



Mr. S. M. Tracy, Biloxi, Miss. 

 fMrs. A. B. Tweedy, 473 West 22d St., New York City. 



Professor W. C. Twiss, University of Utah, Salt Lake City, Utah. 



Brother Victorin, Longueiul College, Longueiul, Quebec. 

 ■/Mr. H. E. Viola, P. O. Box No. 3, West Hoboken, N. J. 

 f Mr. C. A. Weatherby, 11 Wells Ave., East Hartford, Conn. 



Dr. Paul Weatherwax, Athens, Ga. 



Dr. James R. Weir, Laboratory of Forest Pathology, Spokane, 

 Wash. 



Mrs. Samuel Weiss, 271 Central Park West, New York City. 

 • Dr. William E. Wheelock, 45 West 51st St,, New York City. 

 > Mr. Edward A. Wickham, 482 Broad St., Newark, N. J. 



Miss Ruby B. Wilber, Sound Beach, Conn. 



Mr. R. S. Williams, New York Botanical Garden, Bronx Park, 

 New York City. 



Mr. Percy Wilson, New York Botanical Garden, Bronx Park, 

 New York City. 



Mr. F. S. Wolpert, Missouri Botanical Garden, St. Louis, Mo. 

 ;- Mr. Richard W. Woodward, 22 College Street, New Haven, Conn. 

 ; Mrs. Cecil Yampolsky, 230 Franklin Ave., Grantwood, N.J. 



Officers 

 President, Herbert M. Richards, Sc.D. 



Vice Presidents, John Hendley Barnhart, A.M., M.D., C. 

 Stuart Gager, Ph.D. 



Secretary and Treasurer, Francis W. Pennell, Ph.D. 



