174 
Cornell University; M. J. Sirks, Wageningen, Holland; Anicoara 
Stan, Clij, Roumania; Dr. Alexandre Borza, Botanical Garden, 
Cluj, Roumania; A. M. Banta, Carnegie Institution, Cold Spring 
arbor, e1.+ C,H Connors. N. J. Experiment Station; E. M. 
East, Boston; D, F. Jones, P. C. Mangelsdorf and H. R. Murray, 
Connecticut Agricultural Experiment Station; J. R. Johnston, 
Boston; Clement G. Bowers, Binghamton, N. Y.; Priscilla B. 
Presbrey, Wellesley College; Esther Mitchell, Vassar College ; 
Lydia Bourne Walsh, Wellesley College; Geo. M. Darrow, U. S. 
Department of Agriculture; M. Thompson, Ridgefield, N. J.3. 
Wm. Nowell, Department of Agriculture, Trinidad, B. W. 1.; B. 
Némec, Charles University, Prague; Clyde Fisher, New York 
City; Prof. K. Domin, Charles University, Prague; Prof. Dr. 
Nils E. Svedelius, Upsala University, Sweden; Georg Tischler, 
Kiel University, Germany; Harold W. Browning, R. I. State Col- 
lege; F. J. Crider, Boyce Thompson Southwestern Arboretum, 
Superior, Arizona; Paul Work, Cornell University; Prof. 
Kotowski, College of Agriculture, Warsaw, Poland; Dr. Adrian 
J. Pieters and Dr. Elmer W. Brandes, U. S. Department of Agri- 
culture; Dr. A. F. Blakeslee, Carnegie Institution Station for Ex- 
perimental Evolution, Cold Spring Harbor, L. I.; Prof. R. W. 
Hodgson, University of California; Prof. George H. Shull, 
Princeton University; F. Brieger, Bussey Institution, Harvard 
University ; Dr. N. L. Britton and Dr. A. B. Stout, N. Y. Botani- 
cal Garden; Prof. Ernst Lehmann, University of Tubingen, 
Germany ; Leonard Barron, Garden City; Prof. Dr. Richard von 
Wettstein, University of Vienna. 
INTERNATIONAL CONGRESS OF PLANT SCIENCES 
The first International Botanical Congress was held at Paris 
in 1900, the second at Vienna in 1905, and the third at Brussels 
in 1910. The fourth, which was to have been held in England 
in 1915, was not held on account of the World War. It did not 
seem opportune to attempt another meeting at the regular five- 
year interval in 1920. After conferring with British botanists 
and officers of the Congress that was to have been held in Eng- 
land in 1915, an invitation was issued by an Organizing Com- 
