178 
WEDNESDAY AFTERNOON 
30 — 1:30 P.M. 
INVITATION BUFFET : UNCHE FON, LABORATORY BUILDING 
1:30 — 2:30 P.M. 
INSPECTION OF EXHIBITS AND PLANTATIONS 
2:45 — 5:00 O'cloc 
SCIENTIFIC PROG RAM 
Presiding: PROF. EDMUND W. SINNOTT, 
Professor of Botany, Barnard College, Columbia University. 
Editor-in-Chief, American Journal of Botany, 1926-1932. 
President, Torrey Botanical Club, 1930-1932. 
1. Twenty-five Years of Plant Physiology, 1910-1935, 
DR. RODNEY H. TRUE, 
Professor of Botany and Director of the Botanic Garden, University of 
Pennsylvania. 
Director of the Morris Arboretum. 
in charge of Physiological Investigations, U. 
Physiologist, S. Depart- 
ment of Agriculture, 1902-1920. 
Vice-president and Chairman of Section G (Botany), American Asso- 
1) 
ciation for the Advancement of Science, 1920. 
2. Light on Vegetation, 1910-1935, 
X. JOHN M. ARTHUR, 
Boyce Thompson Institute for Plant Research. 
3. Twenty-five Years ie . cology, 1910-1933, 
DR. H. A. GLEASO 
Head Curator, New ea Botanical Garden, 
Director, Botanical Garden and Arboretum, University of Michigan, 
1915-1919. 
Editor, The Botanical Review. 
4. Twenty-five Years of Forestry, 1910- 1935. 
PROF. SAMUEL N. SPRING 
Dean, New York State College of Morest 
Professor of Forestry, University of Maine, 
State I*orester, Connecticut, 1909-1912. 
Professor of Silviculture, Cornell University, 
, Syracuse University. 
5, 
1903-190 
1912-1932. 
