180 
Trurspay MorNING 
9:00 — 10°30 O'clock 
REGISTRATION 
INSPECTION OF EXHIBITS IN LABORATORY BUILDING 
AND CONSERVATORIES 
10:30 — 1:00 O'clock 
ITORTICULTURAL PROGRAM 
Presiding: MR. JOHN C. WISTER, 
Director, Arthur Hoyt Scott Horticultural loundation, Swarthmore 
College, Swarthmore, Pa. 
Secretary, The Pennsylvania Horticultural Society. 
Vice-president, John Bartram Association, 
Secretary, American Rose Society, 1921-1923 
President, The American Iris Society, 1920-1934. 
1. Twenty-five Years of Horticultural Progress, with Special Reference to 
Foreign Plant Introduction, 1910-1935, 
DR. W. E. WHITEHOUSE, 
Senior Horticulturist, U. S. Department of Agriculture. 
I’xplorer, Bureau of Plant Industry, U. S. D. A. 1929-1930. 
Westover-Whitehouse Expedition, U. S. Dept. Agr., to France, Ger- 
many, Russia, and Persia, 1929, 
2. Opportunities for Women in Tlorticulture, 1910-1935. 
DR. KATE BARRATT, 
Principal, The Swanley (England) Horticultural College. 
Lecturer in Botany, Imperial College of Science and Technology, Lon- 
don, 1913-1932. 
o Growing Plants in Sand with the Aid of Nutrient Solutions: With Spe- 
ody to Practical Applications. 
PROF. C. H. CONNORS 
Head of i the Department a Floriculture and Ornamental Horticulture, 
New Jersey Agricultural Experiment Station. 
Professor of Ornamental Horticulture, Rutgers University. 
4. Modern Methods of Plant Propagation, 
DR. P. W. ZIMMERMAN, 
Plant Physiologist, Boyee Thompson Institute for Plant Research. 
5. Plant Patents. 
COL. ROBERT STARR ALLYN, 
Author of The Mirst Plant Paients (New York, 1934). 
Deputy Commissioner of Sanitation, New York City. 
6 Motion Picture. Naturalized Plant Immigrants. 
. Department of Agriculture, Bureau of Plant Industry. 2 Reels. 
