133 
9:45 P.M. 
Inspection of new building and of exhibit on genetics. 
SATURDAY, APRIL 21 
10:00 A.M. 
Session for the reading of scientific papers. Pror. HERBERT 
M. Ricuarps, President of the Torrey Botanical Club; Professor 
of Botany in Barnard College, presiding. 
125320) PN: 
Luncheon for invited guests. 
2:00 P.M. 
Conference with teachers of biology and nature study. Dr. 
Cyrus A. Krna, President of the Department of Botany of the 
Brooklyn Institute of Arts and Sciences, Head of the Depart- 
ment of Biology of Erasmus Hall High School, Brooklyn, 
presiding. 
3:30 P.M. 
Inspection of new building and of exhibit on genetics. 
4:30 P.M. 
Afternoon tea, served by the Woman’s Auxiliary. 
The programs for the scientific sessions on Friday and Satur- 
day were as follows: 
ScIENTIFIC PROGRAMS 
Friday, April 20—10 A.M. 
Dr. R. A. Harper, Torrey Professor of Botany, Columbia 
University, presiding. 
1. A. F. BLaKEsLee and B. T. Avery, Station for Experimental 
Evolution, Carnegie Institution: “A vegetative reversion 
in Portulacca.” (5 min.) 
> E. M. East, Bussey Institution of Harvard University : 
“Tntercrosses between self-sterile plants.” (10 min. ) 
3. E. C. Jerrrey, Harvard University : “ Evolution by hybridiza- 
tion.” (15 min.) 
