TORREYA 



Vol. 42 May-June No. 3 



The Torrey Botanical Club 



Seventy-fifth Anniversary Celebration 



June 22 to June 27, 1942 



Monday, June 22. 



10:00 a.m. to 12:30 p.m. Registration. Rotunda, Low Memo- 

 rial Library, Columbia University. — General informa- 

 tion about accommodations in Johnson Hall, Livingston 

 Hall, and King's Crown Hotel available at registration. 

 2 :00 to 4 :30 p.m. Scientific Program. Room 305 Schermerhorn 

 Hall. Sectional chairman : Dr. Edwin B. Matzke. 

 "The History of Botany at Columbia University." Dr. 



John S. Karling. 

 Symposium on Morphology. 



1. "Haphazard as a Factor in the Production of Tetra- 



kaidecahedra." Dr. F. T. Lewis, Harvard Medi- 

 cal School, Cambridge, Mass. 



2. "The Evolution and Determination of Sexual Char- 



acters in the Angiosperm Sporophyte." Dr. C. E. 

 Allen, University of Wisconsin, Madison, Wis. 



3. "The Leaf-Stem Relationship in Vascular Plants." 



Dr. R. H. Wetmore, Harvard University, Cam- 

 bridge, Mass. 



4. "Problems of Pattern in Plant Development." Dr. 



E. W. Sinnott, Yale University, New Haven, 

 Conn. 

 4 :30 to 6 :00 p.m. Tea and Torrey Exhibit. Rotunda, Low 



Memorial Library. 

 7:00 p.m. Anniversary Banquet. Men's Faculty Club, 117th 

 St. and Morningside Drive. 

 Presentation of President of the Torrey Botanical Club, 



Dr. C. Stuart Gager Dr. John S. Karling 



Presentation of officially appointed delegates 



Dr. John S. Karling 

 ToRREYA for May-June (Vol. 42, 65-103) was issued June 5, 1942. 



65 



