157 
By the Curator of Plant Pathology (Dr. Reed): 
May 10. Genetics of oat smut resistance. Class in teaching of 
biology, New York University. At the Garden. 
November 24. Some illustrations of genetics. The Students 
League of the Calhoun School, New York City. At the 
Garden. 
November 27. Some illustrations of genetics. Biology Class, 
Eastern District High School. At the Garden. 
By the Horticulturist (Mr. Free): 
March 6. /veryday garden problems. Binghamton ( 
Garden Club. 
March 11. New plant material. Stamford (Conn.) Garden 
Club. 
April 1. Problems of the city gardener. Brooklyn Heights 
Garden Club. 
May 7. Rare shrubs. National Association of Gardeners, 
Greater New York Branch. At the Garden. 
May 21. Rock gardens. Garden Club of Darien (Conn.). 
July 28. Increasing plant material. Nathan Hale Garden 
Club, Huntington, L. T. 
September 9. Plant propagation. Long Island Horticultural 
Society, Farmingdale, L. I 
September 26. Fundamentals of rose growing. School for 
Rosarians, West Grove, Pa. 
October 7. Flowering shrubs. Nyack (N. Y.) Garden Club. 
December 17. Ways and means of growing alpines. American 
Rock Garden Society, New York City. 
Neseye) 
b 
By the Resident Investigator (Economic Plants) (Dr. Cheney): 
February 21. Action of Drugs on the Respiration of Plant and 
Animal Cells. The Anaphy Biology Honor Society, Long 
Island University. 
May 10. Plants to Quench America’s Thirst. New York 
Botanical Garden. 
May 20. Newer Therapeutic Plant Principles. Symposium 
on Medical Plants and Pharmacology. New York Asso- 
ciation for the Advancement of Professional Pharmacy. 
Hotel Pennsylvania, New York City. 
