89 
December 30. Endemism in the flora of the vicuuty of New 
York. Botanical Society of America, Columbus, Ohio. 
By the curator of plant breeding: 
March 22. Heredity, variation and environment with demon- 
stration material. Pratt Institute Class, Brooklyn Botanic 
Garden. 
April 28. Mendelism and its relation to the problems of 
evolution and heredity. Torrey Botanical Club, New 
York Botanical Garden. 
August 23. The crossing of flowers. Southampton Garden 
Club, Southampton, L. I 
September 9. Studies of inheritance in Pisum. Twentieth 
Anniversary Exercises. New York Botanical Garden. 
By the assistant curator of public instruction: 
February 14. How to start a garden. The Jewish Orphanage, 
Brooklyn. 
February 22, |WVhat the Brooklyn Botanic Garden does for 
the children of Brooklyn. Brooklyn Woman’s Club. 
March 3. Children’s gardens. High School, Princeton, N. fe 
March 19. Gardening at home. Kindergarten Alumnae As- 
sociation of The Ethical Culture School, Manhattan. 
May 14. Children’s gardens. National Plant, Flower and 
Fruit Guild, New Rochelle, N. Y. 
June oe Children’s gardens. The Garden Club, Princeton, 
v. J. 
ie pea Five nature study lectures. Summer School of 
Winthrop College, Rock Hill, S. C 
September 6-11. Five nature study lectures. Teachers Insti- 
tute, Anderson, Ind. 
October 26. Nature study in the home. Pratt Kindergarten. 
Alumnae, Brooklyn, 
By the head gardener: 
October 25. Alpine and rock plants. Garden Club of Orange 
and Dutchess Counties, Cornwall, N. 
November 29. Soils. Natural History Club of Commercial! 
High School, Brooklyn. 
