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By the curator of public instruction: 
January 21. Trees. Two lectures before Girls’ High School 
. Annex. 
May 31. Porto Rican Rusts. Torrey Botanical Club. 
September 14 and 15. The Brooklyn Botanic Garden. Two 
lectures before the biology teachers of Erasmus Hall High 
School and Boys’ High School. 
September 19. The Brooklyn Botanic Garden. Before class 
from Brooklyn Teachers’ Training School. — 
October 21. A botanical trip to Porto Rico. Science Room 
Conference, Brooklyn Academy of Music. 
December 30. A peculiar rust from Porto Rico. Bot. Soc. 
Am. and Am. Phytopath. Soc., Columbia University. 
By the curator of plant breeding: 
March 20 and April 3. Heredity, variation and environment. 
Pratt Institute Class, Brooklyn Botanic Garden. 
December 28. The inheritance of cotyledon color, cotyledon 
shape, and foliage color in peas, with special reference to. 
linkage and other inter-relations of factors. Bot. Soc. 
Am., Columbia University. 
December 29. Variation and heredity in peas. Am. Soc. Nat., 
Columbia University. 
By the curator of elementary instruction: 
January 25. Address at the graduation exercises of P. S. No. 
30. 
March 1. Garden work for children. Ladies’ Aid Society, 
Jamaica. 
March 7. Children’s garden work. School of Horticulture, 
Ambler, Pa. 
March 23. Home gardens. Berkeley Institute. 
March 29. Forestry. Technical High School, N. Y. C. 
May 3. Gardens. New Paltz Normal School, New Paltz, N. 
NY: 
July 7. What the Brooklyn Botanic Garden is doing for chil- 
dren, Garden Section of the N. E. A., New York City. 
Sept. 18. Garden Work. Teachers’ Institute, Central Mu- 
seum. 
Nov. 22. Trees. Berkeley Institute Assembly. 
