155 
Utter, L. Gordon and Floyd F. Smith 
Iris Thrips and methods for control. Amer. Iris Soc. Bull. 81: 
46-57. April. 
APPENDIX 3 
TALKS, LECTURES, ADDRESSES, AND PAPERS GIVEN 
BY THE BOTANIC GARDEN PERSONNEL 
DURING 1941 
By the Director: 
May 7. Parks and botanic gardens. Nat. Assoc. of Gardeners, 
New York City branch. At the Garden. 
Oct. 28. LHorticulture in the days to come. Long Island Horti- 
cultural Society. Bethpage, L. I. 
By the Curator of Public Instruction (Dr. Graves): 
January 10. Conservation. P.S. 42, Manhattan. 
March 6. Breeding new chestnut trees. Englewood Garden 
Club, Englewood, N. 
March 25. The onal program at the Brooklyn Botanic 
Garden. ‘Teachers’ conference at P. S. 42, Manhattan. 
April 9. Medicinal plants and the doctrine of signatures. So- 
ciety for Biology and Medicine, Brooklyn College. 
April 10. Breeding the chestnut. Classes from Girls Commer- 
cial High School. 2 talks. At the Garden. 
April 16. Breeding the chestnut. Class from Lincoln H.S. At 
the Garden. 
May 1. Forestry and conservation. Arbor Day exercises. 
Brooklyn High School for Homemaking. 
May 7. Conservation. Address at planting ceremonies, Eras- 
MOUS? Hl, 
May 14. Conservation and forestry. Closing address of con- 
servation week, Erasmus H. S. 
June 3. Conservation of Wild Flowers. P.S. 42, Manhattan. 
November 24. Hconomic Plants. P.S. 42, Manhattan. 
December 18. Breeding the chestnut tree. Science Clubs, 
Eastern District H. S. 
