235 



and south Africa, date ])alm. coconut palm, chocolate tree, coffee, 

 tea, ginger, hamboo, mahogany, balsa, cocaine plant, pepper, 

 annatto (used in coloring butter and cheese), cardamom, olive, 

 pomegranate, logwood, durian, mango, sugar cane, avocado (so- 

 called ** alligator pear"). West Indian and otlier rubber plants, 

 banyan, religious fig of India, and numerous others. 



It may be of interest to teachers of botany that the nine extant 

 genera of cycacls are re]>resented in House 12. d"o reach the 

 Cycad House take the first door to the left after entering the cen- 

 tral or Economic House and pass through to the end house. 



The Conservatories are open April 1 to October 31, 10 a.m.- 

 4:30 p.m. (Sundays, 2-4:30) ; November 1 to March 31, 10 a.m.- 

 4 p.m. (Sundays, 2-4). 



BUREAU OF PUBLIC INFORMATION 



Consultation and advice, and the facilities of the library and 

 herbarium are freely at the service of members of the Botanic 

 Garden and (to a limited extent) of others with special problems 

 relating to plants or plant products, especially in the following 

 subjects : 



1. Tlie care of trees, shrubs, and lawns, and general gardening 



problems. 



2. The growing of cultivated ])lants and their arrangement; also 



their adaptation to soils, climate, and other factors. 



3. Determination (naming) of flowering plants. 



4. Plant diseases and determination of fungi. 



5. Plant geography and ecologw 



Inquiries should be directed to the Curator of Public Instruc- 

 tion, preferably by letter. 



Determination of Specimens. — If the identification of plants 

 is desired, the material submitted should include flowers, and fruit 

 when obtainable. Identification of a single leaf is often impos- 

 sible. For identification of plant diseases, representative portions 

 of the part diseased should be sent. 



DOCENTRY 



To assist members and others in studying the collections, the 

 services of a docent may be obtained. Arrangements should be 



