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and south Africa, date palm, coconut palm, chocolate tree, coffee, 
tea, ginger, bamboo, mahogany, balsa, 
cocaine plant, black pepper, 
annatto (used in coloring butter and cheese), cardamom, olive, 
pomegranate, logwood, durian, mango, sugar cane, avocado (so- 
called “alligator pear”), West Indian and other rubber plants, 
banvan, religious fig of India, and numerous others. 
It may be of interest to teachers of botany that the nine extant 
genera of cyeads are represented in House 12. To reach the 
Cycad House take the first door to the /eft after entering the cen- 
tral or Economic TTouse 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). 
Herbarium 
The Garden herbarium consists at present of about 200,000 
specimens, including phanerogams, ferns, mosses, liverworts, 
lichens, parasitic and other fungi, algae, and myxomycetes. This 
collection may be consulted daily (except Sundays and holidays) 
from 9 a.m. until 5 p.m., Saturdays from 9 a.m. to 12m. Speci- 
mens submitted for identification will be gladly received. Address 
the Curator of the Herbarium. 
Library 
The rapidly growing library of the Garden comprises at present 
more than 18,600 volumes and about 15,000 pamphlets. This is 
not a circulating library, but is open free for consultation to all 
a daily (except Sundays and holidays) from 9 a.m. until 
\ p.m. (Saturdays, 9 to 12). Nearly 1,000 periodicals and serial 
eal ome devoted to botany and closely related subjects are 
regularly received. These include the transactions of scientific 
societies from all quarters of the globe; the bulletins, monograp 
reports, and other publications of various departments of the 
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1s, 
United States Government, as well as those of foreign govern- 
ments, and of all state agricultural experiment stations and agricul- 
tural colleges; the publications of research laboratories, universi- 
ties, botanic gardens, and other scientific institutions of the world, 
