193 
house. No Board of Education credits are given for this course. 
Fee, $15. Thursdays, 4 p.m., beginning October 19. Miss Shaw. 
B9. Economic Plants.—Thirty sessions. The most impor- 
tant economic plants of the world are considered—their history, 
culture, formation of their useful products, and the extraction and 
preparation of the latter by man. Herbarium specimens and other 
material, as well as living plants in the conservatories and planta- 
tions of the Garden will be used for demonstrations. Because of 
its practical applications, this course will be of especial value to 
teachers. Two credits. Fee, $15. (Not offered in 1933-34). 
Dr Cheney. 
B10. Trees and Shrubs of Greater New York.—Twenty 
two-hour sessions. A course of outdoor lessons in the parks and 
woodlands of Greater New York, the principal object being to gain 
a ready acquaintance with the common trees and shrubs of the 
eastern United States, which are well represented in this region. 
The species are considered in systematic order, in both winter and 
summer conditions, and the features pointed out by which they 
may most easily be recognized. Two credits. Fee, $15.  Satur- 
days, 2:30 p.m., September 30 to December 2; and April 14 to June 
16 inclusive. Dr. Graves, Miss Vilkomerson and Mr. Doney. 
C. Children’s Courses 
The following courses are open to all boys and girls. [Enroll- 
ment in these courses entitles the boy or girl to membership in the 
Boys’ and Girls’ Club of the Brooklyn Botanic Garden. Papers 
by members of the Club, on various botanical and horticultural 
subjects, are read at the meetings, and the speakers are then entitled 
to a silver pin, providing they have satisfactorily completed work 
for their bronze medal and have received it. For information 
concerning the Children’s Room, the Children’s Building, and the 
Children’s Garden, see pages 205-206 
C1. Fall Greenhouse Work ihe following courses are 
given for boys and girls interested in greenhouse work and _ bo- 
tanical nature study. The fee is ten cents. 
Miss Dorward, Miss Jenkins, and Miss Miner. 
Class A.—Open to boys and girls from eight to twelve years 
old. Saturday mornings at 9:15. October 21 to December 23. 
