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students who have taken that course. Further study of plant 
propagation methods: arrangement of plants in hanging baskets, 
f certain house plants 
~ 
window boxes, dishes, ete.; special culture 
and winter-flowering greenhouse plants; methods of work ob- 
tained from Miss Dorward’s recent study at the School of Hor- 
ticulture, Swanley, England. Two credits. Fee, $10. Tuesdays, 
4 pam., beginning October 6. Miss Dorward. 
B8. Plant Culture—A course of twenty weeks duration for 
those who have completed Elements of Horticulture and Green- 
house Work. Work is entirely in the greenhouse. No Board of 
Education credits are given for this course. Fee, $10. Thurs- 
days, 4 p.m., beginning October 15. Miss Shaw. 
*B10, Flowering Plants: Field and Laboratory Study.— 
Thirty sessions. The object of this course is to become acquainted 
with species of wild flowering plants (including weeds), and to 
learn how to identify them. Field and laboratory work are dis- 
tributed according to the weather, the season, and the needs of 
the class. The field work is done in the Brooklyn Botanic Gar- 
den. ‘The laboratory work consists of examining flowering plants 
and identifying them by means of a key, and of pressing, drying, 
and mounting plants for permanent specimens. Prerequisite: an 
elementary course in botany. ‘Two credits. /’ee, $10. Wedues- 
days, 4-0 p.m., beginning September 23. Miss Rusk. 
*B13-14. 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, $10. Satur- 
days, 2:30 pan., October 3rd to December 12 (omitting November 
28); and April 17 to June 19, 1937. 
Dr. Graves and Miss Vilkomerson. 
B17. Genetics.—Thirty class meetings and fifteen two-hour 
laboratory periods. An introductory course in heredity and varia- 
tion, including discussion of Mendelian principles, the physical 
basis of heredity, sex linkage, factor linkage, factor interaction, 
—_" 
and quantitative inheritance. Laboratory work on plant material 
