224 
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 p.m., September 29 to December 15; and April 13 to 
June 15. (Omitting October 13, December 1, and April 20.) 
Dr. Graves and Miss Vilkomerson. 
*B15-16. Economic Plants.—Thirty sessions. The most 
important 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 plantations 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, $10. 
Mondays, 4 p.m., beginning October 8. Dr. Cheney 
B2. Nature Study.—A thirty hour course in two-hour ses- 
sions. Seven sessions in the fall; eight sessions in the spring. 
lor teachers only, A concentrated course in alertness for Na- 
ture Curators,y designed to be of specific help in planning school 
nature eee supplying material, and preparing and exhibiting 
plant specimens. Two credits. Class limited to 40 members. 
Fee, $10. Tuesdays and Thursdays, 4 p.m., fall term beginning 
October 2; spring term beginning 4 pril 25, 1935. 
Miss Miner and Miss Dorward. 
N.B.—Any student in this class desirous of finishing thirty 
hours during the fall may have, beginning Tuesday, October 30 
one two-hour period a week on Nature Projects for Classrooms 
with Miss Shaw as instructor. (See Educational Principles of 
— 
— 
( 
Children’s Gardening and Nature Study, B4, for extra hours sup- 
plementing spring session. ) 
B3. Principles of MHorticulture—Thirty sessions. For 
teachers only. Open to beginners and to former members of 
+ In each Public School of New York City one teacher is selected as the 
garden teacher to be held responsible for the school garden in that school. 
‘The special duty of the Nature Curators will be to assist the principal as 
he shall direct in using for nature study any or all of the nature contacts 
that may be available in his school. . Credit tor salary increment, equiva- 
lent for one year, will be given to ai nature curators who complete an ap- 
proved thirty hour course in natural science or related subjects.” 
