185 
F. Demonstration Experiments.—Teachers may arrange to 
have various physiological experiments or demonstrations con- 
ducted at the Garden for the benefit of their classes. Communica- 
tions in regard to these matters should be addressed to the Curator 
of Public Instruction. 
G. Loan Sets of Lantern Slides.—Sets of lantern slides have 
been prepared for loan to the schools. Each set is accompanied 
by a short lecture text of explanatory nature. In all cases these 
sets must be called for by a responsible school messenger and re- 
turned promptly in good condition. Address, by mail or telephone, 
Mr. Frank Stoll. The subjects now available are as follows. 
Other sets are in preparation. 
— 
1. Plant Life 4. Fall Wild Flowers 
2. Spring Wild Flowers 5. Forestry 
3. Common Trees 6. Conservation of Native Plants 
i BUREAUSOR PUBLIC INFORMATION 
Consultation and advice, and the facilities of the laboratories, 
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 fol- 
lowing subjects : 
1. Plant diseases and determination of fungi. 
2. Plant geography and ecology. 
3. Determination of flowering plants. 
4. The growing of cultivated plants and their arrangement; also 
their adaptation to soils, climate, and other factors. 
5. The care of trees, shrubs, and lawns, and general gardening 
problems. 
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 impossib 
— 
oe 
* For information as to membership consult the third page of the cover 
of this Prospectus. 
