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By the distribution to schools of study material for classes 
in botany, biology, and nature study. 
VI. By public lectures and educational motion pictures at the 
Botanic Garden. 
VII. By maintaining labelled collections of living plants, ar- 
ranged systematically, ecologically, and otherwise on the 
grounds and in the Conservatories of the Garden. 
VIII. By the herbarium, containing specimens of preserved plants 
from all parts of the world. 
IX. By maintaining a reference library on plant life and related 
subjects, open free to the public daily (except Sundays 
and holidays). 
X. By the following periodicals and publications issued by the 
Botanic Garden: 
1. American Journal of Botany (Monthly, except Au- 
gust and September ). 
2. Ecology (Quarterly ). 
3. Genetics (Bimonthly ). 
4. Brooklyn Botanic Gare 
— 
en ReEcorp, including Annual 
Report and Guides (Quarterly). 
5. Leaflets (Weekly or biweekly in Spring and Fall). 
6. Contributions (Irregular). 
7. Memoirs (Irregular). 
8. Miscellaneous : 
Syllabi of lectures. 
Guide sheets for classes. 
Announcement cards and circulars. 
Bibhographies. 
Miscellaneous books and booklets. 
XI. By popular and technical articles in journals and the public 
press, including regular “ News Releases’? concerning 
Botanic Garden activities and events. 
NIT. By the maintenance of a Bureau of Pu 
seas 
yic Information on 
all phases of plant life. 
XIII. 
-— 
sy providing docents to accompany members and others 
who wish to view the collections under guidance. 
XIV. By the installation of botanical and horticultural exhibits at 
