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Exhibitions 
The Brooklyn Botanic Garden exhibition at the Seventh An- 
nual Exposition of Women’s Arts and Industries, at the Hotel 
Astor, for the week beginning October 1, was in charge of the 
Department of Elementary Instruction. Two other exhibitions, 
featuring the educational work of the Garden, were staged during 
the year by this Department, in cooperation with the Department 
of Elementary Instruction. The exhibit at the International 
lower Show, March 19, 1924, at the Grand Central Palace, Man- 
hattan, had as its central feature the evolutionary “tree” of the 
plant kingdom, arranged much as it now appears in House Number 
2 of the Conservatories. A special Leaflet, ‘“ The story of plant 
evolution,” was prepared by Dr. Gundersen in connection with 
the exhibit of the evolutionary “tree,” and distributed to visitors. 
Specimens of plants and plant materials which the Garden dis- 
tributes to schools were also exhibited, as well as samples of petri 
dishes filled with agar. A display of petri dishes which had been 
Seg ae in various places by Haaren High School pupils of Dr. 
C, Benedict attracted much attention, and a special Leaflet, 
prepared by Dr. Benedict, entitled “ How bacteria are studied in 
high school science classes,’ was distributed. In order that the 
work of the Garden on the conservation of our native plants 
might be represented, several plants were exhibited of the Hart’s 
Tongue Fern, a rare species which the Garden is propagating 
for distribution in suitable localities. Dr. Benedict wrote a Leafiet, 
‘“ How shall we save rare plant species from extinction? ”, which 
was given out to those interested. The background of the ex- 
hibit was occupied by the flower panels from the Children’s Room, 
depicting the seasonal procession of the flowers, a map of the 
world showing the various points of the globe to which the Gar- 
den publications are sent, and various photographic enlargements 
of juvenile and adult classes at the Garden. A model of the 
Children’s House and Gardens occupied one end of the booth, and 
a Wardian case containing growing plants, and also seedlings and 
cuttings raised by the Children’s classes, were displayed at the 
opposite end. Leaflets on the children’s classes, the flower panels, 
the children’s garden, and the Wardian case were distributed. 
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