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as well as the files of independent journals devoted to the various 
phases of plant life. The library is specially rich in publications 
of foreign countries and has a growing collection of incunabula 
and other pre-Linnean works. 
ann 
sibliographical assistance is rendered to reac 
the Library staff. 
An annotated list of the incunabula, pre-Linnaean works, old 
herbals and other rare or historically important books in the Li- 
brary was published as the July, 1935, number of the Botanic 
Garden Recorp. Copies are for sale at 40 cents each. 
ers by members of 
Laboratory Building 
The Laboratory Building contains (besides offices of adminis- 
tration and the Library and Herbarium mentioned above) four 
— 
aboratory rooms, a culture room, three classrooms with stere- 
opticon and other equipment for instruction, a room for the in- 
stallation of temporary exhibits, six private research rooms, and 
an auditorium seating about 570 and equipped with motion picture 
machine, stereopticon, and lecture table supplied with water, gas, 
and electric current for lectures involving experimental work. 
Instructional Greenhouses 
A range of three greenhouses, each about 20 x 30 feet, is pro- 
vided for the practical instruction of children and adults in plant 
propagation and other subjects. 
Children’s Room 
A gift of $1,500 in 1921 from Mrs. Helen Sherman Pratt, 
supplemented in 1923 by a further gift of $500 from Mr. George 
D. Pratt, has made it possible to provide a beautifully decorated 
room for the use of the Boys’ and Girls’ Club. Any boy or girl 
who is enrolled, or has been enrolled, in any of the children’s 
classes at the Garden is eligible for membership in this club, which 
now numbers about 1,000 active members. The room contains 
shelves for a nature-study library, of which a nucleus has already 
been secured, and is equipped with stereoscopic views, photographs, 
and preserved and living specimens of plant life, for the instruction 
