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been granted to 21 advanced students and investigators 
during the year, as recorded in the report of the Director of 
the Laboratories hereto appended. The experimental garden 
at the nurseries has been operated in conjunction with the 
laboratories under the immediate direction of Dr. Stout, 
and several students have availed themselves of these 
facilities for work in plant genetics. 
The tropical laboratory at Cinchona, Jamaica, rented from 
the Jamaica Government ten years ago was taken back 
by the Jamaica authorities at the termination of our lease, 
and will be maintained by them as a scientific station, to 
which properly credited students will be admitted. 
Public Instruction 
The Saturday afternoon public lectures from April 5 to 
November 29 had an average attendance of 92 auditors. 
Lectures and demonstrations to children and teachers of 
the public schools were given from April 22 to May 14. 
Instruction and guidance by docents has been accomplished 
during the year whenever application has been made for 
this assistance. A complete record of the educational work 
and of publications issued is given in the report of the Assis- 
tant Director hereto appended. 
Fleral Exhibitions 
The exhibitions of plants and flowers held monthly during 
the summer in cooperation with the Horticultural Society 
of New York attracted large numbers of visitors. As 
previously, these were installed in the basement of the 
museum building. 
Exploration 
In codperation with the Carnegie Institution of Wash- 
ington, an expedition was organized in January for further 
studies of the West Indian flora, with special reference to 
the cacti; an account of the work of this expedition will be 
found in Garden Journal for May, 1913. Collections were 
made in the Virgin Islands, on St. Croix, St. Kitts, Antigua, 
Porto Rico, Santo Domingo and Curacao; important addi- 
