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REPORT OF THE SUPERVISOR OF PUBLIC INSTRUCTION 
Dr. N. L. Britrron, Direcror-1n-CHIEF. 
Sir: J have the honor to submit the following report for 
the year 1gI19g. 
Among the various facilities for public instruction at the 
New York Botanical Garden, the following may be men- 
tioned: 
Collections of living and dried plants and plant products 
prominently exhibited and carefully labeled; natural 
woodlands, fields, and meadows, with all that they contain 
of beauty and interest; floral exhibitions at stated inter- 
vals; a system of docentry by means of which the collec- 
tions may be visited every week-day under expert guidance; 
lectures and demonstrations adapted especially to the 
children in the public schools; garden lectures for those 
interested in special phases of botany and horticulture; 
and regular public lectures covering a wide range of botani- 
cal and horticultural subjects. 
Instruction has been given free to the public during 1919 
in the manner suggested above, as well as by extensive 
correspondence, personal interviews, etc. 
Lectures 
Recutar Pusuic Lectures 
Illustrated public lectures on botanical and horticultural 
subjects have been given in the museum building on 
Saturday afternoons from April to November, as outlined 
below. The attendance for the year has averaged 87 for 
each of the 31 lectures; the maximum attendance being 
232 on September 20. 
April 5. “The Advent of Spring, with Illustrations of 
Spring Flowers,” by Dr. N. L. Britton. 
April 12. “Scenic Features of North Amedean Moun- 
tains,” by Mr. Leroy Jeffers. 
April1g. “The Place of Trees in Men’s Affairs,” by 
Mr. Carl Bannwart. 
April 26. “Some, Interesting Tropical Trees,” by Dr. 
W. A. Murrill. 
