(27) 
November 9. ‘‘ The Progress of the Development of the 
New York Botanical Garden,” by Dr. N. L. Britton. 
November 16. ‘‘ Edible Roots of the United States,” by 
Dr. H. H. Rusby. 
ScHooL LEcTuRES 
A series of lectures was given in the spring under the 
auspices of the Board of Education in connection with the 
nature study work of 4B and 5B grades of the City Schools. 
These lectures were at first confined to the pupils of the Bronx, 
but in the autumn of 1906 they were extended to those of 
Division III, Manhattan. 
Grade 4B 
Lecture I, ‘* Cultivation of Plants,” by Mr. George V. 
Nash, was given to groups of pupils on April 19, April 22, 
April 26, April 29, and May 3. 
Lecture II, ‘* Seedless Plants,” by Dr. Marshall A. Howe, 
on May 6, May 10, May 13, May 17, and May 24. 
Grade 5B 
Lecture [, ‘Industries Depending on Forests. Plant 
Products,” by Dr. H. H. Rusby, on April 16, April 18, April 
23, April 25, and April 30. 
Lecture I, ‘«‘ Woody Plants and Plants without Wood. 
Protection of Trees in Cities,” by Dr. C. S. Gager, on May 
2, May 7, May 9, May 14, and May 21. 
Lecture III, ‘* Classification of Plants,” by Dr. N. L. 
Britton, on May 16, May 23, May 28, May 31, and June 4. 
Scientiric MEETINGS 
The botanical conventions, held bi-weekly in the library 
on Wednesday afternoons, have been interesting and well 
attended. A list of the principal topics discussed at these 
conventions during the past year is as follows: 
January 23. ‘* Nature Study as an Education,” by Miss 
Mary P. Anderson. 
February 6. ‘* A Photomicrographic Apparatus,” by Dr. C. 
