JOURNAL 
The New York Botanical Garden 
Vou. X. March, 1909. No. IM. 
SPRING LECTURES, 1909. 
Lectures will be delivered in the lecture hall of the museum 
building of the Garden, Bronx Park, on Saturday afternoons, at 
4:00 o'clock, as follows : 
April 24. ‘A Winter in Jamaica,” by Dr. William A. 
Murrill. 
May 1. ‘Spring Flowers,” by Dr. Nathaniel L. Britton. 
May 8. ‘How Plants Grow,” by Dr. Herbert M. Richards. 
May 15. “ eli : How to Know and Cultivate Them,”’ 
by Mr. George V 
May 22. “ Ce Seaweeds in Tropical Waters,” by Dr. 
Marshall A. Howe. 
May z9. ‘Vanilla and Its Substitutes,” by Dr. Henry H. 
June 5. “The Selection and Care of Shade Trees,” by Dr. 
William A. Murrill. 
June 12. ‘The Ice Age and Its Influence on the Vegetation 
of the World,” by Dr. Arthur Hollick 
June tg.“ Haiti, the Negro Rese as seen by a Botanist,”” 
by Mr. o V. Nas 
June 26. ‘Some Aeaehen Botanists of Former Days,” by 
Dr. ios H. Barnhart. 
July 3. “An Expedition up the Peribonca River, Canada,” 
by Dr. Carlton C. Curtis. 
July 10. Fi eeths Experiences in the West Indies,” by 
Dr. Nathaniel L. Brit 
The lectures will : simuaeed by lantern slides and otherwise. 
47 
