(es 
A22. Plants of Tropical America.—Sia Wednesdays, 3 p.imn., 
January 13 to February 17. Guided tours through the Conserva- 
tories of the Botanic Garden, with informal, non-technical talks on 
plants there which are important economically or of especial in- 
terest. No fee. 
January 13 and 20. Food and beverage plants. 
January 27. Rubber, gum, and medicinal plants. 
February 3. Fiber plants. 
February 10. Desert plants. 
February 17. Insectivorous plants and air plants. 
Dr. Graves, Miss Rusk, Miss Ashwell. 
A34. Ornamental Shrubs: Winter Course.—Fight Wednes- 
days, 4 to 5:15 p.m., January 13 to March 3. A series of meet- 
ings for the study of herbarium specimens and illustrations, with 
some time devoted to the various methods of propagation. ce to 
non-members, $4. Mr. Doney. 
50. Herbaceous Plants: Winter Course.—TJen Wedies- 
days, 11 to 12:30, January 13 to March 17.. A series of meetings 
for the study of pressed specimens and illustrations of herbaceous 
plants, arranged by families. Fee to non-members, $5. 
Dr. Gundersen and Miss Clarke. 
SPRING 
A8. Trees in the Botanic Garden.—Ten Mondays, 4:15 to 
5:30 p.m., April 12 to June 14. Outdoor meetings in the Botanic 
Garden to study more than 100 species of trees, native and culti- 
vated, growing in the Garden, including their economic uses and 
value in landscape art. ee to non-members, $5. 
Dr. Graves, Dr. Gundersen. 
*AQ. Trees and Shrubs in Spring and Summer.—Ten Satur- 
days, 2:30 p.m., April 10 to June 12. Outdoor lessons in the parks 
and woodlands of Greater New York. Similar to A5, except that 
the different species are studied in their spring and summer condi- 
tions. fee to non-members, $5. Dr. Graves, Miss Ashwell. 
All. Wild Flowers and Ferns: Field Course.—Six Satur- 
days, 2:30 p.m., April 24 to June 5 (omitting May 29). Trips in 
