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metabolism, are also discussed. Fee, $5. Thursdays, 4 p.m., be- 
ginning October 7. Dr. Graves. 
2. Fall Courses 
C4. Gardening in the Fall.—Six lessons, with practical work 
in the greenhouse, on the methods of making cuttings, the various 
kinds of bulbs for fall planting, their treatment and care, the 
proper management of house plants, and a discussion of the kinds 
suitable for cultivation. On account of restricted space in the 
greenhouse, this class must be limited to 40. Registration accord- 
ing to the order of application. Fee, $3.00. Thursdays, 4 p.m., 
September 30 to November 4. Mr. Free. 
Cs. Trees and Shrubs in their Winter Condition Fight 
outdoor lessons in the Botanic Garden and elsewhere in Greater 
New York on the characteristics of our common trees and shrubs, 
both native and cultivated, emphasizing their distinguishing fea- 
tures in the winter condition. Ice, $4.00. Saturdays, 2: 30 p.m., 
October 2 to November 20. Dr. Graves. 
3. Spring Courses 
Ci. Plants in the Home.—How to grow them. Six talks 
with demonstrations. Practice in potting, mixing soils, making 
cuttings, etc. This course deals with the principles to be followed 
in raising plants. The members of the class have the privilege of 
keeping the plants they have raised. (Not offered in 1927.) 
Mire tres: 
C3. The Flower Garden.—Making the most of it. Five les- 
sons. How to improve soils and get results from planting; old- 
fashioned flowers; annuals; summer bedding; vines for screening 
unsightly objects; rose culture; growing of ornamental shrubs; 
pruning; how to make a lawn and maintain it. Fee, $2.50. 
Thursdays, 4 p.m., February 17 to March 17. Mr. Free. 
C7. Evolution in the Flowering Plants——Three illustrated 
lectures, followed by visits to the conservatories. (Not offered in 
1927. ) 
Cr2. The History of Botany.—Three illustrated lectures. 
1. Natural science of the ancients and Middle Ages. 2. The study 
of plants from the discovery of America to Linnaeus and the 
