to 



243 



yninospenns and reptiles. (4) Cenozoic life : flowering plants 

 and mammals. {Not offered in 1930-31.) 



Dr. Graves, Dr. Gundersen, and Dr. Svenson. 

 A17. Glimpses of the History of Botany. — Four ilhistratcd 

 leetures, with suhjects as follows: (1) Prc-Linnaean l)otanists. 

 (2) Some early plant physiologists. (3) Early botanical explora- 

 tion in North America. (4) Modern trends in systematic l^otany. 

 Fee, $2. Fridays, 4 p.m., January 30 to February 20. 



Dr. Gundersen, Dr. Graves, and Dr. Svenson. 



Al. Plants in the Home. — How^ to groAA' them. Five talks 

 with demonstrations. Practice in potting, mixing soils, making 

 cuttings, etc. This course deals with the principles to be fol- 

 lowed in raising ]:)lants. The members of the class have the 

 privilege of keeping the plants they have raised. On aeeoiint of 

 restricted space in tlic greenhouse, iliis class must be limited to 40. 

 Registration according to the order of application. Fee. $5. Fri- 

 days, 4 p.m., February 27 to March 27. Mr. Free. 



A8. Plant Families. — Eight outdoor lessons in the liotanic 

 Garden, taking up the structure of flowers and the cliaracteristics 

 of the more important plant families. (A^of offered in 1931.) 



Dr. Gundersen. 



A9. Trees and Shrubs of Greater New York. — 'Wn outdoor 

 lessons at the Garden and elsewhere in Greater New York, the 

 principal object l)eing to gain a ready acquaintance with the com- 

 mon trees and shrubs of the eastern United States, which are well 

 re])resented in this region. The species are considered in sys- 

 tematic order, and the features pointed out by which they may be 

 most easily recognized ; also their habits, rate of growth, economic 

 value and use, methods of planting and propagation ; importance in 

 forestry, horticulture, and landscape art. Fee, $5. Saturdays, 

 2 :30 p.m., March 28 to June 13. {Omitting April 4 and May 30.) 



Dr. Graves. 



A18. Ornamental Shrubs. — Eight weekly field tri])s dealing 

 with the shrubs used in ornamental planting, their habits, uses, and 

 l)otanical relationships. Idie classes are held out-of-doors, Aveather 

 permitting, in the Piotanic Garden and in Prospect Park. lh\\, $4. 

 IVednesdays, 4 p.m.. April 22 to June 10. Dr. Gundersen. 



