54 MISSOURI BOTANICAL GARDEN BULLETIN 
12. Forcing anp Grow1rnc Mernops. 
(a) Firowrrs. Forcing of flowers under glass by heat, 
cold, etherization, hot water, steam, electricity, hydrochloric 
acid, light, darkness, special cultural treatment. October to 
December. 
(b) Frurrs. The growing and forcing of grapes, peaches, 
nectarines, figs, cherries, strawberries, pineapples, etc., under 
glass. January to March. 
(c) VEGETABLES. The growing and forcing of lettuce, 
radishes, cauliflower, tomatoes, melons, cucumbers, aspara- 
gus, rhubarb, etc., under glass; sub-irrigation, soil steriliza- 
tion, ete. April to September. (Erdman) 
13. Puanr Breepine. The principles and practice of 
plant breeding. Hybridization and selection. The origin 
of horticultural varieties. April to September. 
(Svetlikoff) 
14. Lanpscape GArpENING. Lectures on history and 
theory with discussion of modern practice; drafting, tracing, 
lettering, enlarging, reducing, blue prints, rendering plans, 
methods of filing, ete. October to March. (Noyes) 
15. Pure Desicn. Theory, with discussion of general 
principles of art in relation to landscape work; the study of 
outdoor composition and rough sketching or photography of 
“landseape pictures.” April to June. (Noyes) 
16. Lanpscapge Desten. Lectures, practice in designs for 
parks, playgrounds, private estates, home grounds, formal 
gardens, subdivisions, ete. July to September. (Noyes) 
17. American Frower Garpen. Flowering trees, 
shrubs, perennials, and annuals used in landscape designs 
and private gardens in this country. Intended to familiarize 
the student with the variety of flowering material at his dis- 
posal, together with the facilities of various nurseries and 
growers in America. April to September. (Ohlweiler) 
18. Sorts. A consideration of the soil as a medium for 
root development and as a reservoir for the storage and con- 
servation of water. Water movement, capillarity, aération, 
temperature, natural minerals, soil organisms, etc. October 
to December. (Ohlweiler) 
19. Ferriiizers. Function of manure and commercial 
fertilizers, including a special study of nitrates, nitrites, phos- 
phates, pa 2 gS ape etc. A résumé of the present status — 
of the subject with special reference to horticultural uses. 
January to March. ; (Ohlweiler) 
