128 



PLANT BIOLOGY 



fruits, like apples and peaches; and seeds and grains, like 

 beans, wheat, and corn. 



136. Suggestions for further study of plants used as food. 



Study No. 58.- (Optional.) Visit a vegetable market, make a list 

 of the various plant products sold for food, and arrange them in 

 a table as follows : 



Select one or more of the following topics for special study: wheat, 

 corn, potatoes, oats, rice. Consult Bailey's " Cyclopedia of Ameri- 

 can Agriculture," Vol. II, " Crops," any encyclopedia, or the publi- 

 cations of the U.S. 

 Department of 

 Agriculture. De- 

 termine (1) the parts 

 of the United States 

 (or of the world) 

 in which the crop 

 is raised in large 

 quantity, (2) the 

 amount and value 

 of a year's crop, (3) 

 methods of harvest- 

 ing and preparing 

 the crop for the 

 FIG. 62. Tea plant. (Bailey.) market. 



137. Uses of plants for flavoring extracts, beverages, and 

 medicines. We saw in a previous section that many parts 

 of plants are available for use as food by man. Because, 



