AGRICULTURAL BOTANY 



119 



which also grows on the stem or its branches. The 

 life of the plant culminates in the seed, which it is the 

 whole office of the plant to produce, for the seed, con- 

 taining as it does the germ of another plant, is an im- 

 portant means of perpetuating the species. 



Celery Kohl-rabi Potato 



FIG. 45. Stems used for Food. 



Sugar cane 



Food Products from Plants. Food products are 

 obtained from all parts of the plant. The root may be 

 enlarged by storage of food, as in the beet, carrot, sweet 

 potato, and turnip. 



