WHY MAN CULTIVATES PLANTS 147 



(2) Stone, or Prune Fruits. 



(a) Cherries. 

 (6) Peaches. 



(c) Plums. 



(d) Prunes. 



(e) Apricots. 



(3) Grapes. 



(4) Small Fruits. 



(a) Strawberries. 

 (6) Raspberries. 



(c) Blackberries and Dewberries. 



(d) Currants. 



(e) Gooseberries. 



(5) Citrus Fruits. 



(a) Oranges. 



(b) Lemons. 



(c) Grapefruit. 



(We shall study these fruits in Chapter XXI.) 



V. Plants known as Vegetables, which are cultivated for 

 their Leaves, Seeds, Fruits and Underground Parts. — 



(1) For the Leaves. 



(o) Lettuce. 



(b) Cabbage. 



(c) Spinach. 



(d) Celery. 



(2) For the Seeds. 



(a) Peas. 



(6) Beans. 



(c) Corn (Sweet). 



(3) For their Fruits. 



(a) Tomatoes. 



(6) Melons. 



(c) Pumpkins and Squashes. 



(d) Cucumbers. 



