178 THE FIRST BOOK OF BOTANY. 



Observe the lower joints of the stem in the plants 

 of a cornfield. Look at a good many of them. Can 

 you tell whether the branches you see growing on 

 this part of some of the stalks are stem-like or root- 

 like? 



Observe the stem of ivy. Notice the little fingers 

 it puts out for support. Are they stems or roots ? 



Would you now say that all the parts of plants 

 growing above-ground are stems? Would you say 

 that all the parts of plants growing underground are 

 roots ? 



CHAPTER X. 

 FRUIT. 



EXEECISE LXVII. 

 What is Fruit? 



PLUCK from the vine of the pea or bean several 

 pods of different ages, from one still enveloped by the 

 flower, to one that is full grown. Compare the 

 youngest pod you have gathered with Fig. 192. What 

 part of the pistil becomes the pod ? Compare it with 

 Fig. 193. How many carpels has the ovary of the 

 bean or pea ? 



Observe the contents of this pod. 



What name is given to these little soft bodies ? 



Answer. O'vules. 



Compare these ovules with the contents of a full- 



