CHAPTER SECOND. 



ROOTS AND STEMS. 



EXERCISE VII. 

 Roots. 



WHEN you are gathering plants, you will observe their 

 roots. There are two classes of roots that are easily dis- 

 tinguished. Try to decide, in each case, in which one of 

 these classes the root in hand should be placed. Figs. 59 

 and 60 are examples of these two different classes. In Fig. 



FIG. 60. 



FIG. 59. 



60 a mass of fibers grows downward from the base of the 

 stem. Roots which grow in this fashion are called fibrous 

 roots. But when you find a root which seems like a 



