CHAPTER VII 



THE ROOT — THE FORMS OF ROOTS 



The Root System. — The offices of the root are to hold 

 the plant hi place, and to gather food. Not all the food 

 materials, however, are gathered by the roots. 





Fig. 32. — Tap-root 

 System of Alfalfa. 



Fig. 33. — Tap-root of the Dandelion. 



The entire mass of roots of any plant is called its root 

 system. The root system may be annual, biennial or peren- 

 nial, herbaceous or woody, deep or shallow, large or small. 



Kinds of Roots. — A strong leading central root, which 

 runs directly downwards, is a tap-root. The tap-root forms 



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