CHAPTER VII 



THE ROOT THE FORMS OF ROOTS 



The Root System. The offices of the root are to /tola 

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

 materials, however, are gathered by the roots. 



FIG. 31 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 roor, which 

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



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