CHAPTER XXVII 



ROOTS 



Function. By roots we generally mean that part of 

 the plant which is underground. This position at once 

 suggests the most obvious use of roots, that of anchor- 

 ing the plant. The fact that a 

 plant will not grow unless the roots 

 are placed in suitable soil, which 

 must be kept moist, suggests a 



\S. 87. .Dandelion Jb'ig. 88. Carrot, a 



showing a tap root. fleshy tap root. 



second important function for roots; namely, to 

 absorb from the soil water and substances iri solution. 



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