CLOVER 



283 



takes place is in the 

 little nodules or swell- 

 ings on the roots. The 

 agents which work the 

 transformation are bac- 

 teria. These bacteria 

 form with the legumes a 

 close, mutually helpful 

 relationship called sym- 

 biosis. 



210. Clover. Four 

 kinds of clovers demand 

 notice, the red, the 

 crimson, the white, and 

 the alsike. 



a. Red clover can be 

 recognized by a pale spot on the face of the leaflets. 

 Two kinds of red clovers are grown, the " medium " 

 and the "mammoth." As a rule, "red clover" means 

 the " medium red." In the eastern part of the United 



RED CLOVER. 



RED CLOVER SEED. NATURAL SIZE. 



