DTVKlKiKXCK (>F CH V.RAC I I R 



213 



together^ and thereby tht area may support mon plants than 

 would I" possibh if only om hind wen growing on it. This 

 principle has been called by Darwin the divergence of 

 character. When an area is occupied by one kind of 



< in i he top "i .in i :> i! r<>ri 



plant, another kind maj grov between or beneath, Oulj 

 rarelj <l" plants of close botanical relationship grow to- 

 gether in compacl communities. A field which is full of 

 corn maj grow pumpkins between. Fig. 358. A full 

 meadow maj grow white clover in the bottom. In :i dense 

 wood berbs maj erow <>n tin- foresl floor. W Inn an 



