180 



Since there is intense competition for every foot of the eartli's 

 surface that is capable of raising plants, it follows that every spot 

 will liave many kinds of plant inhabitants. Plants must live 

 together. They associate. They become adapted or accustomed to 





^^^] 



J 



95.-^4 plant society imiting for the spring. 



each other. Some can live in shade ; they thrive in the forest, 

 wliei'c sun-loving plants perish. Others prefer the sun, and tliereb}^ 

 live together. There are ])lant societies. 



Every distinct or separate area has its own plant society. There 



is one association for 

 \ \i s M' ^w «. the hard tramped 



(loor-vard, — k not- 

 weed and broad-" 

 leaved plantain with 

 interspersed grass 

 and dandelions ; one 

 for the fence-row, — 

 briars and choke- 

 cherries and hiding 

 weeds ; one for the 

 dry open field, — 

 wire-irrass and mul- 

 lein and scattered 

 docks; one for the 

 slattern roadside, — sweet clover and ragweed and burdock; one for 

 the meadow swale, — smartweed and pitchforks; one for the barn- 



280 



96. — Weak, narrow -leaved grasses grow in the cat-tail 



forest. 



