Ch. V] WARM TEMPERATE MOIST WINTER DISTRICTS 509 



here allow the development of the grasses during winter, and edaphic influences may 

 also favour them. The soil, as the cultivation of wheat shows, is admirably suited 

 for the successful growth of grasses. 



Wherever original conditions have not been altered by man the sclero- 

 phyllous trees and shrubs of districts with a moist winter always form dense 



