THE WOODS IN THEIR SUMMER FOLIAGE 237 



animals, they, no doubt, often plant seeds, which their prey 

 happened to be carrying. 



Many birds and mammals depend on trees and shrubs for 

 their food and for shelter. Do they in turn render any impor- 

 tant service to the plants which feed and shelter them ? What 

 becomes of the young trees and shrubs that happen to grow 

 right under the old ones ? Have you ever observed the 

 flowers that grow on burnt-over timber land? 



