30 DEPARTMENT BULLETIN 863, U. S. DEPT. OF AGRICULTURE. 



without young growth is like a community without children — it will 

 die out. Need for large numbers of young trees for perpetuation of 

 the forest. Competition and shading out of the weaker seedlings 

 and saplings. 



How the forest travels: (a) By wind; (b) by animals, birds, and 

 water. (Fig. 16.) 



Age groups of young growth: (a). Seedling, (b) small sapling, 

 (c) large sapling, (d) small pole. 



Fig. 17. 



-Woods with plenty of young growth coming on to take the place of the larger 

 trees when cut. 



Starting a young forest by direct seeding or transplanting nur- 

 sery grown seedlings. Sowing the seed direct where the trees are 

 wanted. Kinds of trees started this way: Usually the species diffi- 

 cult to transplant on account of large, deep taproots, such as hick- 

 ories, walnuts, some of the oaks, longleaf and some other pines. 

 Collecting the seed. Storing the seed over winter. Sections of the 

 country (north) where seed sowing is best done in the spring and 

 (south) where it may also be done in the fall or early winter. Prep- 

 aration of the soil and method of planting seed of different kinds. 

 Care of growing seedlings, 



