SILVICULTURAL SYSTEMS. 



United States. Just as the Sprout Forest systems are 

 chiefly useful to produce fuel, posts, ties, and trees of 

 small size, so the Seed Forest systems are producers 

 of sawlogs and large timbers. 



REGULAR SEED FOREST. 



When a tract of woodland is destroyed by fire in one 

 of the Rocky Mountain States, it often happens that 



FIG. 12. Seed forest of lodgepole pine in Idaho. 



the seeds of the lodgepole pine are scattered over it by 

 the wind in prodigious numbers. The seeds germinate 

 abundantly, seedlings spring up, and in a very few 

 3 T ears a young even-aged forest of lodgepole pine 

 111605 3 



