THE ART OF THE SECOND GROWTH 



Species of Trees 



Douglas Fir 



Western Yellow Pine. 

 Engelmann Spruce. . . 



Sugar Pine 



Jeffrey Pine 



Lodge Pole 



Sitka Spruce 



Western Red Cedar . . 

 Western White Pine. . 

 Eastern White Pine . . 



Noble Fir 



Grand Fir 



AmabiUs Fir 



Magnifica Fir 



Red Pine 



Arizona Cypress 



Big Tree 



Pounds per Acre 



In the case of seedspots, Mr. R. Zon figures on spots 12-20 

 inches square, with the sod tllro^vn on the South side, or else below 

 the spot, the spots to be spaced 6 by 6 feet, and 12 seeds (only) to 

 be used per spot. 



The cost, per acre, incurred by the Forest Service for direct 

 seeding in the National Forests depends on the character of the 

 land, the method used, and on the species of trees to be raised. 

 JNIr. R. Zon gives the following figures for three different classes 

 of land seeded directly: 



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