FOEESTS OF MOUXT EAIXIER XATIOXAL PARK. 



13 



lock is. however, superior to the eastern hemlock, and its value will 

 probably be recognized as its usefulness for many purposes becomes 

 better known. 



WESTERN WHITE PINE (PIXTTS MOXTICOLA). 



The western white pine (fig. 8) is found from southern Alaska to 

 northern California. In the park it occurs occasionally up to 4,000 



FIG. 7. A forest of Douglas fir, with an understory of western hemlock, on the 



lower slopes of the hills, Mount Rainier National Park. 



Photograph by A. II. Denman. 



feet. It usually grows on level benches and gentle slopes associated 

 with Douglas fir, western hemlock, and noble and amabilis fir. It 

 reaches its best development at elevations of from 3.000 to 3,500 

 feet, where it attains a height of 150 feet and a diameter of 10 inches. 

 The shaft is straight, cylindrical, and clear of limbs. It bears a small, 

 narrow crown of drooping branches. In open areas, where it is 

 exposed to sunlight, its mode of growth is wholly different. The 



