FORESTS OF MOUNT RAINIER NATIONAL PARK. 



25 



and is often a much smaller tree. It produces cones at the age of 5 

 to 7 years. The foliage is a yellowish green. At high elevations the 

 leaves have a peculiar whorled appearance which gives it a different 

 aspect from that of the other pines. The short, heavily limbed trunk 

 bears no resemblance to the tall and slender shaft of the lodgepole 

 pine of the Rocky Mountains. The root s} r stem is shallow and the 



FIG. 18. The feathery foliage of mountain hemlock (Tsuga mertensiana), 



Grand Park, Mount Rainier National Park. 



Photograph by A. II. Denman. 



tree is easily fire Killed. The wood of the variety which grows in 

 the park is of no commercial value. 



MOUNTAIN HEMLOCK (TSUGA MERTENSIANA) . 



The mountain hemlock (figs. 18, 19, and 20) is found on the Pacific 

 coast from the Sierras of California to the northern part of Alaska 



