242 



FOREST TREES OF THE PACIFIC SLOPE. 



Forest generally 1,100 to 5,000 feet; Yakima division Washington National Forest gen- 

 erally at 1,600 to 3,500 feet ; Mount Rainier National Forest generally at 2,500 to 5,800 

 feet ; noted locally on Natches River near mouth Nile Creek, Mount Adams, canyons 

 Yakima River, Umptanum Creek, and Columbia River between Priest Rapids and Sen- 



Fig. 105. — Populus tremuloidea, California form. 



tinel Bluffs in Saddle Mountains, at Wenas (Yakima County), Egbert Springs (near 

 Trinidad on Columbia River. Douglas County), divide between Columbia and Yakima 

 rivers (Kittitas County), Darling Mountains, Colville Indian Reservation, vicinity Pull- 



