FOREST TREES OF THE PACIFIC SLOPE. 



127 



British Columbia. — Sea side of Coast Range, probably from Alaska southward, but 

 recorded only from Queen Charlotte Islands and a point opposite north end of Vancouver 

 Island southward, at 4,000 to 5,000 feet, on Dean or Salmon River, mountains of Eraser 

 River Valley (below Yale) ; also in Vancouver Island, on Mount Monk, Mount Benson, 

 and Mount Arrowsmith, and on southwest side, from sea level to about 3,000 feet. 



WASHINGTON. -Roth sides of Cascades, generally at 1,000 to (5,000 feet; in Olympics. 

 at 1,200 to 4,500 feet, and down nearly to sea level on the west side, but not in lowlands 

 about Pugel Sound. Locally noted*in Olympics on headwaters of Queniult River. 

 Washington National Forest, west section, at 500 to 6,500 feet; east section, only along 

 Btehekin River, Bridge, Earl; Winter, and Rattlesnake creeks, at 1,800 to 6,500 feet; 

 southern section, at 900 to C.oOO in Skykomish, Tolt, Bnoqnalmie, Cedar, Green, 

 White, Yakima, and Wenache river valleys. Mount Rainier National Forest, both sides of 



Fig. 40. — Abies amabilis, upper branch: a, seed. 



Cascades, at 800 to 5,500 fee! : Mount Rainier, at 2,500 to 5,000 feet; Eagle Mountain, 

 between 5,000 and 6,000 feet; Mount Adams. 



OREGON. Both sides of Cascades and northern coast range. In Cascades, at 2,000 

 to 5,400 feet and mainly on west side, but at higher elevations on east side; south- 

 ward to extreme southern headwaters of Willamette River and Old Bailey Mountain 

 (west side of Crater Lake). North side of Mount Hood, at 3.700 feet to timber line; 

 southwest side, from a little below Government Camp to timber line. Coast Range 

 southward to Saddle Mountain (25 miles south of Columbia River). 



OCCURKKNCK. 



On well-drained, lower slopes of canyons, benches, and Hats. Shows some preference 

 generally for north exposures, but in Olympics and Cascades more abundant and at lower 



