De I. VNER VEW D Forest Trees of the Pacific Slope

FOREST TREES OF THE PACIFTC SLOPE. 127
BRITISH COLUIMBtA.-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 IDean or Salmon River, mountains of Fraser
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-Both sides of Cascades, generally at 1,000 to 6,000 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 I'uget Sound. J.oally noted in Olymtpics on headwaters of Queniult River.
Washington National Forest, west section, at 500 to 6,500 feet; east section, only along
Stehekin River, Bridge, Early Winter, and Rattlesnake creeks, at 1,800 to 6,500 feet;
southern section, at 900 to 6,300 in Skykomish, Tolt, Snoqtalmie, Cedar, Green,
White, Yakima, and Wenache river valleys. Mount Rainier National Forest, both sides of
FIG. 49.-Abtes aenabilis, tupper branch: a, seed.
Cascades, at 800 to 5,500 feet ; Mount Rainier, at 2,500 to 5,000 feet; Eagle Mountain,
between 5,000 ani 6,000 feet; Mount Adams.
OREGON.-Both sides of Cascades and northern coast range. In Cascades, at 2,000
to 5,400 feet and maitily on west side, but at higher elevations on east side ; southward
to extreme southern headwaters of Willamette River and Old Bailey Mountain
(west side of Crater Ilake). North side of Mount Ilood, 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).
OCCURRENCE.
On well-drained, lower slopes of canyons, benches, and flats. Shows some preferenca
generally for north exposures, but in Olympics and Cascades more abundant and at lower