FOREST TREES OF THE PACIFIC SLOPE. 151 



to Fall River region, where it occurs near Dana and in Big Valley Mountains between 

 Fall River Valley and Big Valley, thence southward to north slopes of Lassen Peak ; 

 south of Pitt River, westward to Montgomery ; Sacramento River Canyon southward 

 to near Gregory, and on McCloud River to near Baird. Throughout west side of Sierras, 

 at 3,500 to 6.000 feet in northern part, but to 7,500 feet on Long Valley drainage, 

 and at 3,500 to 7.000 feet in southern part of Sierras ; reaches east side at 7,000 feet 

 only on Washoe Mountains near Carson, Nev. Lassen Peak, Plumas, and Diamond 

 Mountains National Forests, generally at 2,000 to 6,500 feet. Lassen County: North- 

 western corner in Big Valley Mountains, beginning 5 or 6 miles west of Bieber ; east 

 of Big Valley on Willow Creek about 10 miles south of Adin, and thence to Hayden III11 ; 

 westward from a little west of Susanville into north Plumas County and southeastern 

 Shasta County. Plumas County: Nearly throughout north part - common from Susan- 

 ville westward by Mountain Meadows. Big Meadows, Drakes Hot Springs, and Morgan, 

 and about Greenville and Indian valleys; Sierra Valley to Qnlncy and westward into 

 Butte and Tehama counties. Tehama County: From east boundary westward down to 

 about 3, -400 feet altitude a little east of Lyonsville. and a few miles farther north stops 

 about 10 miles east of Paine Creek Post-Office ; western Tehama County, west of Paskenta 

 at 3.700 feet, and thence westward. Butte County: From east boundary westward to 

 Magalia, and farther south (Quincy-Oroville road) to within 4 or 5 miles of Bidwell 

 Bar. Yuba ('mint//: Common in Oregon Hills, and down west side to ridge between 

 Oregon Hills and Oregon House Flat, which appears to be its western limit ; from Ore- 

 gon Pills eastward on North Fork of Yuba River and adjacent slopes to Camptonville 

 and on into Sierra County. Sierra Count//: Common in Woodruff Canyon north of 

 Mountain House, and (on North Fork Yuba) to and beyond Downieville and Sierra 

 city, thence up Yuba Pass road to about 6,000 feet; slope of Yuba Pass just east of 

 summit, and down to near west border of Sierra Valley; south of Sierra Valley, from 

 Sierraville southward nearly to Nevada County. Vevada and Placer counties: West 

 slope of Sierras from Cisco to Emigrant Gap and Blue Canyon (in both counties i, down 

 to Colfax and to Bear River and to near Grass Valley: south of Colfax, on cold slopes 

 of North Fork American River, and from Iowa Hill eastward to Folks House: Forest 

 Hill and Devils Canyon diet ween Forest Hill and Colfax) ; south of Colfax a few 

 trees as low as Weimer. Stanislaus National Forest, generally at 2,000 to 7,000 feet, 

 but mostly at 3,500 to 5,500 feet. Eldorado County: Common at south end of Lake 

 Tahoe ; gulches near Placerville eastward on colder slopes; canyon of South Fork Web- 

 ber Creek between Newtown and Pleasant Valley; south of Pleasant Valley, in canyon 

 of North Fork Cosumnes River ; common on road from Placerville to Lake Tahoe from 

 about 2,300 feet up to Echo at 5.500 feet. Alpine County, noted near Hot Springs 

 (about 4 miles west of Markleeville). Amador County: Noted about Oleta (about 

 1,800 feet) and southeastward to Deadmans Creek, Dry Creek, and Sutter Creek can- 

 yons near Volcano; common from Pine Grove eastward to and beyond Pioneer ; continues 

 southwestward from Pine drove on ridge on south side of Middle Fork of Jackson 

 Creek to within 4 miles of Jackson, where it stops at about 1,500 feet. Calaveras 

 County: Common about West Point and northward to main canyon of Mokelumne 

 River ; southwest of West Point, on road to Mokelumne Hill, in canyon of South Fork 

 Mokelumne River, and at point 2 miles east of Rich Gold; southeast of West Point, 

 in canyons of Middle and South Forks of Mokelumne River and at Railroad Flat, 

 thence to Mountain Ranch (Eldorado) ; west of latter, follows San Andreas road to 

 about 1,500 feet, where it stops 6 miles east of this town ; Mokelumne Pass road In 

 extreme eastern part of county about 10 miles below Bloods at about 6.600 feet, and 

 westward to and beyond Bigtrees, here abundant among sequoias and sugar pines. 

 From here ion road 1 southwestward to within a few miles of Murphy. Tuolumne 

 County: Sonora Pass road between Tuolumne and Soulsbyville, at Black Oak station 

 west of Tuolumne, and eastward and northeastward past Cold Spring and Eureka val- 

 leys, reaching 8.000 feet on west side of Sonora Pass ; north slope of ridge immediately 

 north of Big Oak Flat, and on cool slopes in higher parts of Deer Creek canyon; on 

 road from Big Oak Flat to Crockers from crossing of South Fork of Tuolumne River 

 to Crockers; common from Crockers eastward and northward to [letch Hetchy Valley, 

 here abundant in upper part; follows Tioga road to Aspen Meadow (about 6.200 feet) ; 

 common from Crockers southward for several miles on Yosemite road. Mariposa County: 

 Yosemite Valley and up above Little Yosemite to about 7,000 feet : north side of valley near 

 Yosemite Falls, about 1,500 feet above valley : on west follows road to Crockers to a little 

 above 5.800 feet; south side of Yosemite Valley common on road to Wawona, and from 

 Chinquapin on slope toward Glacier Point to about 7.100 feet ; from Wawona on Raymond 

 stage road clown to 3,000 or 3,100 feet, to within 3 or 4 miles of Wassama 1 Aim ahnee t ; 

 Coulterville-Yosemite road, begins on summit of plateau 4 or 5 miles east of Coulterville, 

 at 3,000 to 3,200 feet, and goes eastward in pine forest to beyond Bower Cave and Bull 

 Creek and into Yosemite Valley ; Chowchilla Canyon and neighboring gulches down to 



