FOREST TREES OF THE PACIFIC SLOPE. 421 



and on Russian River at north end of Ukiah Valley to and beyond Willets ; rare near 

 sea, growing 5 or 6 miles back ; noted between Gualala and Fort Bragg, Upper Big River, 

 and divide between Ukiah and head of Big River. Sonoma County: Near coast on road 

 (o Plantation House; Austin Creek Canyon (south of '"azadero) ; Lower Russian River 

 from Duncan Mills nearly to mouth, and eastward to Guerneville and Forestville ; Dutch 

 Bill gulch. Camp Meeker, Occidentalis to south edge of redwood forest, near Freestone; 

 east of Occidentalis to Green Valley ; between Meeker and Sebastopol : Middle Russian 

 River (southward from Mendocino County). Southeastern Sonoma County: Sonoma 

 Creek northward in Sonoma Valley ; Glen Ellen, Beltane, Sonoma Mountains and those 

 between Sonoma and Napa Valley ; canyon between Knights and Alexander valleys; 

 extreme northeastern Sonoma County; Big Sulphur Creek at Geysers, and up canyon 

 to Socrates Basin and over divide into Lake County. Here about Russian River, cast of 

 Healdsburg, and north of Cloverdale. Marin County: Mount Tamalpals, common; Kent- 

 field and westward ; San Geronimo and Lagunitas valleys. Paper Mill Creek ; hills west 

 ol' San Rafael ; Mill valley to Sausalito ; south end of Tomales Bay, and on Inverness 

 Ridge on west side of bay. Stony Creek National Forest, only on Eel River drainage of 

 western border. Lake County: From Mount St. Helena eastward to within 2 miles of 

 Middletown, and from west of Middletown westward up Cobb Mountain and into Sonoma 

 County. Napa County: Southward in Napa Valley, on west side, to and beyond Oak- 

 ville ; upper Napa Valley to and beyond Calistoga ; east of St. Helena, and on smith 

 side of Mount St. Helena up to Toll House; on west side of ridge south from Mount St. 

 Helena on east side of Napa Valley. Solano County: Few isolated trees in Jameson 

 Canyon from Green Valley westward, and perhaps elsewhere. Alameda County: Canyon 

 about Mission Peak southeast of old San Jose Mission. Santa Clara County: Hills 

 bordering Coyote Creek near Gilroy Hot Springs; Mount Hamilton range. San Mateo 

 ami Santa Cruz counties: Common on both sides of Santa Cruz range; noted from Boul- 

 der County to Big Basin and on road from Los Gatos westward, west of Stanford de- 

 scending to east base of range and common about I'ortola ; following Santa Cruz Moun- 

 tains southward from sea level to summits occurs in hills east of Monterey Bay nearly 

 to Watsonville. Monterey County: Not detected about Monterey nor on Monterey Pe- 

 ninsula, except a few trees in canyons on Point Tinos at 400 to 500 feet. Common on 

 coastal summits of Santa Lucia Mountains, at 800 to 4,250 feet, in watersheds of Sur, 

 Carmelo, Arroyo Seco, San Antonio, and Nacimiento rivers ; noted at north base of 

 Santa Lucia Leak in gulch leading to head of Milpitas Valley, and west of Santa Lucia 

 Peak in canyon of Arroyo Seco. San Benito County: Locally noted on north side of 

 Fremont Peak only a few hundred feet below summit ; also lower down on east slopes 

 of San Juan Canyon and in other gulches about north base of mountain ; in a gulch on 

 west side of San Juan Valley 2 miles north of San Juan. San Luis Obispo Mountains, 

 in Salinas, Santa Margarita, and San Luis river basins; noted at San Luis Obispo at 



2,000 feet. Southern cross ranges eastward to San Gabriel Mountains; north slo] t 



Santa Ynez Range, at 1,000 to 3,500 feet, with best growth at Refugio Pass, and at 

 head of Rattlesnake Creek (Cold Spring trail), at 2,500 feet; in San Rafael Range, 

 only on west slopes of Big Pine Mountains and on Mount Medulce, in cool canyons at 

 ;;.0iio to 4.000 feet; Santa Monica Mountains, a few shrubby plants in Los Tunas Can- 

 yon; San Gabriel Range, small group on Mount Wilson ami in narrow belt on the Sturte- 

 vant Trails, at about 3,000 feet. Reported also from San Bernardino Mountains. Sierra 

 foothills, abundant but usually distributed in patches and small areas. Rare in Shasta 

 County; occurs sparingly along McCloud River for about 15 miles north of fish hatchery 

 at Baird, and near Winthrop on Squaw Creek. General in foothills of Lassen Peak and 

 Plumas National forests up to about 2,500 feet. Butte county: On the road from Oro- 

 ville to Quincy from a gulch about 4 miles north of Bidwell Bar, at an altitude of 

 about 1,200 feet, northeastward to •'Junction House" (deserted station — altitude, 3,500 

 feet) about 3 miles south of Merrimac Stage station, thence into Little North Fork 

 Canyon. Yuba County: Yuba Pass road, abundant in canyon of North Fork Yuba River 

 on east side of Oregon Hills, thence to and beyond Camptonville, above which it enters 

 west end of Sierra County. Nevada County: Common near Crass Valley, particularly on 

 north slope of ridge about 1^ miles east of Grass Valley. Tahoe National Forest, in 

 lateral canyons of North Fork of Feather River and between Camptonville anil Middle 

 Fork of Yuba River, at 2,'300 to 3,200 feet. Placer Comity: Common on mad from 

 Colfax south to forest Hill; also on south side of North Fork Amerk-an River Canyon 

 between Colfax and Iowa Hill, and for several miles east of Iowa Hill. Stanislaus 

 National Forest, rather abundant at a few points in middle timber belt at about 2.500 

 to 4,000 feet, but especially so and of large size on headwaters of Sutter, Pioneer. Mill, 

 and Jesus Maria Creeks; smaller and less frequent on Empire Creek, between Garden 

 Valley and Georgetown, and on Otter Creek (tributary Middle Fork American River); 

 extensive area in southern part of Amador County beginning about 3 miles east of Pine 



