VOL. Iv. ] Trees of Southern California. gee 
Diego County; until recently the only known locality for this 
species, hes a second small grove has been siete on Santa 
Rosa Isla 
Pinus sine Dougl. ‘‘ Yellow Pine.’’? Noble tree 200 
feet high, with a trunk diameter of six feet. Fls. June. Ridges 
and slopes, or of a larger size on flats, at from 4000 to 11,000 feet 
altitude, throughout the San Bernardino Range, the San Jacinto 
and Cuyamaca Mountains, forming the greater part of the con- 
iferous forest. 
Pinus Jeffreyi Balf. ‘‘ Biack Pine.’? Denser-headed tree, 75 
feet high, the trunk 3 feet in diameter. Range of the last, 
usually on flats or near streams; scattered and not abundant, and 
probably absent above 8000 feet altitude. 
Pinus Murrayana Balf. Spreading tree 50 feet high, trunk- 
diameter, 2 feet. Grayback Mountain, scattered through the 
upper part of the yellow pine belt, between 10,000 and 11,000 
feet altitude. (Wright.) A few small groups on low gravelly 
points at the lower end of Bear Valley, in the San Bernardino 
Mountains, at 6000 feet altitude. 
Pinus Sabiniana Dougl. ‘‘Sierra La Liebre, descending 
nearly to Antelope Valley.’”’ J/erriam,N. A. Fauna vii, 336. 
This is the only authentic locality in the Southern counties. It 
has been reported (Orcutt, rst Calif. For. Rept., 50) from San 
Diego County, but apparently erroneously. 
Pinus Coulteri Don. ‘‘ Big-cone Pine, Bull Pine.” Some- 
what spreading tree, 50 feet high, trunk-diameter 2% feet. 
Usually on dry ridges, less frequently on gravelly benches (Mill 
Creek), at from 5000 to 6000 feet altitude, in the San Bernardino 
and San Jacinto Mountains. 
Pinus tuberculata Gordon. P. attenuata Lemmon, Min. & Sci. 
Press, Jan. 16, 1892; Gard. & For. v. 65; N. Am. Conebearers 
10; Erythea.i, 229. Sudworth U. S. For. Rept. 1892, 329. 
Coville Death V. Rept. 221. Regular and handsome tree, 
branched from the ground, 15 feet high, trunk, 8 inches 
in diameter. An interrupted belt, 5 miles long and one- 
half mile wide along the southern slope of the San Bernardino 
Mountains, at about 3000 feet altitude, from Hast Twin Creek to 
