( 328 ) 
Specimens examined: La Cumbre Peak, Santa Ynez Mountains, 
Abrams 4315; Deep Creek, San Bernardino Mountains, Abrams 
2067; The Pines, Santa Ana Canyon, San Bernardino Mountains, 
Abrams &% McGregor 811; Santa Ana Mountains, near Elsinore, 
Dutton, 1897; near Julian, Cuiamaca Mountains, Vasey, June, 1880. 
g. Pinus Murrayana Balfour, Rep. Bot. Exped. Oreg. 2, pl. 3, 
853. 
Pinus contorta Murrayana Engelm. Bot. Calif. 2: 126. 1880. 
Type locality: “On the Siskiyou Mountains.” 
Distribution: The lodge-pole pine extends from southern 
Alaska south and east to southern Colorado and Utah, and on 
the Pacific Coast along the higher altitudes of the mountain 
ranges to Mt. San Pedro Martir, Lower California. In southern 
California it is confined to the Canadian Zone, seldom being found 
below 2400 meters. 
Specimens examined: North Baldy, San Gabriel Mountains, 
Abrams &§ McGregor 624; Mount San Antonio, Abrams 1946; Bear 
Valley, San Bernardino Mountains, 4brams 2080; Mount San Gor- 
gonio, Leiberg 3280; Abrams & McGregor 78r. 
ro. Pinus aTTENUATA Lemmon, Gard. & Forest 5: 65. 1892. 
Pinus californica Hartw. Journ. Hort. Soc. 2: 189. 1847. Not 
Loisel. 1812. 
Pinus tuberculata Gord. Journ. Hort. Soc. 4: 218. 1849. Not 
Don 37. 
Type locality: “To the south of Monterey, in lat. 36°, near 
the level of the sea, and growing almost to the beach.”? The 
locality given here is that for P. tuberculata, since P-. attenuata 
was based upon that species. 
Distribution: The knob-cone pine extends from Mackenzie 
River, Oregon to the San Bernardino Mountains. In southern 
California it is limited to a narrow belt along the southern slope 
of the San Bernardino Mountains in the vicinity of the City Creek 
Canyon. Upper Sonoran. 
Specimens examined: San Bernardino Mountains, on the City 
Creek road, altitude 875 meters, Abrams 2802, 
