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2. PSEUDOTSUGA. Dovuctas Fir. 
1. PSEUDOTSUGA MACROCARPA (Torr.) Mayr. Wald. Nordam. 278. 
1890. 
Abies Douglasiit macrocarpa Torr. Ives Rep. 28. 1861. 
Abies macrocarpa Vasey, Gard. Monthly 1876: 22. 1876. 
Pseudotsuga Douglasit macrocarpa Engelm. Bot. Calif. 2: 120. 
1880. 
Type locality: “Mountains near San Felipe,” San Diego 
County. 
Distribution: The big-cone spruce is the most characteristic tree 
of southern California. It occupies the upper altitudes of the 
Upper Sonoran on the coastal slope and extends into the lower 
parts of the Transition Zone. It occurs in the Santa Ynez Moun- 
tains, and in the vicinity of Fort Tejon extends southward to San 
Pedro Martir Mountain. 
Specimens examined: La Cumbre Peak, Santa Ynez Mountains, 
Abrams 4314; Fort Tejon, Abrams &% McGregor 301; Topatopa 
Mountains, Abrams F McGregor 81; Mount Wilson, San Gabriel 
Mountains, Abrams, July, 1906; Cleghorn Canyon, San Bernar- 
dino Mountains, Abrams & McGregor 706; Mount Santiago, Santa 
Ana Mountains, Helen D. Geis, 1903. 
3. ABIES. Fir. 
1. ABiEs concotor Lindl. & Gord. Journ. Hort. Soc. 5: 210. 
1850. ' 
Picea concolor Gord. Pinetum 155. 1858. 
Type locality: ‘(On the mountains of New Mexico.” 
Distribution: Mountains of southern Oregon south to Mount San 
Pedro Martir, and extending eastward over the mountains of 
Nevada, Utah, western Colorado, and northern Arizona and New 
Mexico. In southern California the white fir is one of the common 
components of the coniferous forests especially in the upper half 
of the Transition Zone. 
Specimens examined: Mount Pinos, Elmer 4198; Abrams &F Mc- 
Gregor 254; Mount San Antonio, San Gabriel Mountains, Abrams, 
July, 1901; Strawberry Valley, San Jacinto Mountains, Leiberg 
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