VEGETATION AND ENVIRONMENT IN CALIFORNIA 



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The Big Tree, Sequoia giganlea, is found only in the Sierras, 

 where it occurs in isohited groves on western slopes over an area 

 about 250 miles in length. The other species of the genus, 

 Sequoia sempervirens, is found only in the mountains near the 

 coast, north of San Luis Obispo County, and it covers an area 

 about 450 miles in length and not over 20 miles in width. Pinus 

 muricata is a coast species, also, but recurs outside of the state in 

 Lower California. Abies venusta, the Santa Lucia fir, is found in 



Fig. 1. The Douglas oak, Quercus douglasii, growing on a high and arid bkiff 

 overlooking Putah Creek, in the Vaca Mountains. Here the structure of the sub- 

 stratum, as well as its height above the stream, is such as to preclude the possibility 

 of the attainment of the water table by the plant's roots. 



the Santa Lucia mountains, where it grows in isolated groves over 

 an area about 45 miles in length. Pinus radiata, the Monterey 

 pine, occurs to the north and to the south of Monterey bay. 

 Pinus torreyana is found near San Diego and on Santa Rosa 

 island. Cupressus goveniana occupies an area about 200 yards 

 long on the Monterey peninsula, but a varietal form occurs on the 

 pine barrens 200 miles north. Finally, Cupressus macrocarpa is 



