148 



OUTLINE OF PLANT GEOGRAPHY 



places, yellow pine and incense cedar (Libocedrus decurrens), also 

 are found, and above 6,000 feet, the red fir (Abies magnified). 

 These are all trees of the first rank and this coniferous forest is 

 quite unrivalled. 



Next in size to the sequoias, is the great sugar pine, the largest 

 of all pines, and a notable tree from southern Oregon southward. 



A B 



Fig. 42. — Sugar Pine (Pinus Lambertiana.) 

 A. Yosemite. B. Shasta Springs. 



In habit it resembles the eastern white pine, but greatly exceeds 

 it in size. The cones, also, are notable, as the longest of any conif- 

 erous tree. 



This great forest depends for its water supply mainly upon the 

 very heavy snow-fall, as little or no rain falls during the summer. 

 As the snow melts many attractive herbaceous plants appear, 



