(32) 



smaller evergreen. It is the Jersey or Scrub Pine (p. 39). We 

 shall postpone a description of it until we meet more specimens 

 in the next Section. 



The remaining five trees on this side of the slope we should 

 recognize as Western Yellow-Pines, with their needles in threes. 



The small evergreen of scanty foliage that grows on what might 

 be termed the dividing line between the eastern and southern faces 

 of this slope is 



Pinus Jeffreyi, the Jeffrey Pine 



This is one of the hardy western pines found from southern 

 Oregon to Lower California, where in certain areas it forms 

 extensive forests. Its leaves are longer than those of any other 

 hardy native pine. It is a mountain tree and generally occurs 

 above the Western Yellow-Pine at elevations of 3,600 feet in the 

 north to 10,000 feet in the south. It is regarded by some authori- 

 ties as a variety of the Western Yellow-Pine, from which it is 

 distinguished principally by its more pungently aromatic resinous 

 secretions and its stiffer and more elastic leaves, which persist on 

 the trees for a longer period. 



The Jeffrey Pine is also known as Black, Redbark, Blackbark, 

 Bull, Sapwood, and Truckee Pine. In the trade it passes as 

 Western Yellow-Pine. 



The three-needled pine north of this Jeffrey Pine and between 

 the path and the bigger Austrian Pines on the slope is a Western 

 Yellow-Pine. 



The remaining large dark-foliaged trees along the slope facing 

 the road to the east as well as those on top of the knoll are 

 Austrian Pines. There is one odd conifer high up on the rocky 

 formation at its northern end. It is a Red Cedar (p. 112). 



Beyond the last of the dark Austrian pines along the path are 

 the last two trees in this Section. They have bluish-green needles 

 rind orange-colored bark. Tbev are 



