60 "WOOD AND FOREST. 



2 



WESTERN WHITE PINE. 



Pinus monticola Douglas. 



Pinus, the classical Latin name; monticola means mountain-dweller. 



i * 



Habitat. 



Leaf. 



Habitat: (See map) ; 

 grows at great elevations, 

 7,000'-10,000'. Best in 

 northern Idaho. 



Characteristics of the 

 Tree: Height, 100VL60'; 

 diameter, 4' to even 8'; 

 branches, slender, spread- 

 ing; bark, gray and 

 brown, divided into squar- 

 ish plates by deep longi- 

 tudinal and cross fissures; 

 leaves, 5 in sheath; cones, 

 12"xl8" long. 



Appearance of Wood: 



Color, light brown or red, 

 sap-wood nearly white ; 

 non-porous ; rings, sum- 

 mer wood, thin and not 

 conspicuous ; grain, 

 straight; rays, numerous, 

 obscure; resin ducts, nu- 

 merous and conspicuous 

 tho not large. 



Physical Qualities : 

 Weight, very light (58th 



