60 "WOOD AND FOliEST. 



2 



Western White Pine. 



Piniis monticola Douglas. 



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



Habitat. 



Ueaf. 



Habitat: (See map); 

 grows at great elevations, 

 r,000'-l 0.000'. Best in 

 northern Idaho. 



Cliaracteristics of the 

 Tree: Height, 100'-160'; 

 diameter, 4' to even 8'; 

 branches, slender, spread- 

 ing ; bark, gray and 

 brown, divided into squar- 

 ish plates l)y 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 



