EXOGENOUS SERIES-NEEDLELEAF WOODS. 137 



White Pine. Pinus monticola Dougl. 



Nomenclature. (Sudworth.) 



White Pine (Cal., Nev., Little Sugar Pine, Soft Pine 



Oreg.). (Cal.). 



Mountain Pine, Finger Cone Western White Pine. 



Pine (Cal.). Mountain Weymouth Pine. 

 Locality. 



Montana, Idaho, Pacific States, and British Columbia. 



Features of Tree. 



Eighty to one hundred feet in height. Two to three feet in 

 diameter, sometimes larger. Foliage resembles, but is denser 

 than, white pine. Long smooth cones. 



Color, Appearance, or Grain of Wood. 



Heartwood light brown or red, sapwood nearly white. Straight- 

 grained, compact, suggests white pine (Pinus strobus). 



Structural Qualities of Wood. 

 Light, soft, not strong. 



Representative Uses of W T ood. 

 Lumber. 



Weight of Seasoned Wood in Pounds per Cubic Foot. 



24. 

 Modulus of Elasticity. 



1,350,000. 

 Modulus of Rupture. 



8600. 

 Remarks. 



Found at elevations of seven thousand to ten thousand feet. 

 Common and locally used in northern Idaho. 



