EXOGENOUS SER1ES-NEEDLELEAF WOODS. 153 



Sitka Spruce. Picea silchensis Traulv. and Mayer. 



Nomenclature. (Sud worth.) 



Sitka Spruce (local and com- Menzies Spruce. 



mon name). Western Spruce. 



Tideland Spruce (Cal., Oreg. , Great Tideland Spruce. 



Wash.). 



Locality. 



Pacific coast region, Alaska to central California. Extends 

 inland about fifty miles; prefers low elevations. 



Features of Tree. 



One hundred and fifty feet or more in height, three feet or more 

 in diameter. Flat-pointed pyramidal needles, oval cylindrical 

 cones, thick scaly reddish-brown bark. 



Color, Appearance, or Grain of Wood. 



Heartwood light reddish brown, sapwood nearly white. Coarse- 

 grained, satiny. 



Structural Qualities of Wood. 

 Light, soft, not strong. 



Representative Uses of Wood. 



Construction, interior finish, fencing, boat-building, cooperage. 



Weight of Seasoned W T ood in Pounds per Cubic Foot. 



2626. 

 Modulus of Elasticity. 



Modulus of Rupture. 



10,400. 



Remarks. 



A giant among spruces. Forms an extensive coast -belt forest. 



