80 



WOOD AND FOREST. 



12 



WHITE SPRUCE. 

 Picca canadensis (Miller) B. S. P. Picca alba Link. 



Picea, the classical Latin name ; white and alba refers to the p 

 of the leaves, especially when young, and to the whitish bark. 



le color 



Habitat. 



Leaf. 



Habitat: (See map) . 



Characteristics of the 

 Tree : Height, 60'-100' 

 and even 150'; diameter, 

 l'-2' and even 4'; long, 

 thick branches ; bark, 

 light grayish brown, sep- 

 arating into thin plate-like 

 scales, rather smooth ap- 

 pearance, resin from cuts 

 forms white -gum ; leaves, 

 set thickly on all sides of 

 branch, finer than red 

 spruce, odor disagreeable; 

 cones, 2" long, cylindrical, 

 slender, fall during sec- 

 ond summer. 



Appearance of Wood: 



Color,, light yellow, sap- 

 wood, hardly distinguish- 

 able ; non-porous ; rings, 

 wide, summer wood thin, 

 not conspicuous ; grain, 

 straight; rays, numerous, 

 prominent; resin ducts , 

 few and minute. 



