84 



WOOD AND FOREST. 



14 



BLACK SPRUCE.* 

 Picea mariana (Miller) B. S. P. Picea nigra Link. 



Picea, the classical Latin name for the pitch pine; mariana named for 

 Queen Mary; black and nigra refer to dark foliage. 



Habitat. 



Leaf. 



Habitat: (See map) ; 

 best in Canada. 



Characteristics of the 

 Tree : Height, 50'-80' 

 and even 100'; diameter, 

 6"-!' even 2'; branches, 

 whorled, pendulous with 

 upward curve ; bark, 

 gray, loosely attached 

 flakes; leaves, pale blue- 

 green, spirally set, point- 

 ing in all directions; 

 cones, small, ovate-ob- 

 long, persistent for many 

 years. 



Appearance of Wood: 



Color, pale, reddish, sap- 

 wood, thin, white, not 

 very distinct ; non-por- 

 ous; rings, summer wood, 

 small thin cells; grain, 

 straight; rays, few, con- 

 spicuous; resin ducts, few 

 and minute. 



Physical Qualities : 

 Weight, light (47th in 



*Not distinguished in Jesup Collection from Picea rubens. 



