84 WOOD AXD FOREST. 



14 



Black Spruce.* 



Piceo rnarifina (^liller) B. S. P. Picea nigra T.mk. 



I'iri/a. tlie classical Latin r.aiiie for the pitch pine: mariana naiiieJ for 

 (,)ucen ilary: hlaok ami niiirn refer to dark foliage. 



Habitat: (See map) ; 

 be>t in Canada. 



Characteristics of the 

 Tree : Height. -iiO'-SO' 

 and even 100': diameter, 

 6"-l' even 2': branclies. 

 wliorled. pendulous with 

 npwanl cnrve ; bark, 

 gray. loo=ely attaclted 

 flakes; leaves, pale bhie- 

 .sn'een. spirally set, point- 

 ing in all directions : 

 cones. small, ovate-ob- 

 long, persistent for many 

 years. 



Appearance of Wood: 

 Color, pale, reddi-h. sap- 

 wood, thin, white, not 

 very distinct : non-por- 

 ons : rings, summer wood, 

 small thin cells: srain. 

 straight ; rays. few. con- 

 spicuous; resin ducts, few 

 and minute. 



Physical Qualities: 



Leaf. 



AVeight. light (4:th i 



m 



*Xot ilistingiiished in .Jesup Collection from Picca ruhens. 



