SPECIES OF WOODS. 



81 



Physical Qualities: Weiglit, light 

 (51st in tliis list) ; 25 lljs. pei- cii. ft., sp. 

 gr., 0.4051 ; mecliniu strong (42d in tliis 

 list); elastic (20tli in this list); soft 

 (58th in this list) ; .shrinks .3 per cent; 



warps ; fairly durable ; easy to 



work, satiny surface; splits readily. 



Common Uses: I^nmber and paper 

 pnlp ; (not distinguished from Red and 

 Black Sprnce in market). 



Remarks: Wood very resonant, hence 

 used for sounding boards. The most im- 

 portant lumbev tree of the sub-arctic 

 forest of Biitish Cohimbia. 



E« 



'Si 



* i - -*■ T* 



dial Irieclicjn, 

 life size. 



Cross-section, 

 magnified ^yYi diameters. 



Tangential Sectio'" 

 life size. 



