SPECIES OF WOODS. 



91 



ft., sp. gr. 0.4239 ; medium strong (44th 

 in this list) ; elasticity, medium (40th 

 in this list); soft (51st in this list); 

 shrinkage, 3 per cent; warps and checks 

 badly; not durable; difficult to work, 

 splintery, brittle; splits easily, holds 

 nails well. 



Common Uses: Coarse, cheap lum- 

 ber, as joists, rafters, plank walks and 

 laths. 



Remarks: The poorest lumber. Bark 

 chief source of tanning material. 



Radial Section, 

 life siie. 



Cross- section, 

 magnified 37^2 diameters. 



Taneential Section, 

 life size. 



