SPECIES OF WOODS. 



137 



list) ; elasticity, medium (46th in this 

 list) ; medium hard (44th in this list) ; 

 shrinkage, 6 per cent.; warps badly; 

 very durable, especially in contact with 

 soil, fairly easy to plane, chisel and 

 saw ; splits easily. 



Common Uses: Eailway ties, fence 

 posts, interior finish. 



Remarks: Grows rapidly, and lives 

 to great age. Wood contains much tan- 

 nic acid. Uses depend largely upon its 

 durability. Lately whole regions depleted 

 by fungous pest. 



Radial Section, 

 life size. 



Cross-section, 

 magnified 37^ diameters. 



langential Section, 

 life size. 



