SPECIES OF WOODS. 



137 



list) ; elasticit}', medinm (46tli in this 

 list) ; medium liard (44:th 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: Raihvay ties, fence 

 posts, interior finish. 



Kemarks: 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 :i7y2 diameters. 



Tangential Section, 

 life size. 



