SPECIES OF WOODS. 



77 



this list), 39 Ibs. per cu. ft., sp. gr. 

 0.6236; strong (24th in this list) ; elas- 

 tic (llth in this list); medium hard 

 (40th in this list) ; shrinkage, 3 per 



cent ; warps ; very durable ; 



easy to work; splits easily. 



Common Uses: Ship building, elec- 

 tric wire poles, and railroad ties; used 

 for boat ribs because of its naturally 

 crooked knees ; slenderness prevents com- 

 mon use as lumber. 



Remarks: Tree desolate looking in 

 winter. 



Radial Sectio. 

 life size. 



Cross-section, 

 magnified Z7 l /2 diameters. 



Tangential Section, 

 life size. 



