EXOGENOUS SERIES—BROADLEAF IVOODS. 45 



Oregon Maple. Acer macrophyllum Pursh. 



Nomenclature. (Sud worth.) 



Oregon Maple (Oreg., Wash.), Broad-leaved Maple (Central 



White Maple (Oreg., Wash.). Calif., Willamette Valley, 



Maple (Calif.). Oreg.). 



Locality. 



Alaska to California. Best in rich bottom lands of southern 

 Oregon. 



Features of Tree. 



Seventy to one hundred feet in height, three to five feet in 

 diameter. Beautiful appearance. 



Color, Appearance, or Grain of Wood. 



Reddish brown, sapwood whitish, close-grained, compact 

 structure, occasionally figured. 



Structural Qualities. 



Light, hard, strong; receives polish. 



Representative Uses of Wood. 



Locally used for tool-handles, turned work, and furniture. 



Weight of Seasoned Wood in Pounds per Cubic Foot. 



30- 

 Modulus of Elasticity. 



1,100,000. 

 Modulus of Rupture. 



9720. 



Remarks. 



Ornamental tree has been introduced into Europe. Said to be 

 one of the most valuable Pacific coast broadleaf woods. 



