52 THE PRINCIPAL SPECIES OF WOOD. 



V , ,, . ( Acer negundo Linn. 



Boxelder, Ash-leaved Maple. j Negun aceroides Moenc ^ 



Nomenclature. (Sudworth.) 



Boxelder, Ash-leaved Maple Stinking Ash (S. C. ). 



(local and common names). Negundo Maple (111.). 



Red River Maple, Water Ash Three-leaved Maple (Fla.). 



(Dak.). Black Ash (Tenn.). 



Cut-leaved Maple (Colo.). Sugar Ash (Fla.). 



Locality. 



Atlantic Ocean westward intermittently to Rocky Mountains, 

 Mexico. 



Features of Tree. 



Forty to seventy feet in height, one and one-half to three feet 

 in diameter. Wings to keys are straight or incurved. Leave 

 sparingly and coarsely toothed, show yellow but little or no 

 red in autumn. 



Color, Appearance, or Grain of Wood. 



Thin heartwood, cream-white; sapwood similar; close-grained, 

 compact structure. 



Structural Qualities of Wood. 

 Light, not strong, soft. 



Representative Uses of Wood. 



Woodenware, cooperage, etc., paper-pulp (largely), occasionally 

 interior finish. 



Weight of Seasoned Wood in Pounds per Cubic Foot. 



26. 

 Modulus of Elasticity. 



82,000. 

 Modulus of Rupture. 



7500. 

 Remarks. 



A rapid grower. Withstands severe climatic changes. A good 

 tree to plant in naturally treeless sections. Sugar is sometimes 

 obtained from the sap of this species. The " Boxelder" is 

 a true maple. 



