52 THE PRINCIPAL SPECIES OF IVOOD. 



Hicoria ovata Mill. 



Shagbark Hickory, Shellbark Hickory. -^ ^^^^^ ^^^^ ^^^^_ 



Nomenclature. (Sudworth.) 



Shellbark or Shellbark Hickory Hickory (Vt., Ohio). 



(local and common name). Upland Hickory (111.). 



Scalybark Hickory (W. Va., White Hickory (la., Ark.). 



S. C, Ala.). Walnut (Vt., N. Y.). 



Shellbark (R. I., N. Y., Pa., Sweet Walnut (Vt). 



N. C). Shagbark Walnut (Vt.). 

 Shagbark (R. I., Ohio). 



Locality. 



Maine to Florida, westward intermittently to Minnesota and 

 Texas. Wide range, best in Ohio valley. 



Features of Tree. 



Seventy-five to ninety feet in height, occasionally higher; two 

 and one-half to three feet in diameter. Shaggy bark, thin- 

 shelled edible nuts. 



Color, Appearance, or Grain of Wood. 



Heartwood light brown, sapwood ivory- or cream-colored. 

 Close-grained, compact structure. Annual rings clearly 

 marked. Medullary rays numerous but thin. 



Structural Qualities of Wood. 



Very heavy, very hard, strong, exceptionally tough and flexible, 

 not durable when exposed. 



Representative Uses of Wood. 



Largely used for agricultural implements, wheels, and runners, 

 axe-handles, baskets, fuel. 



Weight of Seasoned Wood in Pounds per Cubic Foot. 



51 (U. S. Forestry Div.).* 



52. 

 Modulus of Elasticity. 



2,390,000 (average of 137 tests by U. S. Forestry Div.).* 



1,900,000. 



Modulus of Rupture. 



16,000 (average of 137 tests by U. S. Forestry Div.).* 



17,000. 



Remarks. 



The nuts form an important article of commerce. " Shagbark " 

 refers to the shaggy appearance of the bark. 



• See page 6. 



