EXOGENOUS SERIES— BROADLEAF (VOODS. 21 



Spanish Oak. \ Q"ercus digiiaia Sudworih, 

 \ Quercus falcaia Michx. 



Nomenclature. (Sudvvorth.) 



Spanish Oak (local and common name). 



Red Oak (N. C, Va., Ga., Fla., Ala., Mis., La., Ind.). 



Spanish Oak (La.). 



Locality. 



New Jersey and Florida, westward intermittently to Illinois and 

 Texas. 



Features of Tree. 



Thirty to seventy feet in height, two and one half to four feet in 

 diameter. Variable foliage. Globular to oblong acorns. 

 Color, Appearance, or Grain of Wood. 



Heartwood light red, sapwood lighter, coarse-grained, annual 

 layers strongly marked, medullary ra3'S few but conspicuous. 



Structural Qualities of Wood. 



Hard, heavy, strong, not durable, checks badly in drying. 



Representative Uses of Wood. 



Somewhat used for cooperage, construction, etc. Bark very 

 rich in tannin. 



Weight of Seasoned Wood in Pounds per Cubic Foot. 



43- 

 Modulus of Elasticity. 



1,900,000. 

 Modulus of Rupture. 



16,900. 



Remarks. 



Dry barren soils. Grows rapidly. 



