144 THE PRINCIPAL SPECIES OF IVOOD. 



Pitch Pine. Pinus rigida Mill. 



Nomenclature. (Sudworth.) 



Pitch Pine (local and common Yellow Pine (Pa.). 



name). Black Pine (N. C). 



Longleaved Pine, Longschat Black Norway Pine. 



Pine (Del.).. Rigid Pine, Sap Pine, 



Hard Pine (Mass.). 

 Locality. 



Atlantic coast, Canada to Georgia, Kentucky. 



Features of Tree. 



Forty to sometimes eighty feet in height, one to sometimes 

 three feet in diameter. Rigid flattened leaves in threes from 

 short sheaths. 



Color, Appearance, or Grain of Wood. 



Heartwood light brown or red, thick sapwood yellow to nearly 

 white. Coarse conspicuous grain, compact structure, very 

 resinous. 



Structural Qualities of Wo6d. 

 Light, soft, not strong, brittle. 



Representative Uses of Wood. 

 Coarse lumber, fuel, charc6al. 



Weight of Seasoned Wood in Pounds per Cubic Foot. 



32- 

 Modulus of Elasticity. 



820,000. 

 Modulus of Rupture. 



10,500. 



Remarks. 



Rigida refers to rigid leaves. The name " Pitch Pine " is some- 

 times applied to all of the Southern pines. The name is yet 

 more widely applied in foreign markets. Sometimes called 

 Fat Pine. 



