EXOGENOUS SERIES- BROADLEAF WOODS* 79 



Mesquite. Prosopis juliflora (Swariz) de C. 



Nomenclature. (Sudworth.) 



Mesquite (Tex., N. M., Ariz., Honey Pod or Honey Locust 



Cal.). (Tex., N. M.). 



Algaroba (Tex., N. M., Ariz., Ironwood (Tex.). 

 Cal.). 



Locality. 



Texas, west to San Bernardino Mountains, California. Also 

 Colorado, Utah, and Nevada and northern Mexico. 



Features of Tree. 



Forty to fifty feet in height, one to two feet in diameter. Some- 

 times low shrub. Roots often very large. Pods with sweet 

 pulp. 



Color, Appearance, or Grain of Wood. 



Heartwood rich dark brown, often red. Sapwood clear 

 yellow. Close-grained, compact structure, distinct medullary 

 rays. 



Structural Qualities of Wood. 



Weak, difficult to work, heavy, hard, very durable. 



Representative Uses of Wood. 



Posts, fencing, ties, house-beams, fuel, charcoal. 



Weight of Seasoned Wood in Pounds per Cubic Foot. 



47- 

 Modulus of Elasticity. 



820,000. 

 Modulus of Rupture. 



6800. 



Remarks. 



A locally important tree. Trees sometimes stunted by fires 

 have numerous roots. Large roots used for fuel. 



Holsinger, "Forestry and Irrigation." Vol. VIII, No. n, p. 447. 



