no THE PRINCIPAL SPECIES OF WOOD. 



Madrona, Madrcma Laurel. Arbutus menziesii Pursh. 



Nomenclature. (Sudworth.) 



Madrona, Madrona Laurel Madrone-tree, Manzanita 



(Gal., Oreg.). (Oreg., Cal.). 



Laurel, Laurelwood, Madrone. Madrove (Cal.). 



Locality. 



Pacific coast from British Columbia to southern California. 



Features of Tree. 



Fifty to seventy-five feet in height, occasionally higher. Two 

 to four feet in diameter. Straight well-formed trunk. Ever- 

 green foliage. A shrub in the South. 



Color, Appearance, or Grain of Wood. 



Thick heartwood reddish, thin sapwood slightly pink. Close- 

 grained ; numerous and conspicuous medullary rays 



Structural Qualities of Wood. 



Heavy, hard, strong, checks badly in seasoning. 



Representative Uses of Wood. 



Largely for gunpowder, charcoal, also furniture. 



Weight of Seasoned Wood in Pounds per Cubic Foot. 



43- 

 Modulus of Elasticity. 



1,190,000. 

 Modulus of Rupture. 



12,000. 



Remarks. 



A beautiful ornamental tree. 



