184 WOOD AND FOREST. 



64 



Oregon Asi-i. 

 Fraxinus oregona Nuttall. 



Fraxinus. from a Greek word (phraxis) meaning split, refers to tlie 

 cleavability of the wood ; oregona, named for the State of Oregon. 



Habitat: (See map); 

 best in .southern Oregon. 



Characteristics of the 

 Tree: Height, .50'-80' ; di- 

 ameter, I'-l'i', even 4'; 

 branches, storit, erect ; 

 bark, grai'ish brown, deep 

 interrupted fissures, broad, 

 iiat ridges, e.xfoliates ; 

 leaves, .5"-14" long; pin- 

 nate! }' compound. 5 to 7 

 leaflets ; fruit, single sa- 

 maras in clusters. 



Appearance of Wood: 



Color, brown, sap-wood 

 tliiclc, lighter; ring-por- 

 ous; rings, plainly marked 

 l)v large, open, scattered 

 pores ; grain, coarse, 

 straight ; rays, numerous, 

 thin. 



Physical Qualities : 



"Weight, medium (oTfli in 



this list), 35 lbs. per cu. 



i,eaf. f*--- ^P- g''-> 0.5731; me- 



