186 



WOOD AND FOREST. 



65 



BLUE ASH. 



Blue, refers to blue dye obtained from inner bark. 



Fraxinus quadrangulata Michaux. 



Frdxinus, from a Greek word (phraxis) meaning split, refers to the 

 cleavabilty of the wood; quadrangulata, refers to four-angled branchlets. 



Habitat. 



Leaf. 



Habitat: (S;ee map) ; 

 best in lower Wabash val- 

 ley. 



Characteristics of the 

 Tree: Height, 60'-70' ; 

 even 120'; diameter, l'-2'; 

 tall, slender, four-angled,, 

 branchlets ; bark, light 

 gray, irregularly divided 

 into large plate-like scales, 

 inside bark, bluish, yield- 

 ing dye; leaves, 8"-12" 

 long, compound pinnate, 

 5 to 9 leaflets; fruit, 

 winged samaras in pan- 

 icles. 



Appearance of Wood: 



Color, light yellow, 

 streaked with brown, sap- 

 wood lighter ; ring-por- 

 ous ; rings, clearly marked 

 by 1 to 3 rows of large, 

 open ducts ; grain, 

 straight; rays, numerous, 

 obscure. 



