Important Forest Trees of the United States 



777 



33. Green ash. 



34. Blue ash. 35. Pumpkin ash. 



36. Black ash. 



leaflets 2 to 4 inches long, long-pointed, coarsely and sharply toothed, bright green, nearly 

 smooth or hairy. Key fruits 1 to 1 /a inches long, paired and in clusters, maturing in fall. 

 Principal uses: Same as No. 29. 



UU. Leaflets 5 to 11, bluntly toothed or without teeth, with veins curved 

 within the edges (fruits clustered but not in pairs, long-winged 

 "keys" ) AS H (Fraxinus ) . 

 V. Leaflets with stalks. 



32. WHITE ASH, Fraxinus americana L. (American ash, Biltmore ash; F. biltmoreana 

 Beadle). 



Large tree of eastern half of United States and adjacent Canada. Bark gray, with 

 deep, diamond-shaped fissures and narrow, forking ridges. Leaves paired, compound, 

 8 to 12 inches long, with 5 to 9, usually 7, stalked, oval or broadly lance-shaped leaflets 

 2 l /2 to 5 inches long, long- or short-pointed, edges usually smooth or slightly toothed, 

 smooth or hairy beneath. Key fruits 1 to 2 inches long and J4 inch wide, with wing at end. 



Principal uses: Handles, cooperage, furniture, motor-vehicle parts, boxes, baskets, and 

 crates, and sporting and athletic goods. Also railroad ties, veneer, and fuel. Shade tree. 



33. GREEN ASH, Fraxinus pennsylvanica Marsh, (red ash is the typical variety; green 

 ash is F. pennsylvanica var. lanceolata (Borkh.) Sarg., white ash, swamp ash, water ash; 

 F. viridis Michx.). 



Medium-sized tree of eastern half of United States and adjacent Canada west to 

 Montana and Texas. Bark gray, fissured. Leaves paired, compound, 10 to 12 inches long, 

 with 7 or 9, stalked, oval or lance-shaped leaflets 2 to 6 inches long, long-pointed, slightly 

 toothed, smooth or hairy beneath. Key fruits 1 J4 to 2J4 inches long, J4 inch or more 

 in width, with wing extending nearly to base. 



Principal uses: Same as No. 32. Also shelterbelts and shade tree. (Green ash is the 

 State tree of North Dakota.) 



34. BLUE ASH, Fraxinus quadrangulata Michx. 



Medium-sized to large tree of Central States, chiefly Ohio and Mississippi Valley 

 regions; also in southern Ontario. Bark gray, fissured, with scaly and shaggy plates. Twigs 

 4-angled and more or less winged. Leaves paired, compound, 8 to 12 inches long, with 

 7 to 11, short-stalked, oval or lance-shaped leaflets 2/2 to 5 inches long, long-pointed, 

 toothed. Key fruits 1 J4 to 2 inches long, % to ! /2 inch wide, oblong, with wing extending 

 to base. 



Principal uses: Same as No. 32. 



