46 DEPARTMENT BULLETIN 863, IT. S. DEPT. OE AGRICULTURE. 

 ONE HUNDRED IMPORTANT FOREST TREES— Continued. 



Name. 



Distribution. 



Remarks. 



86. 

 87 



Water hickory (Hicoria 

 aquatica). 



Shagbark hickory (Hicoria 

 ovata). 



Shellbark hickory {Hicoria 

 laciniosa) . 



Mockernut hickory ( Hicoria 

 alba). 



Pignut hickory (Hicoria 



glabra). 

 Biack walnut (Juglans 



nigra). 



Butternut or white walnut 

 (Juglans cincrea). 



White ash ( Fraxinus amcri- 

 cana). 



Red ash ( Fraxinus pennsyl- 

 vanica) . 



Green ash ( Fraxinus lance- 



olata). 

 Pumpkin ash (Fraxinus 



profunda). 



Black ash ( Fraxinus nigra) . . 



Water ash (Fraxinus caro- 



liniana). 

 Ohio Buckeye (JZsculus 



glabra). 

 Yellow Buckeye (JEsculus 



octandra) . 



Gulf States and lower Missis- 

 sippi Valley. 

 Eastern United States 



Nut broad, with bitter kernel. 



Buds with many scales (all of the pre- 

 ceding hickories have buds with few 

 scales), nuts not flanged at joints, 

 shell thick and bony. Bark loosen- 

 ing from trees. 



Difficult to distinguish from shagbark 

 hickory. Twigs are pale orange, 

 while in the preceding they are light 

 red-brown. 



Bud scales many, bark closely furrowed 



88 



.do 



8q 



do 



qo 



Southern States 



not separating from the trunk. Nut 

 oblong. 



Like preceding in many respects* 

 Nuts not elongated. 



Leaves compound, with toothed edges 

 fruit growing singly or in pairs 

 rounded; bark brown. 



Leaves compound, with toothed edges; 

 fruit in hanging clusters of 3 to 5, 

 pointed and elongated. Velvety 

 cushion just above leaf-scar; bark 

 gray. 



All species of ash are difficult to iden- 

 tify, and mostly require expert 

 knowledge of the fruit or "keys." 

 White ash has a key or fruit with a 

 plump well rounded body and a wing 

 extending almost entirely from the 

 end. 



Differs from white ash in having young 

 twigs velvety and wing of seed ex- 

 tending down along sides of seed- 

 body. 



Like the preceding, except twigs are 

 smooth. 



Resembling red ash, but fruits are very 



91 



Eastern United States 



9? 



....do 



93 



.do 



94 



..do 



95 



..do 



96 



Southern States 



97. 

 98 



Northern and Lake States 



Southeastern States 



much larger, sometimes twice the 

 size. 



Fruits with a flat wide wing, which ex- 

 tends conspicuously down the sides 

 of the seed body. 



Fruits very wide and flat, frequently 



99 

 100 



Ohio and Mississippi Valleys . . 

 do 



3-winged. 

 Leaves palmately compound; fruit in a 



knobby husk. 

 Resembling preceding, but fruit in a 



smooth husk. 



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