46 DEPARTMENT BULLETIN" S63, U. S. DEPT. OF AGRICULTURE. 

 ONE HUNDRED IMPORTANT FOREST TREES— Continued. 



Name. 



Distribution. 



Remarks. 



86. 

 87 



Water hickory (Hicoria 

 aqualica). 



Shagbark hickory (Hicoria 

 ovata). 



Shcllbark hickory (Hicoria 

 laciniosa). 



Mockemut hickory ( Hicoria 

 alba). 



Pignut hickory ( Hicoria 



glabra). 

 Black walnut (Juglans 



nigra). 



Butternut or white walnut 

 (Juglans cinerea). 



White ash ( Fraxinus ameri- 

 cana). 



Red ash ( Fraxinus Pennsyl- 

 vania) . 



Green ash ( Fraxinus lance- 



olata). 

 Pumpkin ash ( Fraxinus 



profunda). 



Black ash ( Fraxinus nigra) . . 



Water ash (Fraxinus caro- 



liniana). 

 Ohio Buckeye (JEsculus 



glabra). 

 Yellow Buckeye (JEsculus 



octandra). 



Gulf States and lower Missis- 

 sippi Valley. 



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. 



88 



.do 



8P 



do 



9(1 



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. 



91. 

 9? 



..do 



PS 



do ; 



94 



....do 



95 



do 



9fi 





97. 

 98 



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. 



inn 



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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