24 



THE COMMERCIAL HICKORIES. 



prominent toward the South through Virginia, North Carolina, and 

 Florida, where it is the commonest of the hickories and furnishes the 

 bulk of the cut. It is abundant in the lower Mississippi Valley, but is 

 commercially less important than shagbark. 



Big shellbark has a narrow commercial distribution. It is most 

 prominent in the region around the lower Ohio River, south along the 

 Mississippi to central Arkansas, and northeast through the Wabash 

 Valley to northern Indiana and Ohio. 



Shagbark. 



Big shellbark. 



r .-A 



Pignut. Mockernut. 



FIG. 11. Ranges of the true hickories. The light-shaded areas show the botanical ranges; the darker 



areas, the commercial ranges. 



The pecan hickories can not be said to be of commercial importance, 

 because they are seldom cut. Bitternut is fairly common from south- 

 ern New England west to Iowa and from southern Michigan south to 

 Kentucky. South of Kentucky it is somewhat rare. Pecan grows 

 as far north as Dubuque, Iowa, but is rare and local north of the Ohio 

 River. Along the Mississippi, southward from the mouth of the Ohio, 

 it grows gradually more common, until, in southern Arkansas and in 

 Louisiana, it becomes an important factor in the forest. It is also 



