2 BULLETIN" 933, U. S. DEPARTMENT OF AGRICULTURE. 



DISTRIBUTION OF WALNUT. 



BOTANICAL RANGE. 



That there is a considerable quantity of walnut still left in the 

 country is due to the immense area on which the species grows and 

 not to the presence of large supplies in any one region. The botanical 



NORTH DAKOTA 



Primary commercia/ range 

 K3SM Secondary commercia/ range 

 k\N Botanica/ range 



Fig. 1. — The range of black walnut. 



range, as shown in figure 1, is from southern New England and 

 Ontario to Minnesota, South Dakota, and Nebraska, south into Texas 

 and east to Georgia, reaching the Atlantic coast line in South Caro- 

 lina. Planting has introduced walnut into every State in the Union, 



