Bui. 933, U. S. Dept. of Agriculture. 
Plate I, 
Fig. I. — Natural Grove of Black Walnut in Decatur County, Ind. 
Fig. 2. — Open Woodlot in Indiana, in which Black Walnut is Char- 
acteristically Growing in Mixture with Oaks and Other Hardwoods. 
Some Walnut Trees have Recently Been Cut. 
