BULLETIN 58, U. S. DEPARTMENT OF AGRICULTURE. 



tant food for the larger species of ducks not only in the Mississippi 

 Delta but throughout the whole range of the plant. 



DESCRIPTION OF PLANT. 



The Delta duck potato (fig. 1) when well developed stands about 

 18 inches above the soil. The broadly elliptical leaves have a char- 



FIG. 1. Delta duck potato. (Scale is 18 inches long..) 



acteristic firm appearance and a beautiful clear green color. Like 

 all plants of its genus, this species produces the flowering peduncles 

 from about the center of the group of leafstalks; these peduncles bear 



