Tilletia caries (DC.) Tul. & C. Tul. 1847

Tilletia tritici (Bjerk.) Wint.; Rab. Krypt. Fl. l' : 110. 1881
Lycoperdon Tritici Bjerk. K. Sv. Vet.-Acad. Handl. 36 : 326. 1775.
Uredo Caries DC. Fl. Fr. 6 : 78. 1815. (Type from France, on Triticum vulgare.)
Tilletia Caries Tul. Ann. Sci. Nat, III, 7 : 113. 1847.
Sori in ovaries, ovate to oblong, 5-8 mm. in length, more or less concealed by tlie glumes ; sterile cells few, hyaline, subspherical, -wnth medium thin wall, smaller than spores ; spores chiefly subspherical or spherical, lightto dark-brown, with winged reticulations about 1 fjhigh by 2-4 ^ wide, 16-22 fi in diameter.
On Poaceae :
Triticum^ vulgare, Arizona, Iowa, Kansas, Michigan, Minnesota, Montana, Nevada, New Jersey, New York, Ohio, Oregon, Washington, West Virginia. Type locality: Sweden, on Triticum. hybernum {T. vulgare). Distribution : locally distributed wherever wheat is cultivated.