Tilletia corona Scribn. 1896

Tilletia corona Scrib.; Tracy & Earle, Bull. Torrey Club
23: 210. 1896.
Neovossia corona Massee, Kew Bull. 1899 : 156. 1899.
Sori in ovaries, ovoid or ovate, about 3-4 mm. in length, more or less exposed between the glumes ; sp.ores showing different stages of development, when mature opaque, chiefly subspherical or spherical, with evident hyaline membrane ending at one side in a short pedicel -like projection, with evident sometimes slightly curved hyaline spines (on top of spore showing as papillae) extending out to membrane and with it forming a hyaline band 1-2 fi deep, chiefly 19-25 fjin diameter.
On Poaceae :
Homalocenchrus' lenticularis {Leersia lenticularis) ^ Mississippi.
Homalocenchrus oryzoides {Leersia oryzoides) , District of Columbia, Missouri.
Homalocenchrus virginicus {^Leersia virginica)^ District of Columbia, Illinois, Mississippi, Ohio. Type locality : Washington, District of Columbia, on Homalocenchrus oryzoides. Distribution : District of Columbia to Missouri and Mississippi.