Sphacelotheca reiliana (J. G. Kühn) G. P. Clinton 1902

Sphacelotheca reiliana (Kiihn) Clinton, Jour. Myc. 8: 141. 1902
Usiilago Reiliana Kiihn ; Rab. Fungi Bur. 1998. 1875.
Usiilago Reiliana f. Zeae Pass.; Rab. Fungi Eur. 2096. 1876. ^ „^
Usiilago pulveracea Cooke, Grevillea 4 : 115. 1876. (Type from India, on Zea Mays.)
Ciniractia Reiliana Clinton, Bull. in. Agr. Exp. Sta. 57 : 346. 1900.
Usiilago {Ciniractia') Reiliana i.foliicola Kellerm. Ohio S. U. Nat. 1 : 919U0.
Sori very prominent, forming irregular masses including more or less of the entire panicle, usually 5-15 cm. in length, often at first protected by the leaf -sheath, with evident whitish false membrane enclosing the black-brown spore-mass and ray-like remains of the peduncles or columellas, in time becoming ruptured and Spores scattered ; sterile cells besides forming membrane scattered in usually subspherical groups through the spore-mass, chiefly subspherical, 7-15 // in diameter ; spores somewhat opaque, chiefly subspherical to 30 spherical or occasionally ovoid or slightly angled, minutely but abundantly verruculose, 9-14 fi in length.
On Poaceae :
Sorghum vulgare, Illinois, Iowa, Kansas, Minnesota, Mississippi, Nebraska, New Jersey,
Ohio, Texas. Zea Mays, Kansas, Ohio. Type locality : Egypt, on Sorghum vulgare.
Distribution : New Jersey to Minnesota and Texas ; also in South America, Europe, Asia and Africa.