Sporisorium moniliferum (Ellis & Everh.) L. Guo 1990

Sphacelotheca monilifera (Ellis & Ev.) Clinton, Jour
Myc. 8 : 141. 1902.
Ustilago monilifera Ellis & Ev. Bull. Torrey Club 22 : 362. 1895.
Ustilago Andropogonis-contorti P. Henn. ; Clinton, Jour. Myc. 8 : 141, as a synonym. 1902.
Sori in ovaries of the spikelets, elongate, 4-7 mm. or about the length of the glumes and often completely concealed by them, with evident false membrane that ruptures into irregular lobes and discloses a brown-black spore-mass, with evident columella ; cells of false membrane adhering rather permanently, with those of the interior in loose subspherical groups, hyaline or slightly tinted, chiefly subspherical, about the diameter of the spores ; spores reddish-brown, chiefly ovoid to spherical or somewhat angled, rather minutely verruculose or echinulate, 9-13 // in length.
On Poaceae :
Heteropogon contortus {Andropogon contortus)^ Arizona ; Mexico. Type locality : Tucson, Arizona, on Heteropogon contortus. Distribution : Arizona and Mexico ; also in Hawaii.