Ustilago ulei Henn. 1895

Ustilago ulei P. Henn. Hedwigia
Sori in the leaves, rather indefinite, in striae or often involving more or less of the inner surface of the blades as folded together, eventually causing them to become somewhat shredded and the olive-black dusty spore-mass to become scattered ; spores reddishbrown, often with thin walls (such spores easily collapsing when dry), usually snbspherical or spherical, smooth or very minutely punctateverruculose, 8-11 ," in diameter.
On Poaceae :
Chloris subm.uiica, Mexico. Type locality : Goyaz, Brazil, on Chloris sp. Distribution : Mexico ; also in South America .