Ustilago sieglingiae Ricker 1905

Ustilago sieglingiae Ricker, Jour. Myc. 11 : 112. 1905
Sori in ovaries, infecting all, ellipsoidal, about 2-^ mm. in length, protected by thin membrane and enveloping glumes, finally shedding the dusty dark-brown spore -mass ; spores rather uniformly colored, medium-dark reddish-brown, ellipsoidal to chiefly subspherical or spherical, occasionally more elongate or irregular, smooth or very minutely and obscurely echinulate, 4-6/^, or the most elongate 7/^, in length.
On Poaceae :
Trip lasis purpurea^ Florida. Type locality : Punta Rassa, Florida, on Sieglingia purpurea {Triplasis purpurea) .
Distribution : Florida.