Ustilago minor Norton 1896

Ustilago minor J. B. S. Norton, Trans. Acad. Sci
St. I,ouis 7 : 238. 1896.
Sori on the leaves and leaf-sheaths, forming ovoid to linear pustules, 1-5 mm. or even longer, with the covering membrane at maturity becoming ruptured and the dusty blackbrown spore-mass scattered ; spores light to medium-dark reddishbrown, chiefly ovoid to spherical, minutely echinulate, mostly 7-9 ^ in length.
On Poaceae :
Bouteloua hirsuta, Kansas. Type locality : Manhattan, Kansas, on Bouteloua hirsuta.
Distribution ; Kansas. r o^ ^ r ro