Sporisorium seymourianum (G. P. Clinton) M. Piepenbr. 2003

Sphacelotheca seymouriana Clinton, Proc. Bost. Soc. Nat. Hist
31 : 387. 1904.
Sori in ovaries, forming linear bodies 4-7 mm. long, or about the length of the glumes between which they extend, rupturing from apex and disclosing a distinct columella and somewhat agglutinate spore-mass ; sterile cells hyaline, with those of the interior often in groups, chiefly subspherical, with those forming the membrane more irregular and adhering more permanently, about the size of the spores ; spores light-brown, often with pitted contents, apparently smooth, chiefly subspherical or slightly polyhedral, occasionally ovate or ovoid, 7-12 // in length.
On Poaceae :
Andropogon virginicus, Alabama, North Carolina.
Andropogon sp., Georgia. Type locality : Auburn, Alabama, on Aiidropogon virginicus. Distribution : North Carolina, Georgia and Alabama. BxsicCATi: Sydow, Ust. 189; Seym. & Earle, Econ. Fungi 531, C 122.