Arnium kansense (Griffiths) J. C. Krug & Cain 1972

Pleurage kansensis D. Griff. Mem. Torrey Club 11 : 83. 1901
Sordaria kansensis Sacc. Syll. Fung. 17 : 602. 1905.
Perithecia scattered or aggregate, sunken or nearly superficial, exposed portion covered withlong flexuous, olivaceous-brown, septate hairs, 375-450X600-800^. thin, membranaceous Rreenish below when young, but becoming completely black and bare at maturity ; beak papilHform to cylindric, black, bare, and usually curved; asci 8-spored, cylmdric. broadly rounded above and contracted below into a short slender stipe, 26-32X180-240//, evanescent ; paraphyses ventricose, agglutinate, abundant, longer than the asci and not mixed with them; spores obliquely 1-seriate, ellipsoid, rounded at both ends, 18-21 X 26-35 //, ranging from hyaline when young through olivaceous to dark-brown and opaque ; primary appendage entirely absent ; secondary appendages attached to each end of the spore, long, gelatinous, evanescent, each composed of 2 closely united filaments, which appear to fuse distally, and are striate longitudinally, making them appear as though formed of still smaller subdivisions.
On dung of horses and cows. Type locality : Rooks Countv, Kansas. Distribution : South Dakota to Arizona and Texas.