Comprehensive Description
provided by North American Flora
Sphacelotheca nealii (Ellis & And,) Clinton, Proc. Bost
Soc. Nat. Hist. 31 : 389. 1904.
Ustilago Nealii Ellis & And. Jour. Myc. 6: 116. 1891.
Sori in the ovaries or spikelets, 0.5-2 cm. in length, oblong to ovate, often forming conspicuous nodules at basal part of spike, with evident tough whitish false membrane rupturing from apex and disclosing a black-brown semi-agglutinated spore-mass and a more or less evident columella ; sterile cells hyaline, often adhering in groups, usually subspherical and larger than spores; spores reddish-brown, ovoid to chiefly subspherical, often angular, usually smooth, chiefly 7-11 ^ in length.
On Poaceae :
Heteropogon melanocarpus (H. acuminatus), Florida; Mexico. Type locality : I^ake City, Florida, on Heteropogon melanocarpus. Distribution: Florida and Mexico (Chapala and Guadalajara).
- bibliographic citation
- George Perkins Clinton. 1906. USTILAGINALES; USTILAGINACEAE, TILLETIACEAE. North American flora. vol 7(1). New York Botanical Garden, New York, NY
