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Spermoedia cinerea

Comprehensive Description

provided by North American Flora
Spermoedia cinerea (D. Griff.) Seaver
Clavtceps cinereum D. Grife. Bull. Torrey Club 28 : 240. 1901.
Sclerotia clavate, gradually tapering upwards, straight, curved, twisted, or contorted, 1.5-3 cm. long and 1.75-2.5 mm. thick at the base, very viscid while developing, the base permanently invested by the flowering glumes of the host which are smooth, shining, black and closely adherent, smooth as far as covered by the glumes, reticulate for some distanceabove, the reticulations gradually disappearing above and merged into closely placed, longitudinal striations which disappear near the apex where the surface is nearly smooth or irregularly roughened, dark-gray at the base, gradually fading to very light-gray or almost white at the apex ; stromata erect, erumpent ; stem cylindric or slightly fusiform, short, stout, almost white ; head slightly flattened below and overlapping the upper end of the stalk, 2-3 mm. in diameter, light-gray, almost smooth, viscid, covered with small, darker points indicating the position of the perithecia ; perithecia immersed, ovoid or subovoid, 190-225X60-90//; asci narrowly cylindric, slightly narrowed below into a rather long, stout pedicel and slightly enlarged at the point of attachment, 135-150 X 4-5>.
Growing on the inflorescence of species of Hilaria. Type locality : Cochise, Arizona. Distribution ; Known only from the type locality.
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bibliographic citation
Fred Jay Seaver, Helen Letitia Palliser, David Griffiths. 1910. HYPOCREALES, FIMETARIALES. North American flora. vol 3(1). New York Botanical Garden, New York, NY
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