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Dicranoweisia contermina Renauld & Cardot 1895

Comprehensive Description

provided by North American Flora
Dicranoweisia contermina Ren. & Card.; Holz. Contr. U. S. Nat
Herb. 3 : 269. 1895.
Autoicous : male flower usually close to the base of the perichaetium, of numerous antheridia and paraphyses within very broad, short-pointed, brownish perigonial leaves: plants in mostly extensive, rather compact, yellowish-green cushions, with stems up to 3.5 cm. high: leaves spreading on all sides when moist, crispate when dry, up to 4 mm. long, with flat, entire margins, gradually narrowed upward to a slender, grooved point often quite rough toward the apex with mamillose cells ;costa percurrent or slightly excurrent, 40-65 li wide at the base and one sixth to one eighth the width of the leaf-base; cells at the basal angles rather narrowly rectangular, mostly not forming distinct alar groups, in the lower part of the leaf rectangular, longer toward the costa, shorter toward the margin, in the upper part roundish, often transversely elongate, the median 6-7 y. wide; outer perichaetial leaves from an ovate base rather abruptly narrowed to a flexuous point, the inner ones with a high, convolute base abruptly narrowed to a straight point, mostly filled by the excurrent costa and usually less than one half as long as the convolute part: seta brownish, up to 16 mm. long: capsule erect, symmetric, oval-cylindric, scarcely 2 mm. long, brown, more or less rugose when dry; annulus wanting; lid with a slender, erect beak more than one half as long as the capsule ; peristome-teeth brownish, more or less papillose toward the apex, the outer plates variously striate a little above the base, the basal plates smooth, the median line mostly indistinct : spores nearly smooth, about 1 2 fi in diameter.
Type locality: Idaho.
Distribution: Alaska to California and eastward to Montana.
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bibliographic citation
Robert Statham Williams. 1913. (BRYALES); DICRANACEAE, LEUCOBRYACEAE. North American flora. vol 15(2). New York Botanical Garden, New York, NY
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