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Campylopus roellii

Comprehensive Description

provided by North American Flora
Campylopus roellii Ren. & Card. Bull. Soc. Bot
Belg. 38 1 : 9. 1900.
Plants densely cespitose, yellowish to rustygreen; stems erect, simple or divided, much attenuate, tomentose below, 1.5-2 cm. high: leaves about 5 mm. long, rather closely imbricate. suberect or subsecund, often deciduous, from an oblong-lanceolate base gradually long-subulate, somewhat tubulose, the apex sparsely denticulate, the very narrow blade extending to near the apex; costa shortly excurrent, 300-400 [i wide near the base and extending three fourths or more across the leaf -base, slightly ribbed on the back, in cross-section showing three layers of cells, the ventral large and empty, the median and dorsal layers small and thick-walled with stereid-cells intermixed; alar cells lax, thin, hyaline or fuscous, the cells next above them elongate-rectangular, about 12 n by 60 fi half way to the costa, those toward the margin narrower but not forming a distinct border, farther up irregular, becoming short, subrectangular to subrhomboidal, with somewhat thickened not pitted walls: fruit unknown.
Type locality: Juan Viiias, Costa Rica, at 1130 meters. Distribution : Known only from the type locality.
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cc-by-nc-sa-3.0
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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