Campylopus bermudianus

Campylopus bermudianus R. S. Williams; Br it ton, Jour. N. Y
Bot. Gard. 13: 193. 1913.
Plants in rather dull-green, not very compact tufts, tomentose within; stems about 4 cm. high, branching, often with flagella, more or less interruptedly foliate : leaves often comose at the apex, mostly laxly spreading-flexuous all around, the upper about 6 mm. long, lanceolate, grooved above, not subtubulose, sharply serrate at the apex and more or less serrulate on the margin one half down or more; costa per current or slightly excurrent, about 225 /x wide below and one third the width of the lower part of the leaf, with prominent serrate lamellae 2 or 3 cells high on the back above, in cross-section near the middle showing a median row of 7 or 8 large cells with stereid-bands above and below, the lower band with a row of differentiated outer cells; alar cells reddish, inflated, the cells just above mostly rectangular, pale, broad toward the costa, narrow toward the margin, with scarcely thickened or pitted walls, in the leaf above soon becoming smaller, with slightly thickened walls rarely pitted near the costa; median and upper cells of the blade mostly 6-8 ju wide and 8-20 m long, with uniformly slightly thickened walls: flowers and fruit unknown.
Typs locality: Paget Marsh, Bermuda. Distribution: Known only from the type locality.