Comprehensive Description
provided by North American Flora
Pleuridium subulatum (Huds.) Rab. Deutschl Krypt.-Fl. 2': 79. 1848. Phascum subulatum Huds. Fl. Angl. 397. 1762.
Plants gregarious in bright, glossy, green cushions; stems very short, 2-3 mm. high, simple or branching subapically: basal leaves distant, short, ovate-lanceolate, the upper ones longer, more crowded, erect or subsecund, lanceolate-subulate, the blade in cross-section often of two layers of cells on each side of the costa, also sometimes sporadically toward the margin; awn minutely serrate, and rough on the back; perichaetial leaves 3-5 mm. long, gradually subulate, the base entire, with lax oblong cells, the awn roughly serrate, with margins incurved. Paroicous: antheridia naked in the axils of the perichaetial leaves: seta short: calyptra cucullate: capsule ovoid, 0.75-1 mm. long, apiculate: apex small and blunt, straight or oblique: spores brown, warty, 21-28 ^ in diameter, maturing in March and April.
Type locality: England.
Distribution: In sandy fields, Massachusetts to Georgia and Alabama.
- bibliographic citation
- Albert LeRoy Andrews, Elizabeth Gertrude Britton, Julia Titus Emerson. 1961. SPHAGNALES-BRYALES; SPHAGNACEAE; ANDREAEACEAE, ARCHIDIACEAE, BRUCHIACEAE, DITRICHACEAE, BRYOXIPHIACEAE, SELIGERIACEAE. North American flora. vol 15(1). New York Botanical Garden, New York, NY
