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FNA | Family List | FNA Vol. 27 | Funariaceae | Entosthodon

3. Entosthodon wigginsii Steere, Bryologist. 41: 36, figs. 1-8. 1938.

Plants 2-5 mm, yellow green, the main axis often arising from a fleshy rhizome. Leaves shriveled and distorted when dry, obovate to oblong-spathulate, imbricate, somewhat concave, mostly 2-3 mm; margins serrulate by projecting ends of thin-walled cells; apices acute, sometimes with a short apiculus; costa ending 4-6 cells before the apex; basal laminal cells rectangular (85-120 × 25-30 µm), distal cells irregularly polygonal to hexagonal or oblong-rectangular, a little longer but not otherwise differentiated at the margins. Seta brownish basally and paler distally, 5-8 mm, straight, not hygroscopic. Capsule pyriform to elongate-pyriform from an apophysis about half the total length, 1.5-2 mm, becoming sulcate when dry and empty; exothecial cells thickened, narrowly oblong and transversely elongate in 4-5 rows proximal to the mouth; operculum planoconvex; peristome double, exostome teeth bright red becoming paler at the tip, lanceolate with 7-8 articulations, obliquely striate basally, papillose at the tips, endostome well developed from a pale basal membrane bearing irregular segments. Calyptra cucullate, long-beaked, inflated around the capsule, large, smooth. Spores 20-24 µm, bacculate-insulate often in persistent tetrads at maturity.

Fine soil, crevices of rocks, base of cliffs; moderate to high elevations; Ariz., Utah.


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