MUSGOS BRYACEAE CLAVE

than entire.
Bryaceae
Small to robust, usually tufted plants. Stems erect, simple or branching
by subfloral innovations, often matted with radicles below. Leaves lanceolate
to ovate or obovate, often bordered, larger and often clearly tufted at
stem apex; costa strong, usually percurrent or excurrent; cells linear to laxly
rhomboidal, often narrower at margins. Calyptra cucullate, generally small.
Capsule exserted, inclined to pendulous, rarely erect, usually elongate and
tapering to distinct neck; stomata numerous, confined to neck; operculum
convex and apiculate; peristome sometimes lacking, or consisting only of
exostome or endostome, but usually double, the 16 teeth alternating with
the keeled segments, usually rising from high, keeled basal membrane, cilia
often present.
Leaves in 3 to 4 rows, dimorphous, dorsal smaller (1) Epipterygium
Leaves uniform, in many rows.
Capsules erect or nearly so; segments of endostome lacking or rudimentary; leaves
closely imbricate (2) Brackymenium
Capsules inclined to pendent, segments well developed; leaves erect or spreading.
Stems producing rhizomelike stolons; sporophytes clustered (3) Rkodobryum
Stems not stoloniferous; sporophytes single (4) Bryum