Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules absent;

central strand weak.

branched;

axillary hyaline nodules absent;

central strand present.

as many as 12 pairs, oblong to lanceolate, acute to obtuse-apiculate, most ending in a clear, sharp cell, to 1.8 × 0.4 mm;

dorsal lamina narrowed or rounded proximally, ending at or before insertion, not decurrent;

vaginant laminae 1/2–2/3 leaf length, unequal, minor lamina ending near margin;

margin serrulate, limbate and entire to remotely denticulate on proximal 2/3 or less of vaginant laminae of most leaves of perichaetial stems, often absent from leaves of infertile stems, limbidium intralaminal in part or completely, limbidial cells 1-stratose;

costa ending 2–4 cells before apex or percurrent, ending in apiculus, infrequently short-excurrent, bryoides-type;

lamina cells 1-stratose, pluripapillose, obscure, firm-walled, rounded-hexagonal, 5–8 µm, twice as deep as wide.

as many as 20 pairs, lorate to lanceolate, acute to rounded, apiculate, to 2.35 × 0.35–0.65 mm;

dorsal lamina usually rounded proximally, ending at insertion, sometimes ending before insertion or slightly decurrent;

vaginant laminae 1/2 leaf length, ± equal, minor lamina ending on or near margin;

margin mostly crenulate on dorsal and ventral laminae, mostly serrulate on vaginant laminae and distally, elimbate;

costa variable in length, even on same plant, excurrent into apiculus to ending several cells before apex, taxifolius-type;

lamina cells 1-stratose, distinct, smooth, slightly bulging, firm-walled, quadrate to irregularly hexagonal, 6–15 µm, somewhat larger justacostally, marginal row thinner, paler.

to 5 mm.

rhizautoicous and gonioautoicous.

dioicous(?);

perigonia unknown;

perichaetia on short proximal stems and axillary in proximal leaves.

theca exserted, erect, radially symmetric, to 0.8 mm;

peristome scariosus-type;

operculum to 0.5 mm.

cucullate, smooth, to 0.6 mm.

9–13 µm.

1 per perichaetium.

, calyptra, and spores not known.