Flora of North America species comparison

mostly branched;

axillary hyaline nodules absent;

central strand present.

unbranched and branched;

axillary hyaline nodules absent;

central strand absent.

as many as 15 pairs, often undulate, oblong to lanceolate, obtuse to broadly acute, cuspidate, to 2.7 mm × 0.6 mm;

dorsal lamina truncate-rounded proximally, ending at insertion, not decurrent;

vaginant laminae 2/3 the leaf length, ± equal, minor lamina ending on or near margin;

margin evenly serrulate, often crenulate-serrulate on dorsal and ventral laminae, elimbate;

costa ending in cuspidate apex, taxifolius-type;

laminal cells 1-stratose, distinct, smooth, bulging, firm-walled, irregularly hexagonal, 8–11 µm frequently paler at margin, conspicuously mammillose in vaginant laminae, larger and clearer juxtacostally.

as many as 12 pairs, oblong to lingulate, broadly acute to obtuse, sometimes apiculate, to 1.4 × 0.5 mm;

dorsal lamina narrowed proximally, ending at insertion, not decurrent;

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

margin crenulate-serrulate but limbate and entire on proximal 1/3–1/2 of vaginant laminae of most leaves, limbidial cells 1-stratose;

costa ending 2–6 cells before apex, bryoides-type;

lamina cells 1-stratose, distinct, mammillose, firm-walled, irregularly hexagonal, 7–12 µm, smooth, larger, ± oblong, pellucid juxtacostally in proximal parts of vaginant laminae.

to 17 mm.

to 2 mm.

rhizautoicous;

perigonia on short branches proximal to elongate stems;

perichaetia on short, proximal, axillary branches.

gonioautoicous.

theca slightly inclined, slightly arcuate, bilaterally symmetric, to 1.5 mm;

peristome taxifolius-type;

operculum to 1 mm.

theca exserted, erect, radially symmetric, 0.5 mm;

peristome scariosus-type;

operculum 0.4 mm.

cucullate, smooth, to 2 mm.

cucullate, smooth, 0.3–0.5 mm.

13–18 µm.

10–16 µm.

1 per perichaetium.

1 per perichaetium.