Flora of North America species comparison

usually branched;

axillary hyaline nodules absent;

central strand present.

unbranched and branched;

axillary hyaline nodules absent;

central strand weak.

as many as 25 pairs, often undulate, oblong to lanceolate, obtuse to acute, often apiculate, to 3.5 × 0.7 mm;

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

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

margin crenulate to crenulate-serrulate but unevenly serrate at leaf apex, elimbate;

costa ending a few cells before apex to percurrent, taxifolius-type;

laminal cells irregularly 2-stratose in dorsal and ventral laminae, ± obscure, smooth, bulging, firm-walled, rounded-hexagonal, 7–10 µm, 3–4 rows of marginal cells thinner, walls slightly thicker, forming a pale marginal band.

as many as 35 pairs, lanceolate to oblong-lingulate, acute to obtuse-apiculate; to 5 × 0.9 mm;

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

vaginant laminae 1/2–2/3 leaf length, equal;

margin ± entire, limbate on all laminae, limbidium reaching apex or ending a few cells before apex and a few cells above insertion of dorsal lamina, limbidial cells 3- to 6-stratose;

costa ± percurrent, bryoides-type;

laminal cells 1-stratose, or variably 2-stratose, smooth, slightly bulging, firm-walled, irregularly quadrate to hexagonal, 8–13 µm, ± twice as deep as wide.

to 11 mm.

stout, to 3 mm, geniculate.

dioicous;

perigonia on short axillary branches and elongate stems;

perichaetia on short axillary branches, mostly near proximal ends of stems.

probably rhizautoicous;

perigonia not seen;

perichaetia on elongate stems.

theca slightly inclined, slightly arcuate, bilaterally symmetric, to 1.8 mm;

peristome taxifolius-type;

operculum 1–1.4 mm.

theca emergent, erect, radially symmetric, to 1.2 mm;

peristome bryoides-type;

operculum 0.4 mm.

cucullate, smooth, 1.8 mm.

not seen.

13–20 µm.

23–40 µm.

1 per perchaetium.

1–2 per perichaetium.