Flora of North America species comparison

usually branched;

axillary hyaline nodules absent;

central strand present.

unbranched and branched;

axillary hyaline nodules absent;

central strand absent.

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 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 11 mm.

to 2 mm.

dioicous;

perigonia on short axillary branches and elongate stems;

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

gonioautoicous.

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

peristome taxifolius-type;

operculum 1–1.4 mm.

theca exserted, erect, radially symmetric, 0.5 mm;

peristome scariosus-type;

operculum 0.4 mm.

cucullate, smooth, 1.8 mm.

cucullate, smooth, 0.3–0.5 mm.

13–20 µm.

10–16 µm.

1 per perchaetium.

1 per perichaetium.