Flora of North America species comparison

branched;

axillary hyaline nodules absent;

central strand present.

unbranched;

axillary hyaline nodules absent;

central strand absent.

as many as 28 pairs, sometimes ± undulate, oblong, obtuse-apiculate to acute, to 2.4 × 0.3–0.4 mm;

dorsal lamina narrowed proximally, ending before or at insertion;

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

margin evenly crenulate-serrulate but irregularly serrate distally;

costa ending 6–16 cells before apex, covered and obscured above by chlorophyllose cells, taxifolius-type;

lamina cells irregularly 2-stratose, smooth, bulging, firm-walled, irregularly rounded-hexagonal, 7.5–10 µm. Sexual condition gonioautoicous and cladautoicous;

perigonia gemmiform, axillary, and on short branches;

perichaetia on short axillary branches near proximal ends of stem.

as many as 6 pairs, lanceolate, acute to obtuse, sometimes apiculate, to 2.2 × 0.5 mm;

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

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

margin entire but sometimes ± serrulate distally, limbate, limbidium 1–2 cells wide, ending before apex, often indistinct on vaginant laminae, limbidial cells 1-stratose; ecostate, or costa consisting of very short proximal vestige;

laminal cells 1-stratose, smooth, thin-walled, hexagonal to elongate-hexagonal, 31–67 × 14–34 µm, ± oblong in proximal portions of leaves, particularly in vaginant laminae.

1.5–5.5 mm.

to 3 mm.

rhizautoicous;

perigonia gemmiform, proximal to perichaetial stems, and on elongate stems, to 1.2 mm.

theca 0.8–2.1 mm, erect, radially symmetric or nearly so;

peristome taxifolius-type;

operculum long rostrate, 0.6–0.9 mm.

theca exserted, erect, radially symmetric, sometimes slightly arcuate, bilaterally symmetric, to 0.4 mm;

peristome scariosus-type;

operculum ± as long as theca.

cucullate, smooth, 1.5 mm.

mitrate, prorate, 0.4 mm.

13–18 µm.

9–13 µm.

1 per perichaetium.

1 per perichaetium.