Flora of North America species comparison

branched;

axillary hyaline nodules absent;

central strand present.

unbranched;

axillary hyaline nodules present;

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 9 pairs, lanceolate, acute to obtuse-apiculate, to 0.5–1 × 0.1–0.2 mm;

dorsal lamina narrowed proximally, ending at insertion or slightly before;

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

margin ± entire, elimbate or irregularly limbate, limbidium best developed on perichaetial and subtending leaves, limbidial cells 1-stratose, infrequently 2-stratose;

costa ending 2–3 cells before apex to percurrent, bryoides-type;

laminal cells 1-stratose, smooth, slightly bulging, firm-walled, irregularly hexagonal, 9–11 µm, many slightly longer than wide.

1.5–5.5 mm.

2–23.5 mm.

rhizautoicous and gonioautoicous;

perigonia gemmiform, proximal to infertile and fertile stems, and axillary.

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 to ± arcuate, bilaterally symmetric;

peristome bryoides-type;

operculum 0.2 mm.

cucullate, smooth, 1.5 mm.

and spores not seen.

13–18 µm.

1 per perichaetium.

1 per perichaetium.