Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules present;

central strand weak or absent.

unbranched;

axillary hyaline nodules present;

central strand absent.

as many as 25 pairs, narrowly lanceolate to ovate–lanceolate, acute to sharply acute to short acuminate, to 1.9 × 0.3;

dorsal lamina narrowed proximally, ending before or at insertion, infrequently ± decurrent;

vaginant laminae 1/2–4/5 leaf length, ± equal, minor lamina ending on or near margin;

margin entire, limbate on all laminae, limbidium confluent at apex or ending shortly before apex, extending to base of dorsal lamina, limbidial cells 2–3-stratose;

costa percurrent to excurrent, bryoides-type;

laminal cells 1-stratose, distinct, smooth, ± bulging, firm-walled, elongate, 7–22 × 4–13 µm, increasing in size toward proximal part of leaf.

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.

to 12 mm.

2–23.5 mm.

rhizoautoicous;

perigonia gemmiform, proximal to infertile and fertile stems.

rhizautoicous and gonioautoicous;

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

theca exserted, ± erect, radially symmetric to inclined, arcuate, bilaterally symmetic, 0.35–1.25 mm;

peristome bryoides-type;

operculum 0.25–0.3 µm.

theca exserted, erect, radially symmetric to ± arcuate, bilaterally symmetric;

peristome bryoides-type;

operculum 0.2 mm.

cucullate, smooth, 0.5 mm.

and spores not seen.

11–18 µm.

1 per perichaetium.

1 per perichaetium.