Flora of North America species comparison

branched;

axillary hyaline nodules absent;

central strand present.

unbranched and branched;

axillary hyaline nodules weak or absent;

central strand weak.

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 22 pairs, ligulate to oblong-lanceolate, obtuse-mucronate to acute, to 4 × 0.3–0.5 mm;

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

vaginant laminae 1/2–2/3 leaf length, equal in proximal leaves, unequal in distal leaves, minor lamina ending between margin and costa or rounded and ending on or near costa;

margin entire but sometimes serrulate distally, limbate on all laminae, limbidium confluent at apex or ending a few cells before, limbidial cells 2- to 5-stratose;

costa percurrent or ending in mucro, bryoides-type;

laminal cells 1- to irregularly 2-stratose, smooth, slightly bulging, firm-walled, irregularly hexagonal, many somewhat elongate, 10–16 µm, juxtacostal and basal cells of vaginant laminae somewhat larger, quadrate to oblong.

1.5–5.5 mm.

4–4.5 mm.

rhizautoicous or synoicous;

perigonia and perichaetia on elongate stems.

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 slightly inclined, bilaterally symmetric, 0.6–0.85 mm;

peristome bryoides-type;

operculum 0.4 mm.

cucullate, smooth, 1.5 mm.

not seen.

13–18 µm.

14–25 µm.

1 per perichaetium.

1–2 per perichaetium.