Flora of North America species comparison

branched;

axillary hyaline nodules absent;

central strand present.

unbranched and branched;

axillary hyaline nodules absent;

central strand present or 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 25 pairs, often undulate, oblong-lingulate, abruptly narrowed to rounded-obtuse apex, 1.2–2 × 0.3–0.4 mm;

dorsal lamina narrowed proximally, rounded, ending a short distance before insertion;

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

margin crenulate, elimbate;

costa ending 4–10 cells before apex, oblongifolius-type, distal part of leaf in transverse section showing 4 enlarged cells arranged in 2 rows;

laminal cells in dorsal and ventral laminae 1-stratose, distinct, lenticularly thickened but appearing mammillose, firm-walled, irregularly hexagonal, 6–9 µm, juxtacostal and interior cells of vaginant laminae 1-stratose, smooth, plane, larger;

medial marginal cells of vaginant laminae not differing perceptively from interior cells.

1.5–5.5 mm.

to 4.5 mm.

cladautoicous;

perigonia and perichaetia on main stems and branches.

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

peristome taxifolius-type;

operculum long rostrate, 0.6–0.9 mm.

theca erect, radially symmetric, 0.3–1 mm;

peristome similiretis-type;

operculum 0.5–0.6 mm.

cucullate, smooth, 1.5 mm.

0.7–0.8 mm.

13–18 µm.

11–15 µm.

1 per perichaetium.

1 per perichaetium.