Flora of North America species comparison

branched;

axillary hyaline nodules absent;

central strand present.

unbranched and branched;

axillary hyaline nodules 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 35 pairs, lanceolate to oblong-lingulate, acute to obtuse-apiculate; to 5 × 0.9 mm;

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

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

margin ± entire, limbate on all laminae, limbidium reaching apex or ending a few cells before apex and a few cells above insertion of dorsal lamina, limbidial cells 3- to 6-stratose;

costa ± percurrent, bryoides-type;

laminal cells 1-stratose, or variably 2-stratose, smooth, slightly bulging, firm-walled, irregularly quadrate to hexagonal, 8–13 µm, ± twice as deep as wide.

1.5–5.5 mm.

stout, to 3 mm, geniculate.

probably rhizautoicous;

perigonia not seen;

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 emergent, erect, radially symmetric, to 1.2 mm;

peristome bryoides-type;

operculum 0.4 mm.

cucullate, smooth, 1.5 mm.

not seen.

13–18 µm.

23–40 µm.

1 per perichaetium.

1–2 per perichaetium.