Flora of North America species comparison

and branch leaves slightly differentiated.;

stem leaves nearly straight, ovate-lanceolate, gradually narrowed to apex, concave, slightly plicate, 1.3–2 × 0.4–0.5 mm;

margins plane, sometimes slightly involute distally;

acumen long;

costa double, short;

alar cells 8–10 along margins, in 5–8 rows;

medial laminal cells 50–80 × 4–5 µm. Branch leaves narrowly ovate-lanceolate, shorter, 1.1–1.4 × 0.3–0.5 mm.

1–1.8 cm.

erect, oblong-cylindric, 1.6–2.2 × 0.4–0.6 mm;

exothecial cells rounded-rectangular;

operculum conic, obliquely short-pointed;

peristome perfect, long;

exostome teeth lance-subulate, 0.2 mm, base 70 µm wide, slightly papillose distally;

endostome free, basal membrane well developed, segments linear-subulate, longer than exostome teeth, 0.3 mm beyond mouth, papillose distally, not perforate, never split, cilia simple.

11–14 µm.