Flora of North America species comparison

0.2–0.6 cm.

3–12 cm, erect, mostly simple.

2–4 mm, when dry loosely sheathing at the base, the blade narrow, curved and often hooked at the tips, erect-spreading and almost straight when moist;

sheath oblong to oblong-ovate, in leaves near the base of the shoot abruptly contracted to the blade, in distal leaves more gradually tapering, not hyaline-margined, with a narrow strip of incrassate cells at the shoulders;

blade narrowly lanceolate to linear, slenderly acuminate, ending in a short point;

marginal lamina ± plane, variable in width, 1-stratose, irregularly notched-dentate or at times almost entire;

costa smooth or weakly toothed abaxially near the tip;

lamellae 11–16, entire in profile, 4–8 cells high, the marginal cells larger and rounded in section, single or in pairs, smooth;

sheath cells short-rectangular;

cells of lamina 10–12 µm, subquadrate to irregular.

5–9 mm, strongly crisped and contorted when dry, plane and broadly spreading when moist, loosely sheathing at base, linear-lanceolate, ending in a short spine;

sheath not strongly differentiated, with gradually sloping shoulders, toothed nearly to the base with small sharp teeth oriented at right angles to the margin, hinge-tissue not differentiated;

margins of blade thickened, (1–)2-stratose, coarsely serrate, scalloped, the serrations ending in a sharp-pointed, narrowly conical, reddish orange tooth cell;

marginal lamina 1-stratose, to 6 cells wide;

costa smooth adaxially or sharply toothed at the extreme tip;

lamellae 40–48, entire in profile, 2–5 cells high, the marginal cells in section slightly larger but otherwise undifferentiated, thin-walled, smooth;

sheath cells short rectangular;

cells of the abaxial surface of blade 24–27 µm wide, irregularly quadrate to hexagonal, transversely elongate, firm-walled, with distinct corner thickenings, and a narrow median strip of cells short-rectangular and longitudinally elongate.

1–3.5 cm, reddish.

3–5 cm.

2.5–4 mm, erect or nearly so, sometimes indistinctly angled;

exothecium scabrous, the cells short-rectangular, thick-walled;

operculum obliquely rostrate;

peristome 190–220 µm, divided to 0.8.

2–3.5 mm, reddish brown to blackish brown, sometimes with 4 or more indistinct angles or ridges, erect to slightly inclined and asymmetric;

exothecium finely scabrous, the cells distinctly papillate;

peristome 300–350 µm, divided to 0.6, dark reddish orange with hyaline margins.

9–12 µm.

8–13 um.