γ. serratum. stems taller; l. recurved from a
sheathing base, coarsely serrated.
δ. compactum. st. shorter and slender; l. shorter lanceolate from an ovate base, entire, or very slightly toothed at apex; caps. gibbous on a shorter pedicel.
ε. gracilescens. l. narrower; caps. smaller.
Sect. III. L. squarrose, or patent spreading.
73. D. pellucidum. Hedw. St. 1-2in. loosely tufted; l. distant, lanceolate, margins undulate, denticulate, papillose obtuse; caps. shortly ovate; lid conical rostrate; dioicous.
Wet stones in streams. X. XI.
var. β. fagimontanum. st. short, branches slender, l.
shorter.
γ. serratum. l. crenato-serrate, with a more acute point; caps. oval or oblong, lid with a slender beak.
74. D. crispum. Hedw. St. 1/4in. gregarious, l. subulate
from a broadish sheathing base setaceous above, long,
spreading flexuose, minutely dentate, nerved to apex; caps.
almost erect, oval or obovate, striate; lid with a long
oblique subulate beak: monoicous.
Moist sandy banks, not common. X. XI.
75. D. Grevillianum. B. & S. L. with a broad sheathing base, suddenly lanceolate-subulate prolonged, wide-spreading and wavy, entire, nerve broad; caps. ovate, sub-striate, strumose; lid with a beak longer than capsule: monoicous.
