Illl8t
2740
H Y P N U M demissum.
Prostrate Feather Moss.
CRYPTOGAMIA Musci.
Gen. Char. Fruitstalks lateral. Peristome double,
outer of 16 teeth; inner peristome a membrane
cut into 16 equal segments, and usually with intermediate
filiform processes. Calyptra dimidiate.
Spec. Char. Stem prostrate, with a few slender
branches. Leaves erect, sub-unilateral, elliptic-
lanceolate, acute, nerveless, entire, the margin
recurved. Capsule elliptical, cernuous; lid with
a long beak.
ROM the woods of Cromagloun Mountain, near the
Upper Lake of Killarney, Ireland, growing on the most
inclined faces of detached rocks, in August 1829. It has
since been observed near Beddgelert in North Wales.
Stems and branches quite prostrate, scarcely interwoven,
very weak and slender, above an inch long, forming broad,
shining, and compact flakes. Leaves shining, yellowish,
slightly spreading, all pointing upwards, narrowly elliptical,
nerveless, or sometimes faintly 2-nerved at the base,
concave, with recurved entire margins, suddenly contracted,
or pinched, below the apex. Capsule pale brown, cernuous,
narrowly ovate, tapering below into the fruitstalk. Lid
with a long slender beak. Fruitstalk smooth, very slender,