tinge, to nearly black. Perigonial leaves almost
the same, more crowded and imbricate, either entire
or slightly crenate. Calyx narrow at the base,
attenuate and cylindrical, compressed and incurved
towards the mouth, which is truncate and entire.
Capsule deep brown. Fdaters bispiral.
Scapania irrigua, N., Dum.
Creeping, leaves deeply and unequally conduplicate,
two-lobed, lobes rounded, somewhat
mucronate, anterior twice as small,
incurved at the apex, perichæt ial leaves bifid,
lobes equal.
Jungermannia irrigua, Nees Eur. Leb. L,
p. 193. Scapania irrigua, Dumor t . Rev. Jung,
p. 1 5 ; Gott. and Rab. Exs . 3 1 7 , 332, 383, 392,
454, 507 ; Carr, and Pears. Exs. 93.
Mixed with mosses.
Stems creeping, leaves repand, rather rigid,
deeply and unequally bilobate, lobes rounded
and somewhat mucronate, the ventral adpressed ;
the dorsal twice smaller, convex, incurved at the
apex. Involucral leaves bifid, lobes nearly
equal, denticulate ; perianth ovate, compressedly
angular, mouth denticulate.— {Plate 3, Jig. 3 6 )
Scapania umbrosa, Schr., Dum.
S tem somewhat erect, branched, leaves unequally
conduplicate, two-lobed, lobes acute,
serrate, the larg er ovate, strap-shaped, the
smaller ovate. Per ianth with an entire mouth.
Jungermannia umbrosa, Schrad. Samm. I I . ,
p. 3; Hook. Br. Jung. No. 24 and Suppl. 3 ; Eng.
Bot. t. 2527; Gott. and Rab. Exs. Nos. 57, 355,
412, 425 ; Carr, and Pears. Exs. No. 20; Cooke
Hep. fig. 51. Scapania umbrosa, Dum. Rev.
Jung. p. 15.
In mountainous districts. (Fr. April, May.)
Growing in small dense patches, amongst mosses.
Stem short, generally not exceeding i inch,
erect, or ascendent, flexuous, pale reddish brown,
simple, or once or twice dichotomous, with lateral
innovations. Leaves bifarious,
horizontal, imbricate, divided into
two unequal adpressed vertical
lobes, the inferior the largest,
ovate, acute, recurved, and sharply
serrated (fig. 93), serratures irregular
and half way down from the
apex. Superior lobe not so large
by two-thirds, rounded-ovate,
acute, exterior surface convex,
apex sharply and unequally serrated.
Colour pale yellow-green,
sometimes inclining to brown.
Texture rather firm. Perichætial
leaves resembling the cauline ones,
but the inferior lobes more recurved, and the
superior about half their size. Calyx cylindrical
at the base, or ventricose, becoming depressed and
quite flat at the mouth, which is truncate and
entire. Capsule brown. Elaters bispiral.— {Plate ?
fig - 3 7 ) ^