S i [ - 2240 ]
JUNGERMANNIA albicans.
Whitish Jungermannia.
CRYPTOGAMIA Hepaticce.
Gen. Char, Male flowers sessile.
Capsule on a stalk rising from a sheath, o f 4 valves.
Seeds attached to elastic filaments.
Spec. Char. Stems ascending, somewhat branched.
Leaves in two rows, oblong, recurved, single-
ribbed ; their side-lobes elliptical, imbricated.
Sheaths terminal, inflated, many-toothed.
Syn. Jungermannia albicans. Linn, Sp. Pl. 1599,
Huds. 513. With. 876. Hull 279. Light/. 777,
_ Winch, v. 2. 27. • Ehrh. Crypt. 87.
Lichenastrum trichomanis facie, capitulis efoliorum
summitate enascentibus, minus. Dill, in Rati
Syn, 112.
L. auriculatum, pinnulis angustis planis recurvis.
Dill. Muse. 492. t. 7 1 . / 20.
Hepaticoides albescens, folds pinnatis. Vaill.
Paris. 100, t. 19. ƒ. 5.
S p e c im e n s of this were communicated to us by Mr. Hooker,
as the only Jungermannia that has a rib to its leaves, and
this indeed is but incomplete, vanishing about the middle, or
a little beyond. Dillenius says it is abundant in woods .and
shady places. Our local writers, except Mr. Winch, mention
it not. . ■ ' ........* •
The stems are an inch or two tall, sometimes tufted and upright,
sometimes more lax and only ascending, though rooted
only at their base, and not creeping. They are generally subdivided,
and all over clothed with small leaves, of a whitish
green tinged with red, imbricated in two rows, but recurved,
their form oblong and obtuse, keeled, with a rib chiefly towards
their bottom. Their extremities are,undivided, but each bears
on one side, at its base, a little elliptical side-lobe, and these
being all on the same side of the stem, lie imbricated over each
other in two rows. The sheaths are terminal, solitary, short
and inflated, somewhat plaited, with numerous unequal marginal
segments. Eruitstalk white and capillary, an inch long.
Capsule brown.
A morsel of a purplish variety of this is by mistake figured
in our t. 1023 on the left hand.