Linn. Journ. X I I L ; Carr, and Pears. Exs. i8o.
Anthelia Turneri, Dumort. R e v . Jung. p. i8.
Banks of mountain streams. (Fr. March.)
Forming patches creeping on the ground, i to 2
inches diameter and radiating from a centre,
8l.
pale yellowish green, stems
three or four lines long, procumbent,
slender, flexuous
mostly simple, sometimes
irregularly divided, rootlets
from the under side ; leaves
somewhat close and regular,
in two rows, spreading, embracing
at the base, broadly
ovate, divided half way by an acute sinus into two
ovate or lanceolate sharp, almost conduplicate segments,
fringed at the margins with large spine- ike
teeth of unequal size (fig. 81). Colour pale yellow
crreen Perichsetial leaves closely imbricate on all
sides of the calyx, differing from the cauline m
being quadrate, frequently broader than long, and
cleft for one-third of their length into three or four
ovate acute spiny dentate erect segments. C a lyx
linear-oblong, slightly longitudina ly plicate, or obtusely
angular, at first incurved, then erect. Capsule
ovate brown. Elaters bispiral.
G e n u s 1 6 . ADELANTHUS, Mitt.
In v o lu c re con s tituted from tw o to four
op p os ite scale -lik e leav e s. P e r ian th tnbnlar,
rathe r th re e -s ided, month connivent, dentate.
obliqnely truncate, hence split. Capsule four-
valved, coriaceous, naked ; elaters geminate,
naked, deciduous .— Mitt. Hook. N . Zeal. 518.
Dum . p. 46.
Adelantkus is well distinguished by its habit of
Plagiockila, by its decurvo-secund and usually
sharply toothed leaves, and by its half inferior
calyptra, strewn with sterile pistillidia, although the
cladogenous perichætia, and the 3-5 angled
perianth,‘with the third angle postical, whenever the
angles are reduced to three, prove its affinity to
Cephalozia, especially to the sub-genus Odonto-
chismal'— Spruce Cephalozia, p. 17.
Adelanthus deeipiens, Hook., Mitt.
Stem flexuose, whip- like, leaves inflexed on
the dorsal margin, the inferior ovate, and quite
entire, super ior rounded ovate, mucronate.
Jungermannia deeipiens. Hook. Br. Jung,
t. 50, Eng. Bot. t. 2566. Plagiochila deeipiens.
Dura. Rev. p. 1 5 ; Gott. and Rabh. Exs. 2 1 3 ;
Cooke Hep. f. 31 . Adelanthus deeipiens. Mitt.
Linn. Journ. V IL , 2 4 4 ; Gott. and Rab. Ex.
No. 474 ; Carr, and Pears. Exs. No. 98,
99 ; Spruc e Hep. Ama z . p. 404.
On rocks. (Ireland.)
Growing in small dense tufts. Root large and
creeping, stems erect, thread-like flexuose, to
inch long, simple or rarely divided at the base,
sometimes two or more arise from the creeping