brown colour, mixed with mosses. Stems erect, 2 to 3
inches long, threadlike,
flexuous, for
the most part simple,
now and then
forked, rigid, and
br i t t le . L e a v e s
quadrifarious, and
imbricate on both
sides of the stem,
those at the back
the largest, plane, distichous, vertical, widely ovate.
Superior leaves scarcely half so large as the rest,
obliquely adpressed to them, form nearly cordate’,
the whole are ciliately toothed at the margins, dark
brown, the texture thin and membranaceous (fie
97).
Scapania aspena, Mail.
Dioicous. Stems simple, radiculose, leaves
transverse, unequally bilobed, margin ciliate,
epidermis minutely war ted ; bracts larger than
u pper leaves; perianth projecting, compressed,
mouth truncate, ciliate.
Scapania aspera, Müll. and Bern. Cat. Hep.
Sud-Oue s t ( 188) ; Gott. and Rab. Exs. No.
602; Journ. Bot. Dec., 1892, t. 329.
On limestone rocks.— {Plate3, fig. 39.)
Dioicous, loosely depressedly cæspitose, of a
reddish or olive brown colour. Stems 2 inches
long, simple or slightly branched, firm, blackish,
recurved at the apex, naked at the base, radiculose,
rootlets few, whitish. Leaves transversely
inserted, somewhat smaller and more distant
below, contiguous or imbricate above, subsecund,
unequally bilobed, margin ciliate-dentate, postical
lobe more distinctly ciliate, about twenty-five
cilia round • the margin, antical lobe with five
to ten more distant teeth, about half the size of
the postical, convex, oval, triangular, rounded,
or abruptly subacute, appressed to the stem ;
postical lobe oval oblong, rounded or rarely
abruptly subacute, reflexed; texture somewhat
firm, epidermis verruculose, several minute papillm
to each cell,.cells small or minute, subquadrate.
Bracts rather larger than the upper leaves,
lobes more equal, antical lobe rounded. Perianth
projecting half beyond the bracts, obovate, compressed,
mouth wide, truncate, spinosely ciliate.
Male stems more slender, perigonial bracts enclosing
leafy paraphyses along with the antheridia.
G e n u s 20. DIPLOPHYLLUM, Dumort.
Involuc re small-leaved, leaves conduplicate,
bilobate, margin entire, conforming with the
true leaves. Per ianth sessile, erect, free,
terete, toothed at the apex. Capsule four-
valved, coriaceous, naked; elaters geminate,
naked, deciduous. — Dumort. Rev. Jung.
P- 15.
Leaves without stipules, complicate, bilobate,
anterior lobe smallest.