f i P
.i î'i
ing, or rather ascending, nearly plane, or rarely
concave, oval, or quadrate, entire, minutely reticulate
the lower lunately, the upper deeply and obtusely
emarginate, two or three toothed, with
rather obtuse, unequal laciniæ. Bracts wedge-
shaped, at the base convolute, and mostly connate
spieadmg at the apex, plane, palmately trifid, with
the aciniæ bifid bracteoles small, linear, subulate,
bifid or trifid. Perianth oval, plicate above, mouth
denticulate. Stipules absent— (F la k 4, fig. gg.)
Jungermannia excisa, Dkks.
Stem prostrate, simple; leaves accumbent, .
subquadrate, lunately marginate ; perichæt ial
leaves subtrifid, plicate; st ipules n on e ; per ianth
terminal, cylindrical, plica te; mouth
open, dentate, coloured.
Jungermannia excisa, Dicks . Crypt . I I I . t
T P- Spruce
Trans . Bot. Soc. Edin. III., p. 206.
Dilkson’f f i îu r e^ ''" ? "^ mystery, apart from
yicKson s hgure. Spruce wrote m 1840; “ I fear
/ . exeisa, Dicks, t. 8, f. 7, will have to be entirely
erased from the list of Hepaticæ. I have spent much
time m the attempt to ascertain what it really is
but without success, &c.” Subsequently Dr Carimgton
wrote: “ I quite concur with Mr. Spruce that
we have no such British species as / excisa.” He
enumerate, as Spruce had previously
done, the vaiieties of other species, which were
p° Bot.
Jungermannia bicrenata, Sclun.
Stem procumbent, subsimple, leaves erect,
rounded-ovate, acutely emarginate ; laciniæ
acute ; perichæt ial leaves subtrifid, adpressed,
rather ser rulate ; st ipules none, perianth
oval.
Jungermannia bicrenata, Schmid Anal.,
p. 247, t. 64, fig. i ; Gott. and Rabh. Exs. 127,
187, 310, 4 1 1 , 4 9 5 ; Carr, and Pears. Exs.
No. I l l ; Co o ke Hep. f. 79, 80. J u n g e r mannia
excisa, E ngl. Bot. t. 2497, Ekart . Jung,
t. I I, f. 93.
On sandy soil, &c,
Stem creeping, short, somewhat proliferous ;
leaves semi-vertical, densely imbricate, connivent
ab o v e , c on c a v e ,
ovate, or roundish,
reticulate,bidentate,
with an acute sinus,
th e la c in iæ also
acute, margins ent
i r e ; in v o lu c r a l
leaves a little larger,
adpressed, acutely
bifid or trifid, somewhat
serrulate ;
perianth terminal,
137-
ovate, plicate, mouth ciliately toothed, connivent
(figs. 136, 137).