The English flora - SeaweedAfrica

Jungermannia.} HE PATIOS. 1*25
ful and very distinct species seems almost wholly confined to the south
of Ireland and there only has it been found in fructification.
73. J. dilatdta, Linn, (dilated Jungermannia); stem creeping
—
irregularly branched, leaves unequally 2-lobed the upper lobes
roundish acute the lower ones roundish saccate, stipules roundish
plane emarginate, fruit terminal, perianth obcordate tuberculated
triangular. Linn. Sp. PL p. 1600. Hook. Br. Jung.
t. 5. Hobs. Br. Mosses, v. 2. n. 91. Lindenb. Syn. Hepat.p. 17.
Lejeunia, Libert—J. tamariscifolia, Schreb.—E. Bot. t. 1086.
Dill. Muse. t. 72./. 27.
Trunks of trees ; very frequent. Fr. Winter and Spr.— One of the
most general of all Jungermannia?, colouring the trunks of trees with
brown spots or blotches. It must be carefully distinguished from the
following, which is often confounded with it.
74. J. Tamar'tsci, Linn. (Tamarisk Jungermannia); stem
creeping pinnatedly branched, leaves unequally 2-lobed, the
upper lobes ovato-rotundate the lower ones minute obovate
saccate, stipules subquadrate emarginate the margins revolute,
fruit on short terminal branches, perianth obovate smooth tri-
angular. Linn. Sp. PL p. 1600. Hook. Br. Jung. t.6. E. Bot.
t. 2480. Hobs. Br. Mosses, v. 2. n. 112. Lindenb. Syn. HepaJt.
p. 17.—Dill. Muse. t. 72. /. 31.
On the ground and creeping over low bushes, especially in subalpine
countries, common. Fr. July, Aug.— Besides the characters above
given, this may be distinguished by its longer and more regularly pinnated
stems, which grow in large lax tufts. A var. is found by Mr. Wilson on
Turk mountain, Ireland, with the larger lobe of the leaf evidently and
sharply apiculate, as well as the segments or lobes of the stipules.
II. Frondose.
a. Fronds destitute of nerve.
75. J.pinguis, Linn, (slippery Jungermannia); frond oblong
decumbent nerveless fleshy plane above, beneath tumid irregu-
larly branched the margins sinuate fruit from the lower pari
near the margin, perianth very short, the mouth dilated fimbriated,
calyptra exserted oblongo-cylindrical Bmooth. Linn, Sp.
PL p. L602.
Syn. Hepai.
/;. Bot. t. 185. Hook. Br. Jung- t. 46. Lindenb.
/>. 98.— Metzgeria pingws, Corda.— Dill. Muse*
t. 7 1.
f. 42, C ul. Jig. /i\ S, A.) i. angUSthri frond elongated
almost linear simple or bipinnatedly branched.
Bogs ami water} places.—0. in pools of water among conferva and
other aquatics. Fr. Summer.
—
7(>. .1. multijida, Linn, (many-lobed Jungermannia)} frond
linear nerveless fleshy compressed bipinnatifidly branched, fruit
marginal, perianth very short, the mouth dilated fimbriated,
calyptra exserted oblongo-cylindrical tobercnlated. Linn. Sp.
PL . r 1602. /'. / . H
n. !«»