The English flora - SeaweedAfrica

Jungerniannia.] HEPATICjE. 123
general occurrence. At Allan's Ford, near Durham, Mr. Thomhill
used to say he could have loaded a cart with it. Fr. rare, March, {BUI.)
Apr. to June, (at Cotteral wood, Cheshire), Mr, Wilson.
This is a very peculiar plant and like no other European species. Its
leaven are so crowded and so cut into fine capillary interwoven segments
that the whole has almost the texture of sponge. The colour is peculiarly
pale and there is no apparent calyptra, at least at the time when the fruit
is in perfection.
** Lower or smaller scgmeiits (of the leaves) involute.
—
67. J. 3Iachdii, Hook. {Mr. Macknys Jungcrmunnia); stem
creeping irregularly branched, leaves unequally 2-lobed the
upper lobes rounded the lower ones minute involute, stipules
large roundish obcordate, fruit lateral and terminal, perianth
obcordate compressed gibbous below, the mouth contracted elevated
toothed. Hook. Br. Jung. p. 53. E. Bot. t. 2573. Hobs.
Br. Mosses, v. 2. n. 97. Lindenb. Sun. Hepat.p. 20.
Trunks of trees and rocks, especially in a limestone country, rare.
Dargle, J. T. Mackay, Esq., and Ballilicky near Bantry, Miss Hutchins*
Killarney, Mr. Wilson. Lowdore, Cumberland ; and Mt. Edgecombe,
Devon, C. Liu 11, Esq. Throughout the limestone tracts in the south of
Devon, particularly in the fissures of rocks near Torquay, W. J. H.
River side, Aber, N. Wales, Mr. Wilson. Fr. Winter and Spring.
A very distinct and little known species. The capsule (of a delicate
texture) is globose and the spiral filaments are enclosed in transparent
tul es, as in the remaining species of this and the following subdivision.
68. J. serpul/ifolia, Dicks, {thyme-leaved Jungermannia); stem
creeping irregularly pinnated, leaves unequally 2-lobed upper
lobes rounded lower ones minute involute, stipules rounded acute-
ly bifid, fruit lateral, perianth broadly obovate pentagonal, the
mouth contracted elevated and somewhat toothed, capsule pel-
lucid quadrifid. Dicks. Cr. Fasc. 4. p. 19. Hook. Jir. Jung,
t. 42. E. llm. i. 2537. Hobs. Jh-. Mosses, r. -2. n. 10-.. Lindenb.
Syn. Hepat. p. •i\.— ir,ll. Muse. i.
72.
f. 30.
Trees and rocks in alpine and subalpine districts.
A small pale green plant, forming, with the three
Fr. Apr. May.
following species,
a mosl natural and beautiful little groupe, distinguished In their angular
perianths, white, membranous, transparent, reticulated, quadrifid capsule
and green seeds. By its affinity to ./. Mackaii, however, it is connected
with ./. lluiihiushc and oth< r
(if. J. hamatifdlia, Hook, (hook-leaved Jungermannia); stem
creeping irregularly branched, leaves unequally 2-lobed the
upper lobes ovate acuminate oft -n carved at the point the lower
ones involute, stipule ovate acutely bifid, frail lateral, perianth
obovate pentagonal, the mouth contracted elevated toothed,
capsule transparent quadrifid. llh. Br. Jung, t. 51. /.'. Hoi.
t. l'o'.'l'. I. null nit. Syn. Il< /in', p. 23. — 3. echinataj leaves beauti-
ful echinated. Hook, L c. SttppL t.
Rocks ami trees, bul local and in subalpine districts. Yorkshire,
Cumberland, Devonshire. About Dublin and in the south of Ireland,
where Miss Hutckins foond it growing on the items of C/ifci
''>.