The English flora - SeaweedAfrica

Jungermannia.} HEPATICiE. 1 1 1
18. J. affinis, Wils. (pah reticulated Jungermannia); stem
procumbent simple or branched, leaves roundish concave acutely
bifid coarsely reticulated the segments obtuse, those of the perichsetium
larger than the rest, fruit terminal, perianth (mostly
fertile) pyriform plicate contracted and toothed at the mouth.
Wils. in E. Bot. Suppl. ined.— J. inflata, Hobs. Br. Jlosses,
n. 93.
Frequent in limestone and marly districts, in moist or shady places
under precipitous banks, Cheshire; near Bangor; and Woodlands near
Dublin, Mr. Wilxon. Fr. March, Apr.—The procumbent stems,
large reticulation and less obtuse segments of the leaves, and above all
the plicated upper portion of the calyx, have induced Mr. Wilson to
distinguish this from the preceding.
19. J. excisa, Dicks, (small notch-leaved Jungermannia);
stem prostrate nearly simple, leaves patent subquadrate deeply
notched, fruit terminal, perianth oblong, the mouth plicated
toothed. Dicks. Or. Base. 3. p. 2. t. 8. /. 7. Hook. Br.
Jung. t. 9. E. Bot. I. 2497. Lindenb. Syn. Hepat. p. 84— 3.
crispata; leaves longitudinally waved the segments unequal
crisped. Hook. Br. Jung. I. c.
Moist banks in heaths and woods. Fr. Apr. May.— A minute species,
often rendered more conspicuous by its numerous, diaphanous,
comparatively large perianths, than by the foliage.
20. J. ventricosa, Dicks, (tumid Jungermannia); stem pros-
trate somewhat branched, leaves patent subquadrate bluntly
emarginate the sides incurved, fruit terminal perianth oblong,
the mouth contracted plicate toothed. Dicks. Cr. Fasc. 2. j>. 14.
E. But.t. 2497. Lindenb. Syn. Hepat. p. 86—Dill. Muse. f. 70.
/. 14.
Shady woods and banks Fr. (scarce) Nov.— Allied to the preceding,
but Larger and with different!} shaped perianths. Gemma are very
abundant on the tips of the upper leaves, where they form balls.
21. .1. Tiinu'r'u Hook. (Turnerian Jungermannia)} stem
procumbent flexuose branched in a stellated manner, Leaves
broadly ovate acutely bipartite, segments conduplicate spinu-
loso-dentate, fruit terminal, perianth Linear-oblong Longitu-
dinally plicated. Hook. Br. Jung. t. 29. /•:. Bot. t. 2510. Lin-
d( ah. Hepat. p. 92.
Shad} bank of a mountain rivulet, near Bantrj .
• /V. March*—A minute species, with the habit of ./. bici
no Less beautiful than a ran
Ireland, Miss HutcUns.
!| > 1 ' ;l
l'l'. J. bicuspiddta t Linn, (forked Jungermannia); stem procumbent
branched in a stellated manner, leave- Bubquadrate
acutely bifid the segments acute straight entire, fruit radical,
perianth linear-oblong longitudinally plicated, the mouth teethed.
Linn. Sp. PL p. ] Bot. t 2239, (not 281.) h
Br. dun, i. /. I I. Hobs. Br. bosses, u. 2. //. 64. Undenb. \>/u.
Hepat. p. 89 Dill. Muse. t. 70 f. 13.