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684 323. Riccardius. 13. HEPATIC^. Pl.cellfol
fringed ; calypira exserted ; capsule oblong, 4-valved ;
valves streaked lengthways and crossways ; elaters in tufts,
pencilshape, on the tip of the valves ; helices single, spindleshape.
Tkallus fleshy, ribless, compressed, branched.
1. Riccardius 77iiilt'ifidus.
Mnny-cut riccardi.
Thalli in crowded tufts, linear, ribless, compressed,
branched pinnately ; calyx marginal; calypira tuberculated.
Lichenastrutn ainbrosise divisura, Dillen Muse.
Jungermaunia uuiltifida,
Jung. 43.
Lin. S. P. 1602; Engl. Bot. 186; Hooker
Jungermannia palmala, Hedw. T/ieor. 159.
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On moist heaths and ditch sides ; spring.
(3. sinnatus. Thallus broad, branched ; edge sinuated.
Ulva paliistris foliis ivas moschatce instar divisis, Dillenin Rail Syn.
64,10.
Jungermannia sinuata, Dicks. Crypt. 2, 16; Engl. Bot, 1476.
2. Riccardius pingins. Fai riccardi.
Tkallus oblong, ribless, lying down, above flattish, beneath
swollen ; branched vaguely, edges sinuated ; calyx
under the edge; calypira smooth.
Jungermannia pinguis, Lin. S. P. 2, 1602; Engl. Bot. 185; Hooker
Jung. 46.
In moist shady places and shallow pools ; summer.
(3. angustlor. Thallus long, nearly linear, simple or rather
pinnately branched.
3. Riccardius dichotomus. Two-forked riccardi.
Thallus linear, compressed, forked, branched.
Ulva palustris furcata, augustioribus et firmioribus segmentis, Dillen in
Rail Syn. 63,9.
Riccia fluitans, Lin. S. P. 1686; Engl. Bot. 251.
In ditches, stagnant waters, and damp places.
X. 324.4*Bfe&ES3i«S#r-