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ms 8. Lemania. 1. HYDROPHYTE. Pl.cell.aph,
C Lemanide^. Thallus tubular, cylindrical, not
jointed, torulose, inflated at intervals, cartilaginous, membranaceous,
regularly cellular; sporidia in branched, beaded
filaments in pencilshaped tufts, scattered on the inner surface
of the tube, afterwards free and filling the tube.
VIII. 8. LEMANIA. B.de St. Vincent, Leman.
Thallus simple or branched, olive green, papillose on the
outside; sporidia elliptical.—Fresh-water.
1. Lemania fluviaiilis. River leman.
Threads olive-colour; internodes cylindrical, 5 times as
long as broad; papillae mostly 3 together; branches and
second branches narrower at both ends.
Conferva fluviatilis lubiica setosa equiseti facie, Dillen Muse. 7, 47.
Conferva fluviatilis, Lin. S. P. 1635; Engl. Bot. 1763.
Polj'spermiim fluviatilis, Voucher, 99.
Chantransia fluviatilis, De CandoUe Fl. Gall. 2, 50.
Lemania corallina, Bory in Bert. Mag. 1809, 277.
Nodularis, Link in Schrad. Journ. 1809, 9.
Lemania fluviatilis, Jgardh Syn. 70.
Nodularia fluviatilis, Lynghye Hydr. Dan. 99.
On stones in rapid rivers; summer.
Holdfasts callous, blackish ; threads numerous, simple
or branched, 6 inches long, each knot is composed of 2 or
3 papillae, brittle when dry.
2. Lemania torulosa. Swollen leman.
Threads mostly simple, narrower at bottom, generally
thicker at top, olive-colour; i?iternode about 3 times as long
as broad.
Conferva fluviatilis nodosa, fucum Eemulans, Dillen Muse. 39.
Conferva torulosa, Mohr in Schrad, Journ. 1801, 324.
Conferva fluviatilis /S, Engl. Bot. 1763.
**
Lemania torulosa, jigardh Disp, 28.
In mountain-streams.—A doubtful species.
D. Vaucheride^. Thallus threadlike, tubular, not
jointed, mostly branched, cartilaginous, membranaceous,
regularly cellular; branches vesicnlax^ clubshape or linear;
sporidia globose, scattered in the tubes of the thallus, or
in the branches or ends of the thallus.
IX. 9. BRYOPSIS. Lamouroux. Moss-weed.
Thallus pinnate, tubular, not jointed, membranaceous,
gelatinous, cellular ; branches linear ; sporidia globose,
green, scattered in the stem and branches.—Marine.
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