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694 334. Mylius. 13. HEPATIC^. Pl.cell.foL
4. Mylius cuneifol'ms. Wedge-leaved mylius.
Stem creeping, not branched ; leaves leather distant,
wedgeshape, not cut or very bluntly nicked at the tip
stipules small, ovate, pointed, rough.
Jnngermannia cuneifolia, Hooker Jung. 64.
On salviatus tamarisci; gen. 329, sp. 1.
Flant extremely minute, like the filaments of a conferva
in loose clusters.
XXI. 335. NARDIUS. Nardi.
Monoicous. Male. A7ithers spherical, pedicelled, clustered,
in the axillae of the perichetial leaves. Fem. Calyx
terminal, ovate ; mouth rather contracted, 4-toothed, imbedded
in the perichetial leaves ; peduncle long, not jointed
capsule roundish, 4-valved ; valves furrowed lengthways
and across; seeds spherical; elaters on the valves; helices
double, closely twisted. Leaves 2-rowed, uncut.
1. Nardius scalaris. Stair nardi.
Stem creeping, not branched; leaves roundish, hollow,
not cut nor nicked ; stipules broad-^wlshape ; perichetial
leaves united together.
Jnngermannia scalaris, Schrader Samml. 2, 4 ;
Hooker Jung. 61.
Jungermannia lanceolata, Engl. Bot. 605.
On hedge-banks, on loamy soil, or woods.
2. Nardius compressus. Compressed nardi.
Stem upright, slightly branched; leaves round: uppermost
kidneyshape, pressed close ; stipules only on the shoots
calyx oblong.
Jungermannia compressa, Hooker Jung. 58.
In mountain rivulets.
Tiifts dense, purplish ; roots scarcely any.
3. Nardius emarginatus. Nicked nardi.
Stem upright, branched ; leaves loosely tiledlike, spread-
ing, reverse-hearted, nicked ; calyx ovate.
Jungermannia emarginata, Ehrhart Beitr. 3, 80; Engl. Bot. 1022;
Hooker Jung. 27.
Jungermannia macrorhiza, Dickson Crypt. 2, 16.
In very wet places, or alpine rivulets ; early in summer.
(3. multijlorus. Capsules 2 or 3 in the same calyx j pe-
duncles short.