HEPATICH. (LIVERWORTS.) (93) 693 
24. JUNGERMANNIA, L._ Scare-Moss. (Tab. VIIL) 
Fructification terminal on the main stem, or on a short branch. Involucral 
leaves free, like or unlike the stem-leaves. Perianth tubular, more or less an- 
gled; the mouth laciniate. Calyptra included, rarely projecting. Capsule 
globose or oval. Elaters with two spiral fibres. Antheridia in the base of in- 
flated perigonial leaves. Stem-leaves entire, or 2— many-lobed. (Dedicated to 
Jungermann, a German botanist of the 17th century.) 
Leaves and amphigastria alike, Wi 4-parted. 
1. J. ies et I. Stems flaccid, branched; leaves and amphi- 
tria 3-4-parted; the divisions straight, sreing bristle-form, each com- 
posed of a single row of tubular cells ; fruit-bearing branch len: witieadd perianth 
nearly cylindrical, contracted and toothed at the mouth. —Decayed wood, &e. 
— A minute, pale-colored species. (Eu.) 
2. J. seti&tcea, Weber. Leaves and amphigastria 2- 3-cleft; the divis- 
ions incurved, each composed of two rows of cells; fruit-bearing branch short ; 
mouth of perianth ciliate. — On the ground, &c.— — Smaller than No. 1, 
colored. (Eu.) 
% * Leaves 2-cleft or (from No. 7- stat el amphigastria none, except in 
No. 
3. J. connivens, Dickson. mann eh flexuous; leaves nearly 
orbicular, with a broad decurrent base, distant, a little wider than the stem, 2- 
cleft to 4 or $ of their tart the sinus obtuse; segments acute, connivent; 
areolation Targe; involucral leaves 3—5-cleft; perianth slender, the mouth 
lacerate-ciliate. — On rotten aha Tab. nahi (Eu. 
4. J. curvifolia, D Fruit-bearing branch short; stems creep- 
ing; leaves imbricated, Freese nearly orbicular, inflated at the ventral base, 
lunately =i, e segments long-linear, inflexed ; involucral leaves erect, 
2-3-cleft, serrate; perianth narrow, plaited-triangular, the mouth denticulate. — 
Rotten logs, “ (Eu. 
5. J. bicuspidata, L. Fruit-bearing branch short; stems loose, pro- 
cumbent ; leaves distant or crowded, half vertical, ovate, a ttle wider than the 
stem, 2-cleft to the middle, the sinus obtuse; segments acute; involucral leaves 
spreading at the apex, 2-5-cleft, Di ee perianth elongated, the 
mouth denticulate.—A small and common spec (Eu.) 
J. divaricata, Engl. Bot. Fruit-bearing branch elongated ; stems 
i 
mem! 
and on decayed woods. —A minute, dark green species. (Eu 
ts — setiférmis, Ehrhart. Stems erect or ascending, an and, with the 
, terete-sulcate; leaves toothed at the base, 3-4-cleft; the lobes chan- 
coe ovate-chlong, acute ; amphigastria spe Suabrs at the base, deeply 
2-cleft, with lanceolate segments ; peri laited. — Alpine regions of 
the White Mountains, Oakes. (Eu.) 
