696 
HEPATICJE. (LIVERWORTS.) 
(Name composed of adp^, flesh, and crKvcpos, a cup; from the fleshy 
tubular involucre.) 
1. S. Elirllsirti, Corda. Leaves erect-spreading, rather quad¬ 
rate, embracing the stem by the broad base, lobes obtuse. — Moun¬ 
tains. Plant of a firm texture, dark green or brownish-purple. 
30. GYMNOMITBIUM, Corda. Gymnomitrium. 
Fructification terminal. Involucral leaves 2-4, convolute, 
emarginate. Perianth none. Calyptra short. Capsule globose, 
4-valved. Elaters with two spiral fibres. Antheridia obovate, 
axillary. Stem-leaves indefinitely succubous, 2-lobed. Amphi- 
gastria none. 
1. G. concinnatum, Corda. Stems erect, filiform, brittle, 
sparingly branched; branches thickened at the apex, obtuse; leaves 
densely imbricated, ovate, 2-cleft at the apex, with a narrow mem¬ 
branaceous margin.—Alpine regions of the White Mountains, Oakes. 
A small species, growing in compact masses, of a whitish or silvery 
hue. 
