HEPATICH. (LIVERWORTS.) 91 
herent with the perianth. Calyptra pear-shaped, rupturing early. sate ~ 
bose, <> 4-valved. Elaters short, containing two or three 
either at or Pade with somewhat quadrate 3-5-lobed undulate flaccid 
leaves. (A pers e.) 
1. F. de Nees. Stem 6/*-10/ long, thick; perianths conspicuous, 
— Moist places on the ground; mostly Southern. (Tab, 21.) (Ea.) 
19. GEOCALYX, Nees. (Tab. 21.) 
Perianth none. Involucre oblong, saccate, truncate, fleshy, attached by one 
side of its mouth to the stem, pendent. Calyptra membranaceous, ly con- 
nate with the involucre. Capsule oblong. Elaters with two spiral fibres. An- 
theridia on ss rade lateral rinse in the axils of small perigonial leaves. 
(Name formed of yéa, the earth, and xddv§, flower-cup; from the fructification 
becoming subterranean.) 
1. G. gravéolens, Nees. Leaves ovate-quadrate, 2-toothed (light 
og ; amphigastria oval-lanceolate, TaN & to the middle; " pacionl subterra- 
.— On the ground, rotten logs, &e. (Tab. 21.)  (Eu.) 
20. CHILOSCYPHUS, Corda. (Tab. 21.) 
Fructification terminal upon a short Lateral branch. again leaves 2-6, 
different from and smaller than the stem-leaves. Peria ually short, deeply 
2-3-cleft. Calyptra globose, or somewhat ephoniie dlightly iF in 
often longer than the — pturing irregularly at the apex. Capsule oval. 
Elaters with two spiral fibres. Perigonial leaves like the cauline, concealing an- 
theridia in their saccate dorsal bases. Stem-leaves decurrent on the back of the 
stem ; rootlets proceeding only from the base of the deeply 2-cleft amphigastria. 
(Name formed of xiAés, herbage, and oxvdos, cup; in allusion to the herba- 
ceous calyptra.) 
. C. polyamthos, Corda. Stems procumbent; leaves ovate-quadrate ; 
Spe leaves 2, slightly 2-toothed; perianth 3-lobed, the lobes short oil 
- entire. — Rocks, &c, (Eu.) 
. ©. ascéndens, Hook. & Wils. Stems ‘prostrate; leaves ascending, 
lipase slightly emarginate; involucral leaves 2, two-cleft; si nth 
C. 
-3-lobed ; the lobes long irregularly generics (C. labiatus, 
Taylor.) —On rotten logs, &c.—A large species, with pale-green sro 
(Tab. 21.) 
3. C. Drumm6é6ndii, Tayl. (in Lond. Jour. Bot. 1846.) Densely cspi 
tose; stems branching, prostrate (the gemmiferous ones ascending, attenuated) ; 
leaves erect-patent, oblong, 2-cleft; amphigastria ovate, acute, connate with 
the adjacent pair of leaves; perianth oblont, inflated, bifid and subcompressed 
at the mouth, gibbous at the ventral base, terminal on short naked branches; 
involucral leaves 3 - 4, laciniate, scale-like: a small species. —-“‘ Bark of trees, 
North America, Drummond.” 
