HEPATICE. (LIVERWORTS.) 99 
4. L. eyclostipa, Tayl. Stems (5-7! long) branched; leaves 
green, pasantrecarved, oblong, obtuse ; the lower lobe quadrate-ovate, involute, 
iff 
iT d per , 0 
pressed, plane above, ventricose-4-winged beneath, the wings ciliate, the cilia 
dentate ; involucral leaves nearly covering the perianth.— Bark of trees, near 
Cincinnati, Ohio. 
5. L. polyphyla, Tayl. Stems cxspitose (3~4" long) ; leaves olive- 
ree 
green, semi-cordate ; lower lobe involute, lanceolate; amp tria minute, 
enifo nth immersed, rotund-obo -angled near the apex, the 
angles dentate-crested itat same as the last. (We have not seen spe 
5: the descriptions are from Lond. Jour. Bot., 1846.) 
6. LL, auriculata, Hook. & Wils. Grows in dark green patches; stems 
5-8" long; leaves closely pada: scymitar-shaped, complicate and pirnee 
what 2-lobed at base; amphigastria obovate-rotund, emarginate; perian’ 
obovate-triangular. — Bark of trees, Louisia 
7. ~. a apes Tayl. Stems 5-7" long; leaves whitish-green, very 
closely imbricating, i SA oblong, almost scymitar-shaped, obtuse, 
complicate-2-lobed at the base ; the lobe small, lanceolate ; amphigastria rotund, 
tminute compared ik the leaf. — Bark of trees, Southern Ohio. 
* Amphigastria 2-cleft, or obsolete. 
8. L. etry yiltetin, Libert. Stems vaguely branched ; leaves with the 
apper lobe roundish-ovate, convex ; the lower much smaller, obliquely ovate, in- 
volute; amphigastria rounded, 2-cleft, its gerd obtuse; perianth obova 
acutely 5-angled. — On moist rocks and trees, Alleghany Mountains. — A s 
pale-green species, with transparent and loosely i ae leaves. (Eu.) 
9. L. cucullata, Nees. Stems filiform, rather pinnately branched ; 
-ovate, distant, the lower margin i - hi 
oval, 2-cleft; perianth obovate, rather compressed, obtusely keeled beneath, 
mn he back and 2-keeled near the apex. (L, lucens, Zay/.) — Moist 
rocks, near the ground, Alleghany Mountains. — A minute, flaccid species, with 
light oliage. 
10. L. mi ma, Dumort. Stem creeping, sparingly branched ; 
leaves vertical, subrotund, — 2-lobed, the lower lobe an indistinct fold ; 
amphigastria eee ete; perianth terminal, ag gy 5-angled ; the mouth 
obtuse, papillose. — Roots of trees. — Small as No. 9. (Eu.) 
ui, 4.. selene Libert. Stems loosely and divaricately branched ; 
leaves ovate, pointed, decurved, cellulose-echinate, inflexed at the base, saccate ; 
amphigastria oblong, 2-cleft; perianth pear-shaped, with 5 crested wings. — On 
roots of trees, Ohio. — A very minute species, scarcely visible to the naked eye. 
31. MADOTHECA, Dumortier. Trex Scare-Moss. (Tab. 22.) 
Fructification lateral, nearly sessile. Involucral leaves 2 or 4, two-lobed. 
Perianth ovate, biconvex; the mouth 2-lipped, incised or entire. Calyptra glo- 
bose, persistent, rupturing below the apex. Capsule globose. Elaters free, at 
