HEPATICH. (LIVERWORTS.) (99) 699 
. L. cyelostipa, Tay]. Stems (5''-7" long) branched ; leaves pale 
green, patent-recurved, oblong, obtuse ; the lower lobe quadrate-ovate, involute, 
1-toothed ; aah reniform-rotu oy perianth terminal, obcordate, com- 
pressed, plane above, ventricose-4 ented beneath, the wings ciliate, the cilia 
dentate ; seven leaves nearly covering the perianth. — Bark of trees, near 
Cincinnati, Ohio. 
5. L. polyphylla, Tayl. Stems cxspitose (3!!-—4!! long) ; leaves olive- 
igas te, 
reniform ; perianth immersed, rotund-obovate, 5-6-angled near the apex, the 
angles dentate-crested. — Habitat same as the last. (We have not seen speci- 
ns of No. 3 and 5: the a are from Lond. Jour. Bot., 1846. 
-_La alata, Hook. & Wils. Grows in dark green patches ; stems 
sf he long ; es closely eas scymitar-shaped, complicate and some- 
what 2-lobed at the base; amphigastria obovate-rotund, emarginate ; perianth 
obova pisnenored ret of trees, Louisiana. 
7. L. testudimea, Tayl. Stems 5-7" long; leaves whitish-green, very 
closely imbricating, gage a oblong, almost ce sgemse tent obtuse, 
complicate-2-lobed at the base ; the lobe small, lanceolate ; oe rotund, 
minute compared with the leaf. tuk of trees, Southern Ohio 
* Amphigastria 2-cleft, or obsolete 
8. L. serpyllifelia, Libert. Stems vaguely branched ; leaves with the 
upper lobe roundish-ovate, convex ; the lower much smaller, obliquely ovate, in- 
volute; amphigastria rounded, 2-cleft, its a obtuse; perianth obovate, 
acutely 5-angled. — On moist rocks and trees, Alleghany Mountains. — A small 
pale-green species, with transparent and sau reticulated leaves. (Eu.) 
9. L. cucullata, Nees. Stems filiform, rather sparse branched ; 
leaves oblong-ovate, distant, the lower margin ine xed-hooded ; amphigastria 
oval, 2-cleft; perianth obovate, rather compressed, apnea kesled beneath, 
convex on the back and 2-keeled near apex. (L. Tayl.) — Moist 
rocks, near the ground, Alleghany Mountains. — A aes “tnoel species, with 
light pea-green foliage. 
10. ma, Dumort. Stem creeping, sparingly branched ; 
leaves verdes, subrotund, imperfectly 2-lobed, the lower lobe an indistinct fold ; 
amphigastria obsolete ; ee terminal, compressed, 5-angled; the mouth 
obtuse, one — Roots of trees. — Small as No. 9. (Eu.) 
11. L. calearea, Libert. Stems loosely and divaricately branched ; 
leaves as, pointed, decurved, ‘cellulose-echinate, ‘inflexed at the base, saccate; 
epee oblong, 2-cleft; perianth pear-shaped, wi ith 5 crested wings. — On 
of hi very minute species, scarcely visible to the naked eye. 
(Eu.) 
31. MADOTHECA, Dumorticr. Tree Scare-Moss. (Tab. VIL) 
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, rupbitiili below the apex. Capsule globose. laters free, at- 
