684 (84) HEPATICEZ. (LIVERWORTS.) 
2. KR. Beyrichiana, Hampe. Frond oblong-linear, thickened and bi- 
ar at the vc coord channelled above, dark purple beneath; the margins 
entire, asce — Tennessee. 
3. R. aves, Fic, Frond suborbicular, pale-green; its divisions 
: Sea walla, 2-lobed at the apex ; lobes sp ‘ee dotted, — — 
ae purplish beneath, the apap margins ascending. — “ North America.’ 
(G. L. § N. Syn. Hepat. p 
* * Frond with cag air-cavities : terrestrial or aquatic, 
L. Frond inversely heart-shaped, channelled above (3/'- 
Pe jeden aaa beneath with no ndent rootlets in the form of linear-lan- 
ceolate, serrate, purple fringes ; capsules in two rows, lengthwise of the frond. 
— Floating on the surface of ieasedark water. (Tab. VI.) (Eu.) 
s, L. Frond radiately expanding (1/ or more in diameter) ; 
dviicns narrowly ree eh eae forking, nearly membranaceous ; at the 
apex thickened, emargina cavernous ; capsule protuberant from the lower 
surface of the frond. aia ting on stagnant water. (Eu.) 
6. BR. lutéscens, Schwein. Frond che maa n, orbicular, 1/-—14/ in di- 
ameter ; the divisions 6-8, linear, 2-3 times forking, aamneie’ above, obcor- 
date at the Pegreny thickened, with whitish obli acral and appressed 
scales benea’ n the ground, mea of ponds, &c.— Fruit unknown. — 
(Sulliv. in ‘ten. ines Acad. n. ser. 4, p. 176, t. 4.) 
crystallima, L. Frond orbicular, 4/’/-6! in diameter ; its di- 
visions obcordate or linear-bifid, the margins subcren: ate, the surface broken up 
by deep pits, ora with the air-cavities. Damp ground. — Fruits 
abundantly. (R. v a, Hook. Ic. Pl. t. 149, is founded si sterile fronds of 
No. 6, aie fertile Neue z No.7.) (Eu.) 
2. SPH ZROCARPUWS, Mich. Rovnp-neapep Liverwort. 
= be VE} 
Involucre sessile upon and continuous with the frond, obtusely conical or 
pyriform, perforated at the apex, l-fruited. Capsule globose, closely invested 
by the calyptra. Spores round, muriculate. (Antheridia in folliculose bodies 
on the surface ‘of separate fronds. Wilson.) (Name composed of oaipos, a 
sphere, and xaprds, fruit.) 
: sir aaa Bellardi. Frond orbicular, 3/’/-6" in diameter, lobed, 
the numerous aggregated inflated involucres, which are 
ied - res and 4-5 times larger than the capsules. (S. terrestris of authors.) 
— Cultivated fields, South Carolina, Curtis, Ravenel. (Tab. VI.) (Eu. 
Sunorprr Il. ANTHOCEROTE. 
Terrestrial, frondose annuals, with the fruit protruded from the upper 
surface of the frond. Perianth none. Capsule pod-like, mostly 1-2- 
valved. Columella filiform. Elaters none or imperfect. 
