690 (90) HEPATIC. (LIVERWORTS.) 
4. A. multifida, Dumort. Fronds prostrate, 2-pinnately divided; the 
divisions linear, narrow ; whole plant brownish-green.— Alleghany Mountains, 
on moist, rocky banks. u.) 
15. STEETZIA, Lehm. (Tab. VL) 
Involucre at first terminal, arising from the midrib of the frond, at length by 
the growth of the frond dorsal, cup-shaped, short, lacerate. Perianth elongated- 
tubular; the mouth denticulate. Calyptra equalling the perianth, irregularly 
torn at the apex. Capsule oval. Elaters filiform, free, with two fibres. . Inflo- 
rescence dicecious. Antheridia dorsal on the midrib, covered by minute fimbri- 
ated perigonial leaves. Frond with a distinct midrib. (Named for Dr. J. Steetz, 
a German botanist.) 
1. S. Lyéllii, Lehm. Frond simple or 2-cleft, delicate in texture, oblong- 
aa the margin slightly waved, entire or obscurely serrate (1/—4! long, 3! - 
' wide). — On the ground, in wet or springy places. (Tab. VI.) (Eu.) 
16. PELLIA, Raddi. (Tab. VIL) 
Fructification proceeding from the back of the frond near the apex. Invo 
cre cup-shaped, short; the margin lacerate. Perianth none. Calyptra ie 
cen : 
immersed in the upper surface of the broad indeterminate midrib of the frond. 
(A son name.) 
1. P. epiphyla, Nees. Frond rather membranaceous, sparingly di- 
omg its ; ais oblong, somewhat wedge-shaped, repand-lobed ; calyptra 
exse — Moist, shady places, on the ground, forming patches 2°-3° broad 
eae — (Eu.) 
17. BLASIA, Mich. (Tab. VIL) 
Fructification in an oval cavity in the midrib of the frond. Involucre none. 
Perianth a fusiform utricle, vanishing early. Calyptra obovate. Capsule oval- 
fea theridia im 
glo i ear its apex. mersed in the 
md and covered by dentate scales. Gemme globose, issuing by a me as- 
ir large flask-like ‘ieicton, which are immersed i 
frond. (A personal name.) 
. B. pusilla, L. Frond 7-12" long, 2-3! wide, linear-obovate, 
ae or forked, or stellately expanded, the margins. — sinuous. — 
the ground, sides of ditches, &c., New York. (Tab -) (Eu. 
II. Vegetation foliaceous (i. e. leaves and stem distinct). 
* Leaves succubous ; the apex of each leaf lying under the base of the next. 
18. FOSSOMBRONIA, Raddi. (Tab. VIL) 
Perianth terminal, or by innovation dorsal on the main stem, subcampanulate ; 
the mouth large, crenate-lobed. Involucral leaves 5-6, minute, subulate, co- 
