9 HEPATICE. (LIVERWORTS.) 
on the back, the keels crested. (F. dilatata, Musc. Alleghan. No. 267, partly.) — 
Rocks and trees ; common. 
oracénsis, Lehm. Stems creeping, fasciculately sora 
seg a loosely disposed (the rameal imbricated), round-ovate ; amphi: 
ovate, a little wider than the stem; perianth smooth, pear shape, ih com- 
pressed and repand, eon semen keeled and gibbous near 
ae ee seviscypha, na, Taylor.) — Bark of trees ; common. 
F. saxitilis, risa Near the last, but separated by its pinnate- 
ly pnt an and more rigid stems, more crowded leaves, much larger amphigas- 
tria, and shorter perianth. — Trees, Massachusetts 
9. F. plama, Sulliv. (in Mem. Amer. Acad. 1. c.) Resembles No. 
7, but is a somewhat larger species; the auricle very small, close to the stem, 
and covered by the plane rotund acutely bifid amphigastria, which are thrice 
width of the stem; ope nth ee a or nearly obovate, plane above, 
pee beneath. — Rocks ; East Tenn 
10, FE. x oldtis, Nees. Not unlike No. 8; leaves semi-vertical, subsquar- 
rose, obliquely ges the auricle usually expanded into a lanceolate lamina; 
perianth unknown.— Grows in spongy masses on decayed logs, stumps, &e. ; 
30. LEJEUNIA, Libert. (Tab. 22.) 
Fructification lateral or terminal, on proper branches. Involucral leaves 2, 
deeply 2-lobed. Perianth oval or obovate, terete or angular, winged or ciliate- 
crested on = RB the mouth 3-—4-lobed; pistillidium single. Calyptra obo- 
ring belo 
sate cle to i aired Elaters ee adherent to the tips of the valves, 
erect, the sg it end oe -dilated, with a single spiral fibre. Spores large, 
ar. Infl ious, ‘Aniberitia on ah branches, lodged in 
h i t f imbri d 2-1 saves. Amphigastria present. 
(Named for Lejeune, a French botanist.) 
% Amphigastria entire. 
lypeata, Schweinitz. Stems (7-10 long) procumbent, some- 
what pinnately branched; leaves (whitish-green, of a firm texture) with the 
bicular, approximate ; perianth lateral, sessile, obovate, obtusely 
Feeled. on aa back, 2-keeled beneath, the margin subcompressed. — Alleghany 
Mo (Tab. 22.) 
2, L. longifléra, Tayl.! Closely resembles the last species, but has 
leaves of a more membranacecous texture, and a 5-winged perianth. — 
Southern Ohio to Florida. 
% L. calyculata, Tayl. Stems entangled, branched; leaves patent- 
recurved, oblong, mrenes, subdeflexed; the lower lobe involute, lanceolate ; 
aphigastria ianth axillary, rather exserted, obcordate, 4-winged, 
ye wings entire ; sralaccak leaves narrow, acute.— On lichens; Alleghany 
Mountains. 
trees, 
