464 HEPATICÆ ANTARCTICA. 
Leaves, when dry, much recurved, when moistened standing 
erect and adpressed, but still with their margins somewhat 
recurved; this structure, however, is most remarkable. in 
the imbricated stipules, which, becoming a concave series, 
give to the back of the shoot an appearance of having been 
scooped out. : 
There is no European or Antarctic Jungermannia to which 
we can compare the present. 
22. J. palustris, n. sp.; caule disperso erecto elongato 
ramoso, foliis subimbricatis patentibus tenuissimis scariosis 
rotundatis concavissimis, margine incurvis, medio plica lon- 
gitudinali obtusa notatis integerrimis, stipulis ovalibus con- 
vexis integerrimis majoribus. 
Has. In watery places; Cape Horn. a 
Stems ascending up among other Jungermannie, gtowing - 
in water, scattered, about three inches high, the branches. 
erect. Leaves tumid, variously bent at the margins, some- - 
times recurved, but more commonly incurved, having 9 — — 
remarkable longitudinal obtuse fold in the middle. Stipules — 
almost imbricated, very convex. E 
The leaves of our plant have more resemblance to those of | 
Hypnum- cochlearifolium (Schwaeg.) than to those of any — 
known Jungermannia. es 
23. J. fulvella, n. sp. ; caule implexo procumbente ramoso — be 
foliis imbricatis erectis concavis, caulinis obovato-rotundatis, e 
margine subdentatis incurvis ramosis minoribus rotundatis 
arctiüs imbricatis dentatis, stipulis rotundis concavis subine, 
tegerrimis. vut 
Has. Hermite Island, Cape Horn. =e 
Patches more than three inches wide, pale tawny- Be E 
about one inch long, repeatedly and irregularly branche" 
the shoots slender. The stem.leaves are more loosely 17 
bricated and have a wider base, with their margin more 
incurved and the denticulation more irregular than occurs 
on the branches. So, likewise, the stipules on the stems m 
larger, more oblong and more frequently notched. There 
