Musci ExorTici.—Menzeesianz. 
JUNGERMANNIA HYMENOPHYLLUM. 
Jungermannia frondibus palmatis dichotomis nervosis, 
marginibus denticulatis, fructu in dichotomiarum ax- 
illis, calyee duplice, ext. squama exigua dentata, in¢, 
oblongo-cylindraceo, ore dentato. (Tas. XIV.) 
Haz. In sinu Dusky Bay dicto, in Nova Zeelandia. D. Men- 
ries, 1791. 
Caudex horizontalis, repens, flexuosus, tomentosus, fuscus. 
Stipes vix unciam longus, erectus, flexuosus, compressus. 
Frons membranacea, fusco-viridis, pulcherrime reticulata, pal- 
Sy | 4 
mata.seomenti 
©, oe 
is, erecto-patentibus, linearibus, apice 
obtusis, seepe emarginatis, marginibus denticulis distantibus 
instructa, nervo valido, fusco percurrente. Fructificatio in 
dichotomiarum axillis, Calyx duplex : ext. squama parva, 
rotundata, ciliato-dentata, appressa: én. oblongo-cylindracea, 
: mbranacea, ore aperto, ciliato-dentato. Capsulam 
non vidi, 
ee 
Although at first sight this may appear very near to J. flabel- 
as there are nevertheless abundant points of distinction. The 
stipes is shorter and the fronds longer. These latter have never 
their — SO numerous, nor are they spread out so as to 
form an orbicular outline: add to these the distinctly toothed 
Margins of he frond and the differently shaped exterior calyx. 
. The great similarity of this plant to Hymenophyllum Tun- 
ense, no less than its membranous texture, has suggested 
ic name, 
Fig. I, plant nat, size. 
35 Fig. 2, portion of the frond. Fig. 3, 
Fig. 4, double calyx.—magn, 
