56 CRYPTOGAMIA ANTARCTICA. [ Auckland and 
Has. Lord Auckland's group; at the roots of trees, ferns, &c., growing amongst other Hepatice and 
mosses. 
Cespites parvi, procumbentes, argentei, inter muscos dispersi. Frondes rigidiuscule, 2-3 lin. longe, simplicius- 
culz, gracillimee, compresse v. complanatze, e cellulis majusculis hexagonis nervum validum includentibus formatee, mar- 
ginibus e cellulis irregulariter prominentibus sinuato-repandis, rarius hinc inde in lobos expansis, nervo centrali viridi 
valido. Rami pauci, patentes, simplices v. rarius furcati. Calyces pro magnitudine plantee maximi, e nervo centrali 
ipso orti, breviter pedicellati, urceolati v. campanulati, laxe cellulosi, in lacinias plurimas magis articulatas minusve 
profunde fissi, basi squamis paucis (perichzetio) muniti. 
A very singular plant, closely allied to none in the Order Hepatice ; it forms pale silvery patches at the roots 
of ferns, &c., in the woods, but has only been found fruiting in New Zealand, where, as in Tasmania also, it is pro- 
bably abundant. In the specimens from Lord Auckland's group the fronds are hardly sinuated at the margins and - 
often formed of only one or two series of cells surrounding the axis; in those from more Northern Latitudes other 
series of cells are superadded, the fronds are more compressed, and their margins so sinuated from the irregularly 
placed cells as to resemble the rudiments of leaves. Though the walls of the cells are exceedingly delicate, the whole 
plant is of a rigid texture, and very slowly recovers itself when moistened; this somewhat horny consistency of the ~ 
frond, resembling some Sertularie, has suggested to us the generic name. The drawing was made before the fructi- 
fication was observed, by Mr. Wilson, upon the New Zealand specimens. 
Prats LXVI. Fig. VI.—1, a small tuft of the natural size; 2, a frond; 3, a section of the same, very highly 
magnified. 
2. HYGROPILA, Tayl. 
1. Hyerorita dilatata, Hook. fil. et Tayl. in Hook. Lond. Journ. of Bot. vol. iii. p. 576. 
Haz. Lord Auckland's group; on the ground in damp woods. 
This is one of the numerous frondose Hepatice which cover the ground so abundantly in the humid regions of 
the South; they evidently belong to many species, but having never been found in fructification, it is exceedingly 
difficult to distinguish the species by the form and texture of their variable fronds, and still more to determine the 
genera to which they belong. The present, of which our specimens are but imperfect, seems identical with a very 
common New Zealand plant, which abonnds in moist places, and especially near cataracts. 
3. MARCHANTIA, March. 
1. Marcuantia polymorpha, L. 
Has. Lord Auckland's group and Campbell’s Island ; abundant. 
A plant universally distributed throughout the Southern Hemisphere. 
4. ANTHOCEROS, Michel. 
1. AwTHOCEROS punctatus, L.? 
Has. Campbell’s Island ; on the wet ground. 
We are not assured of the identity of this plant with the European 4. punctatus, L., the specimens being very 
imperfect. 
Dubii generis. 
Ricora? cochleata, Hook. fil. et Tayl., in Hook. Lond. Journ. of Bot. vol. iv. p. 96. (Tas. LVI. Fig. V.) 
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