548 
V. HEPATICiE. 
[ Anthoceros . 
Dendroceros leptoJiymenius, Hook. f. and Tayl. in Lond. Journ. Bot. 1844, 
575 ; Syn. Hep. 580. Pellia carnosa, 1. c. 576; Syn. Hep. 490. A.punc- 
tatus?. Hook. f. and Tayl. in FI. Antarct. i. 168. 
Northern and Middle Islands: abundant from the Bay of Islands, J. B. H., to 
Akaroa, Raoul. Campbell’s Island, J. B. H. (Europe, America, Tasmania.) A very 
common and variable plant. Some of the numerous New Zealand plants referred to this 
that are not in fructification may be referable to other things. 
2. A. Jamesoni, Tayl.; — FI. N. Z. ii. 171. Frond flat, nerveless, 
nearly smooth, much cut into narrow lacinise ; margin lobulate; lobules un- 
dulate and crenate. Involucre obliquely truncate, smooth. Capsule elongate, 
valves cohering at their tips. 
Northern Island : Auckland, Bolton. (Quito, Fuegia.) 
3. A. giganteus, Lehm. and Lindenb. ;—Fl. N. Z. ii. 171. Frond 
1 in. long, linear, forked, costate, pinnatifidly laciniate ; margin crisped. 
Involucre cylindric, obliquely truncate. Capsule 2 in. long and more, de- 
hiscing at the apex. — Syn. Hep. 588. 
Middle Island : Dusky Bay, Menzies ; Port Cooper, Lyall. 
4. A. Colensoi, Mitten in FI. N. Z. ii. 171. Frond 1-2 in. broad, 
brownish-black, inordinately pinnatifid and pinnately lobed ; lobes flabellate 
sinuate and crenate ; lobules small, pale, pellucid, smooth above and below. 
Involucre rugulose, with little folds, obscurely 2-lipped. Capsule arcuate, 
dehiscing on one side, short, pale brown ; peduncle included. 
Northern Island: tops of the Ruahine mountains, Colenso ; Auckland, Sinclair, 
Bolton. 
40. RICCIA, Micheli. 
Small, frondose, terrestrial or aquatic, often of thick consistence. Fronds 
simple or divided, usually orbicular or oblong, often stellate. Inflorescence 
monoecious or dioecious. Perianth 0. Fruit immersed in the frond. In- 
volucre 0. Calyptra cohering with the globose capsule, and crowned with 
a persistent styliform apex ; columella and elaters 0 ; spores angular ; au- 
theridia imbedded in the frond. 
A considerable genus, found in clay banks, ditches, etc., in all parts of the globe. 
1. R. acxuniaata ) Tayl.; — FI. N. Z. ii. 171. Frond 1 in. diameter, 
glauccjss-green, solid, orbicular, stellate, naked below; segments linear, dicho- 
tomous, channelled ; margins erect. Fruit tumid, crowded in the centre of 
the frond. — Syn. Hep. 793. 
Northern Island ; fern hills, Hawke’s Bay, Colenso. 
2. R. natams, Linn . ; — FI. N. Z. ii. 173. Fronds floating, pale yellow 
above, bordered with dull purple, obcordate, channelled, simple or proliferous 
from the notches, with long purple Semite fimbriae below ; substances caver- 
nous. — Syn. Hep. 606. 
Northern Island: Lake Roto-a-Kiwa, Colenso. (Europe, America.) 
3. R. flmtans, Linn.; — FI. N. Z. ii. 173. Fronds rather membranous, 
dichotomous, flat or subchannelled, green above and below, dichotomous ; 
