544 
V. HEFATICJ3. 
[ Aneura. 
Northern and Middle Islands: Manawatu river, on dead wood, Colenso ; Port 
Nicholson, Lyall ; Otago, Lindsay. (Fuegin.) 
7. A. eriocaula, Mitten; — FI. N. Z. ii. 168 ( Sarcomitrium ). Frond 
8-6 in. long, flexuous, pinnatifid, pubescent ; primary creeping, compressed ; 
branches alternate, ovate, 2-pinnatifid ; divisions linear, obtuse, glabrous, 
costate, brown. Calyptra subaxillary, oblong-cylindric, fleshy, glabrous, 
rather rough. — Metzgeria, Syn. Hep. 505. Jungermannia , Hook. Muse. 
Exot. t. 72. 
Middle Island: Dusky Bay, Menzies ; Port Nicholson, Lyall; Otago, Hector and 
Buchanan. (Tasmania.) 
8. A. cocMeata, Mitten in FI. Taman, ii. 240 ( Sarcomitrium ). Frond 
short, very thick and fleshy, loosely emspitose, procumbent, creeping, pinna- 
tifidly irregularly lobed ; lobes ovoid, cochleate, concave, very thick and 
fleshy, with upturned or connivent margins, 2-lobed at the apex, loosely 
cellular and spongy internally. Calyptra fleshy, cylindric, setulose. — Riccia 
cocJdeata, Hook, fl and Tayl. in FI. Antarct. t. 66. f. 5 ; Syn. Hep. 612. 
ijord Auckland’s group : on stones, in tufts of mosses, etc., J. D. H. (Tasmania.) 
33. PLAGIGCHASMA, Lehm. and Lindb. 
Frond short, thick, rigid. Inflorescence monoecious ? Fertile receptacles 
stalked, capitate, 2-4-lobed ; lobes small, ascending. Involucres 4, large, 
erect, 1 -capsuled, concealing the lobes, ovoid, 2-valved. Perianth 0. Ca- 
lyptra fugacious. Capsule almost sessile, horizontal, globose, splitting ir- 
regularly ; elaters moderately long ; spores enclosed in a transparent wrinkled 
membrane. Antheridia immersed in sessile disks. 
A genus of a dozen species or so, inhabiting warm climates. 
1. P. australe, Nees ; — FI. N. Z. ii. 168. Frond 1 in. long, linear- 
elongate, green with purple margins ; tips retuse ; margins crenulate, inno- 
vations on the ventral side ; scales broad, purple, acute, with hyaline tips, 
upper projecting beyond the mai'gin. Fruit in the middle of the frond ; 
peduncle short or long, with linear-lanceolate scales at the base. Female 
receptacle with 2-4 fruits, scaly below ; subglobose, male papillose. — Syn. 
Hep. 515. Fegatella australis , Hook. f. and Tayl. in Lond. Journ. Bot. 1844, 
572. 
Northern Island: Bay of Islands, J. I). 11. ; Hokianga, Jolliffe ; Tehawera and Patea, 
Colenso. 
34. MARCHANTIA, Linn. 
Frond broad, growing flat on the ground, branched, thick, with a broad 
ill-defined midrib or none, covered below with coloured imbricating scales and 
tubular rootlets. Inflorescence dioecious, on the surface of the frond. Re- 
ceptacles peltate, stalked, rayed,, fruiting on the under surface. Involucres 
pendulous, alternate with the rays, 2-valved, lacerate, each with 3-6 3-cleft 
perianths. Capsules stalked, pendulous, dehiscing at the apex by revolute 
valves ; elaters slender ; spores smooth. Antheridia immersed in the under 
surface of male receptacles. — Gemmae occur abundantly in sessile cups on the 
surface of the frond. 
