Marchantia.'] 
V. HEPATIC.®. 
545 
A large genus, found in all parts of the world, easily recognized hy forming green scale- 
like patches on the ground, paths, walls, and especially on the mould of green-house plants. 
1. M. tabularis, Nees ; — FI. N. Z. ii. 168. Patches large, oblong, 
lobed; terminal lobes toothed, nerveless. Peduncles 1-4 in. long. Female 
receptacles with 8-9 star-like rays ; involucres with 2-4 perianths, ^ shorter 
than the ray, tumid,' white, 4-fid ; segments lacerate; central beard slender, 
fibrillose ; fruitstalk short. Male receptacles on separate plants on shorter 
peduncles, orbicular, 4-lobed ; lobes cremate ; anthers in 8 radiating lines. — 
Syn. Hep. 525. M. polymorpha^X. Antarct. 168 and 446, not of Linnaeus. 
Throughout the Northern and Middle Islands, in wet places abundant, and in Xjord 
Auckland’ s group and Campbell’s Island. (S. Africa, Tasmania, Fnegia, Falkland 
Islands, Kerguelen’s Land.) — This is the southern representative of the ubiquitous northern 
M. polymorpha, differing from that plant in the more convex fronds without a midrib, more 
minute cells, and more prominent pores. 
2. M. nitida, Lehm. and Lindenb.; — FI. N. Z. ii. 168. Frond 1 in. 
long, green, linear, dichotomous, thickened in the middle, dilated at the ob- 
cordate tips ; margin undulate, cremate, under surface purple. Female recep- 
tacle excentric, convex, papillose, 8—1 0-rayed ; peduncle paleaceous at the 
base, slender, flexuous, pilose; rays dilated, emarginate, crenulate, beardless, 
costate above ; inyflucre 2-valved, ciliated, 2-3-fruited. Perianth plicate, 
purple at the mouth. — Syn. Hep. 532. 
Northern and Middle Islands: Tuaraiawa river, Colenso ; East Cape, Colenso ; 
Canterbury, Haast. (India.) 
3. M. foliacea, Mitten in FI. N. Z. ii. 168. Frond 2-3 in. long, sub- 
coriaceous, flat, smooth, glossy above ; pores small, pale ; below deep purple ; 
margin entire, undulate. Female receptacle excentric, convex, umbonate, 
about 8-lobed ; peduncle 1 in. long, with purple scales ; lobes dilated, folia- 
ceous, suberenate ; involucres pale, lacerate, ciliate. Cups with gemmae, 
funnel-shaped, with toothed ciliate margins. 
Northern and Middle Islands: Cape Turnagain and base of the Ruahine range, 
Colenso; Hokianga, Jolliffe; Nelson, Mantell. (Tasmania.) 
4. M. macropora, Mitten in FI. N. Z. ii. 169. Fronds 1-2 in. long, 
£ in. broad, dirty green, linear, dichotomous ; margin flat, quite entire ; pores 
large, with purple edges ; under surface dark purple ; scales few. Female re- 
ceptacle subliemispherical, excentric, about 5-lobed, warted; lobes 2-partite; 
peduncle \ in. long, with a few lanceolate scales ; involucres with purple 
lacerate margins, and clothed with lanceolate purple lacinise at the base. 
Northern Island : wet banks, Makororo river and Aknriri, Colenso; Auckland, Sin- 
clair, etc. 
5. M. pileata, Mitten in FI. N. Z. ii. 169, Frond 3 in. long, glau- 
cous-green, i in. broad, dichotomous, linear, flat, smooth; pores minute, 
margined with white ; margins entire ; underneath dark purple. Female re- 
ceptacle subexcentric, hemispherical, tuberculate, naked below; margin 
crenate; peduncle in. long, smooth, purple; margin of the involucres torn. 
Northern Island : wet banks, Makororo river, Colenso. (Tasmania.) 
