542 
V. HEPATIC;®. 
[Symphyogyna. 
broad; segments linear, 2-fid, nerved, obtuse. Fruit in the forks, involu- 
cral scales 2-lobed. — Syn. Hep. 481. Jungermannia, Hook. Muse. Exot. t. 
13; LabiH. FI. Nov. Holl. t. 254. f. 1. 
Jtlountainous parts of the Northern and throughout the Middle Islands : from Teha- 
wera, Colenso, to Dusky Bay, Menzies. Lord Auckland’s group, Hombron, J. D. IT. 
(Tasmania.) 
2. S. leptopoda. Hook. f. and Tayl. FI. N. Z. ii. 165. Similar to S. 
flabellata ; stipes faintly winged ; frond pale green, more tender, 3-chotomous, 
segments broader. — Syn. Hep. 482. 
Northern and Middle Islands: Bay of Islands, J. D. H. ; Hokianga, Jolliffe ; Tara- 
l'ua and Wairarapa, Colenso ; Otago, Lyall. 
3. S. Hymenophyllum, Montague ; — FI. N. Z. ii. 166. Stipes 1-2 
in. high. Frond flat, erect, dark green, obtruncate or obovate, twice or thrice 
2-fid ; segments linear, serrate, emarginate. Fruit at the union of the laciniae; 
involucral scale orbicular, toothed. Calyptra cylindric. — Syn. Hep. 480. 
Jungermannia , Hook. Muse. Exot. t. 14. 
Throughout the Northern and Middle Islands : common, from the Bay of Islands, 
J. J). IT., to Dusky Bay, Menzies. (Tasmania.) 
4. S. rhizoboia, Nees ; — FI. N. Z. ii. 166. Stipes short. Frond pro- 
cumbent, lanceolate, subdivided, dark green, serrate, attenuated and rooting 
at the apex. — Syn. Hep. 483. S. obovata, Hook. f. and Tayl. in Lond. 
Journ. Bot. 1844, 581. Jungermannia , Hook. Muse. Exot. 87. 
Northern Island: Bay of Islands, J. D. H.; Auckland, Bolton ; East coast, Hawke’s 
Bay, etc., Colenso. (Bourbon, Tasmania.) 
5. S. sub simp lex, Mitten in Ft. N. Z. ii. 166. Frond linear, flat, 
green, 1^ in. long, -i broad, simple or forked, refuse, attenuate at the base, 
quite entire, tender ; cells hexagonal. Involucral scale toothed and lacerate, 
sub-2-partite. Calyptra clavate, crowned with pistillidia. 
Northern Island: Bay of Islands, J. 1). H. ; Auckland, Sinclair ; East coast, on tree- 
ferns, Colenso. Stewart’s Island, Lyall. 
31. METZGERIA, Raddi. 
Fronds more or less branched, flat, linear ; midrib distinct. Inflorescence 
dioecious. Fruit from the lower surface of the frond, on the midrib. In- 
volucre a ventricose 2-lipped scale. Perianth 0. Calyptra ascending, obo- 
void, rather fleshy. Capsule on a long fruitstalk, ovoid ; elaters adhering to 
the tips of the valves, with one spiral fibre. Antheridia 1-3, from the mid- 
rib beneath the frond, in a 1-leaved involucre. Ovoid buds occur on the 
narrow tips of the fronds. 
A cosmopolitan and very variable plant, of which all the New Zealand forms are also 
European. A few other species are known in South America. 
1. M. furcata, Nees; — Ft. N. Z. ii. 166. Fronds 3 in. long, tender, 
linear, forked or dichotomously branched, glabrous, the margin and costa 
beneath setulose or naked. Calyptra ascending from the side, hairy and 
setose. — Syn. Hep. 502. 
Abundant throughout the Northern and Middle Islands, Colenso, etc. ; and in Lord 
Auckland’s group. (Cosmopolitan.) 
