258 TASMANIA^ HEPATICiE. 



Stipules rather large, conspicuous. 



1. L. TUMiDA, Mitten, Fl. KZ. p. 157. PL 103, £. 3. Stems 



very slender, \ to \m. long, much branched. Leaves 

 bright green, loosely imbricate, cells pellucid, very 

 convex, spreading, rather horizontal, obliquely ovate- 

 oblong, rounded at the apex, quite entire ; lobule small, 

 inflexed, inflated ; involucral with a longer obtuse 

 lobule. Stipules orbicular, acutely 2-fid. Perianth, 

 obovoid, tumid, retuse, inflated and obscurely 5-angled 

 at the summit. PI. xxvii. 



Tasmania, Gunn. Gullies, Mount Wellington, cloth- 

 ing the lesser twigs of trees with a mantle of green, 

 B.A.B. Launceston, Miss OaJcden. (New Zealand, 

 Australia). 



Stipules minute. 



2. L. RITFESCENS, Lindh. Syn. Hep. 366 ; L. implexicaulis. 



Hook f . Tayl. Fl. Antarct. 165 ; Syn. Hep. 376 ; L. 

 '\nimosa and Zi. albo-virens, Sooh f. and Tayl. Fl, 

 Antarct. 166. t. m. f. 4 ; Syn. Hep. 377 and 387; Fl. 

 N.Z. ii., 158. L. implexicaulis. Stems |- to fin. long, 

 creeping, branched. Leaves olive-green, cellular, imbri- 

 cate, spreading or sub-erect, oblong-obovate, orbicular- 

 ovate or ovate, convex ; apex incurved, obtuse sub- 

 acute or truncate ; lobule small, involute. Stipules 

 usually narrower than the branch, more or less 

 orbicular, acutely 2-fid. Perianth lateral, sessile, com- 

 pressed, with one keel on the dorsal and two on the 

 ventral side. PI. xxvii. L. implexicaulis, mimosa, 

 alho-virens, and primordialis, Lond. Journ. Bot. 1844, 

 397, 398, and 1845, 92 f. 



Probably a very common Southern species (of which 

 X. primordialis is an exceedingly small variety), and 

 the representative of the European L. serpyllifolia. 

 Hook. Handbook. Fl. N.Z. 533 N. 



Creeping over Hypnum extenuatum, St. Patrick's 

 Eiver, Gunn. On rocks, north side of cataract, Laun- 

 ceston, Archer. (New Zealand, Lord Auckland's 

 Group, Campbell's Island, Fuegia.) 



Stipules half as large as the leaves. 



3. L. Gtjnniana, Mitten. Stem creeping, vaguely branched. 



Leaves imbricate, oblong-ovate, obtuse, lobule small, 

 apex involute, minutely bidentate. Stipules large, 

 orbicular, bidentate, sinus acute. Lobule of the invo- 

 lucral, lanceolate, acute, stipule oblong-obovate. 

 Perianth oblong, retuse, compressed, acute pen- 

 tagonal ; upper angles crenulate with the swollen 

 cells. PL xxvii. 



