256 TASMANIAN HEPATICiE. 



above tliem. Perianth cylindric-ovate, narrowed up- 

 wards and plaited ; mouth dentate. Syn. Hep. 221 and 

 717. 



M. adnexum, LeJii^. and Lindb. Mont. Voy. au Pole 

 Sud, 243. PI. xxvi. 



Var. a, Tasmania, Fraser. 



Yar. 7) St. Patrick's River, and near Yorktown, Gunn. 

 Dense tufts on rotten wood ; Goat Hills, New Norfolk ; 

 and Springs, Mount Wellington, Brown's River Grully, 

 Oldfield. Cheshunt, Archer. Mount Wellington, 

 R.A.B. 



24. RADULA, Nees. 

 Leaves incubous, with inferior lobule. 



Lobule plane, fruit terminal. 



No Stipules. 



Stems erect or creeping, pinnately branched. Leaves dis- 

 tichous, incubous, 2-lobed ; ventral lobe small, inflexed, 

 rooting at the base. Stipules 0. Inflorescence monoicous, 

 Pruit in the fork or apex of short branches. Involucral 

 leaves 2, 2-lobed. Perianth terete or compressed ; mouth 

 dilated, calyptra pyriform, persistent, bursting below the 

 apex. Capsule on a short fruitstalk, ovoid ; elators with 2 

 spiral fibres ; spores large. Antheridia in the inflated bases 

 of perigonial leaves. 



1. R. BXTCCiNiFERA, SooZ;. /. and Tayl. PI. N.Z. ii., 154. 



Stems lin. long, prostrate, pinnate. Leaves yellow- 

 green or brown, sub-imbricate, spreading, rounded at 

 the apex, upper lobe obovate-orbicular, convex, its apex 

 incurved, lower minute, trapezoid, appressed. Perianth 

 at length axillary, very long, sub-cylindric, compressed 

 above, mouth dilated, quite entire. Syn. Hep. 261. 



St. Patrick's River, Gunn. On rocks. Back River 

 Creek and Brown's River, Oldfield. Rivulet at Ches- 

 hunt. Archer. Tasmania, Stuart. Ulverstone, N.W. 

 Coast, Miss Ladder. Rivulet, Mount Wellington, 

 B.A.B. 



2. R. ANEUEiSMALis, Hook. f. and Tayl. Stems slender, 



vaguely branched ; branches short, slender, subsecund, 

 leaves lax, erecto-patent, rotund, very concave, entire, 

 inferior lobe tumid, apex incurved. 



Creeping, scattered, pale olive-brown. Stems scarcely 

 l^in. long, branches very slender, their leaves minute. 

 Leaves cup-shaped, with an obtuse angle at the point 

 most distant from the stem. The lobule has a tumid 



