158 TASMAIs'IAN LICHENS. 



1. N. melaxantJuis, Ach., pallescent or flave scent or orange, 

 ofteu spotted or ringed with black at the base and elsewhere, 

 especially at the apices, dichotomously ramose, apical ramnles 

 attcDuate, scrobicnloso rugose or somewhat smooth, rarely 

 papillctto scabrous. Apothecia black or j)ailesceiit, large, 

 4 to 12 mm. broad, margin nude. 



Hab. on rocks, Arthur Lakes, Gunn, Springs on Mount ■ 

 WelliDgton, Hooker, Mossman, Hook. Fl. Tasm. ; Summit of 

 Mount Wellington, (and BrowJi, Cr. ; Bastow.') 



5. EvEENEA. Ach. Nyl. 

 Thallus flacid, erect, or ascending, or prostrate, or pendulous, 

 applanate or subterete, laciniose or much branched, destitute 

 of rhizinse, internril!y stuppeous. Aj^othecia lateral, lecano- 

 rine. Spores small, ellijDSoid, colourless, simple. 



1. E. fu7'ftiracea (?), Mann., cinerascent, dichotomously 

 multi laciniate, upper surface isidioso furfuraceous or fibril- 

 lose, under surface caualiciiiate, black or csesio nigricant. 

 Apothecia sub-marginal, badio rufous, receptacle smooth. 



Hab. on trees. Cheshunt, Archer, Hook. Fl. Tasm., where 

 it is marked doubtful, as above, and a note is added that 

 there was only one specimen, and that an aged and unsatis- 

 factory one. It is not improbable that it was Paruielia 

 physodes. 



6. Ramalina, Ach. Fr. 



Thallus whitish or pale, compressed, somewhat shining, 

 rigescent, erect or prostrate, laciniate, alike on both sides. 

 Apothecia scattered or marginal, concolorous. Spores colour- 

 less, oblong, 1 septate. 



1 R. calicaris, Hffm., pale glaucous grey, or albido flaves- 

 cent, rigescent, erect, dichotomously branched, lacinise linear, 

 compressed, elongated, attenuate at the apices, longitudinally 

 lacunoso canaliculate, cortical layer filamentose. Medulla 

 ~K — . Apothecia almost terminal, with deflexed and elongated 

 extremities of the lacinse, like a spur, behind them. Eeceptacle 

 rugose beneath. Spores straight. 



Hab. on trees. S. Esk (Launceston), Gu?tn, Hook. Fl. 

 Tasm. 



2. R. fraxinea, L., pale yellowish or glaucescent, pendulous, 

 strago^ling, subrige scent, lacinise compressed more or less 

 broadly, applanato dilated, lacunose, longitudinally rugose or 

 nervose, elongated and attenuate at the apices, cortical layer 

 filamentose. Med. K — . Apothecia large, marginal, and 

 superficial, brownish yellow or glaucescent, receptacle rugose 

 or plicato rugose. Spores curved. 



Hab. on trees. Stuart, Hmpe. 



