BY KEY. F. E. M. WILSON. 153 



Hab. on earth, Asbestos Hills, Gunn, Hook. Fl. Tasm. ; 

 Mount Wellington (and Brown, Cr.) ; George Town and Mac- 

 robie's Grullv, and Leven River, and Oyster Cove, and Tasman 

 Peninsula, and Maria Island, and Macquarie Harbour, 

 Bastow ; Port Arthur, Weymouth. 



F. alpestris, L., white or pale straw coloured, verrucosa, 

 intertwining, and divaricately branched, densely thyrsoid at 

 apex, more stipitate below. 



Hab. on earth. Cascades and Port Arthur, Oldjield, Hook. 

 Fl. Tasm.; Mount Wellington. 



F. pycnodada, Pers., white or yellow, opaque, not glabrous, 

 csespitose, densely ramose, byssino context. 

 Hab. Mount Wellington, Ulverstone. 



23. C. undalts, Hffm. = Cenomyce tmcialis, Tayl., greenish 

 straw coloured, glabrous, cylindrical, fistulose, dichotomous, 

 branches short, apices subulate, denticulate or digitate, K — 

 C +. 



Hab. on mossy earth. Hook. L. J. Bot.; Stuart, Hmpe. 

 Possibly the specimens have been juvenile forms of C. 

 capitellata. 



Sub-genus Clathrina, Wainio. 



Thallus efolioiose ; podetia terebrate or hiascent. Apothecia 

 usually nigricant. 



24. C. aggregata, Eschw. = Dufoiirea collodes, Tayl., = Gor~ 

 nicularia terebrata, Hmpe., pale cinerascent or cervine, pallid 

 or pale, chestnut-red or darker, at base tuscescent, glabrous, 

 somewhat shining, more or less terebrate, sterile branches 

 usually slender and alternate ramulose, with furcate apices, 

 fertile branches thick with shorter turgescent ramules. 

 Apothecia fuscous black or fuscescent, aggregated. 



Hab. on earth, rocks, logs, and trees, abundant ; all 

 collectors. Hook. Fl. Tasm.; Stuart, Hmpe.; Krplh.; Mount 

 Wellington, Mount Arthur, Ulverstone, Brown's River; 

 Knocklofty, and Macrobie's Gully, and Cascades and New- 

 Town Falls, Bastow. 



Var. inflata, Wilson, branches and ramules much inflated, 

 to 3 mm., diam, cylindrical, but broader at furcations sterile. 



Hab. on earth and rocks, South Esk at Launceston ; and 

 Maria Island, Bastow. 



Var. 2, tenera, Wilson, sterile branches and ramules pale, 

 filiform, intricate, procumbent, K + C — , fertile branches 

 glaucous green, thicker, more terebrate, erect, short, and 

 discrete. K + C +. 



Hab. on logs and trunks of trees, common. Mount Wel- 

 lington, etc.; Tiisman Peninsula, Wey?nouth. 



