154: TASMANIA^ LICHENS. 



25. C. retipora, LabiL, = Cenomyce retipora, Tayl., whitish 

 or bluish white, csespitose, glabrous, reticulato terebrate or 

 lace-like, thick, branches dichotomous, short, turgid, apices 

 obtuse. Apothecia fusco rufous, or pallescent, or nigricajat. 



Hab. on earth, Hook. L. J. Bot.; abundant, all collectors. 

 Hook. Fl, Tasni.; .5//^^';'/, Hmpe.; Nyl.; Krplh.; Ulverstone ; 

 George Town, and Southport, and Macquarie Harbonr, and 

 Knocklofty, ^^jY^w; Tasman Peninsula and Huon, Weyjuouth. 



. 26, C. schizopora, Nyl., thallus of whitish or cinerascent or 

 fuscescent sqnamulse, which are often much divided or isidioso' 

 dissected or furfui-aceous ; podetia small, 5 to 10 mm., high, 

 pale or fusco rufescent, glabroup, lacunose, and hiascent;^ 

 much thicker upwards, and usuaUy divided into short 

 branches, which are all truncate and fertile. Aj^othecia 

 nigricant, minute, aggregate, margined, concave when young, 

 plane when older. 



- Hab. on rotten logs and trees, Nyl., ex. hb. Hook. ; 

 Ulverstone ; Tasman Peninsula, Weymouth. 



4. Steeeocaulon, 



Thallus of podetia covered more or less with fragile 

 granules of various forms. Apothecia terminal or lateral, 

 lecideine^ fuscous or fusco pallescent, internally solid. 

 Cephalodia of various forms and colours. 



1. *S. ramulosuin^ Ach., thallus more or less erect, caespitose, 

 3 to 5 inches high, strong, elongate ramose, the axis more or 

 less arachnoideo tomentose, branches with whitish librillose 

 granules simple or divided and divaricate ramulose. 

 CejDhalodia sub-podicellate, scrobiculato unequal, somewhat 

 discoloured, with a gonimic stratum formed of nodules con- 

 taining gonimic granules. Apothecia fuscous or pallescent, 

 terminal, biatorine, 1 to 2 mm., broad. Spores cylindraceo 

 fusiform, 3 to 7 septate, '035 to -06 x '004 to -006 mm. 



Hab. on rocks, stones, and earth, Hook. L. J. Bot.; Gunn 

 and other collectors, Hook. Fl. Tasm.; Stuart, Hmpe. ; Krplh. ; 

 Mount Wellington, Broum, Cr. Prof. Mueller says Krem- 

 pelhueber's specimens belong to the next species. It is 

 probable that the others do so too. 



2. S. proxiimnn, Nyl., similar to S. ramulosum, differing in 

 the cephalodia, in which the gonimic stratum is sirosiphoid. 

 Spores 3 to 5 septate, -028 to 06 x '004 to -005 mm. 



Hab. on rocks and earth in mountainous regions, Krplh. 

 revis., Mull. Arg.; Mount Wellington ( Weymouth and Bastow), 

 Mount Arthur, S. Esk (Launceston), Ulverstone. 



3. S.'jnacrocarpoldes, Nyl., podet?a erect, ramulose, 1^- to 3 

 inches, glabrous, or for most part corticate, granules papillar. 



