154 PivGecdin</.s of the Royal Socktij of Victoria. 



2. S. quadril ocular is, Wilson. 



Thallu.s fusco olivaceous or iiigricaiit. membranaceous, 

 adhering, lobate, thicker at circumference, crisped. Apothecia 

 moderate, crowded, black or rufous black, plane or somewhat 

 concave, thai line margin entire. Spoi'cs cylindrical, rounded 

 at each apex, somewhat curved, -02 to 03 X 003 to -OOo 

 mm., o septate. Paraphyses slender, inarticulate. Gran, 

 gon. moniliform, or sometimes conglou)erated in fours into 

 gelatinous sacs. 



Hab. on mosses on sub-Alpine granitic rocks, Mt. Macedon. 



3. S. senecionis, Wilson. 



Thallus green or fuscous green or olivaceous, under surface 

 caerulean green, thin, membranaceous, smooth, shining or 

 somewhat shining, or sometimes gi-anulato rugulose, moderate 

 (2 to 3 inches), rotundo lobate, lobes imbiicate, undulato 

 crispate, circtnnference ascending. Apothecia I'ufous or 

 testaceo rufous, about 1 mm. diam., often crowded, plane 

 or rather convex, thalline margin entire. Spores elongato 

 fusiform, straight or curved or .spirally contorted, "03 to 'Oo 

 X 004 to 00(S mm., 3 to 9 septate. Gel. hym. blue witli 

 iodine. Gran. gon. oblong or reniform (1 to 2 mm. long), or 

 subglobose (1 mm. diam.) 



Hab. on bark of Senecio bedfordii, rarely and smaller on 

 bark of Prostanthei'a lasiantlms, Mt. Macedon ; Lakes 

 Entrance, Gippsland. When young, the thallus is tense and 

 vivid in colour, like a thin, glistening tilm of green paint. 



4. S. leiicocarpas, Taxdor. 



Thallus 1 to 3 inches diam., loliaceo membranaceous, 

 smooth, olivaceous, lobes rt)tundate, undulate and plicate, 

 margin flexuo.se. Apothecia often crowded, albocarneous ; 

 disk convex, pruinose ; margin entire, at length concealed. 

 Spores elongato fusiform, oi'ten acuminate at apices, 3 to o 

 septate, -03 to -Qh x '008 to -01 mm. 



Hab. on trees, Cromb., Journ. Lin. Soc, XVII ; Wilson s 

 Promontory, Gov. Bot. Rep., 1854; Krplhbr., Vcrliandl. 

 Zool. Bot.'Gesell.s., in Wien, 1880; by Curdie's Creek, Mt. 

 Macedon, Warburton, Lome, Glenmaggie, Beaconsfield, Mt. 

 William, Dandenong Hills. 



Var. 1 pefrcois, Wilson. — Obscurely olivaceous or nigri- 

 cant; lobes smaller, somewhat complicate. Apothecia small, 



