214 



THE LICHEN FLORA OF QUEENSLAND, 



m.m., with iodine cserulescent ; paraphyses distinct, with 

 iodine lutescent. 



Il'ib. — Common on bark ; v. analoga, Stir ton y Rosewood. 



3. G. verrucosa, G. K. 



Thallus limited by a narrow black border, sulphur yellow 

 , or waxy, crustaceous, longitudinally fissured, raised into 

 small, smooth, rounded pustules. Stromata few, large, 

 separate, 4 — 7 m.m. wide, irregular, dark-brown, pruinose, 

 K. slightly raised above the surface of the thallus which is 

 lighter in colour where it encircles a stroma. Lirellse 

 linear, wavy, anastomosing, or separate, circular, oval, or 

 labyrinthiform, dark-brown ; hypothecium brown. Spores 

 8, linear, slightly narrowing at one or both ends, 6 — 9 

 locular, -026 — -035 x -004 — -006 m,m. ; paraphyses not 

 readily separating. 



Hab. — Sankey's Scrub, on bark. Near G. Javanica, 

 Mull. Arg. 



** Sarcogropha. — Spores fuscous ; stromata more or 

 less maculiform. 



4. G. labyrinthica, Ach. 



Thallus pallid testaceous or fuscescenti-olivaceous, memb- 

 ranaceous, indeterminate ; stromata sordid whitish, albo- 

 pruinose or pulverulent, rotundate or oblong or curved or 

 shapeless, subplane or plano-convex, 0-7 m.m. in diameter, 

 Sn. subreticulate with the sub-anastomising black canaliculate 

 rim a? of the elongated apothecia, scarcely raised above 

 the thalline level; disk black and opaque, pruinose; 

 spor- s ft, linear-oblong, finally brownish, 4-6 cellular; 

 rounded at the extremities, -012 — -015 x -008- --01 2 m.m., 

 paraphyses stout, crowded, rather indistinct. 

 Hab. —On bark, Kelvin Grove. 



5. G. medusulina, Syl. 



Thallus smooth, argillaceo-albescent ; apothecia almost 

 black, freely and laxly astroideo- ramose ; disk of the 



