BY JOHN SHIRLEY, B.SC. 



187 



I. — Biatorinopsis, Mull. Arg. 

 1. B. lutea, Dicks. (Mull. Arg.) 



Thallus albescent, effuse, thin, unequal, sub-leprose, gran- 

 uloso-leprose or evanescent. Apothecia bright carneo- 

 fulvescent, rather large, (to 1 m.m-), scattered, more or less 

 concave, then plano-convex ; margin entire, pallid, thin, 

 M, smooth, flexuose ; hypothecium thick, colourless, carnose ; 

 spores 8, oblong or fusiform-oblong, uniseptate, *007 — "008 

 x *003 — *0035 m.m. Hym. gel., with iodine no f coloured. 

 Syn — Lecidea lutea. 

 Hob. — On bark, Mt. Mistake. 



Sub-tribe 2. — Thelotreinese, Ach. 



Apothecia orbicular-lecanorine, doubly margined, with thick 

 external thalline excipulum, and internal thalline margin ; 

 disk urceolate, depressed. 



II. — Ocellularia, Mull Arg. 



Spores hyaline, transversely divided, loculi lentiform. 



1. 0. Bonplandii, Spreng. 



Thallus olive-green, sparingly grey pruin'>sp, continuous, 

 smooth. Apoihecia slightly emergent, base not distinctly 

 circumscribed or constricted ; epithecium pallid or sparingly 

 M. brownish ; disk depressed ; thalline rutirgins pallid ; spores 

 8, colourless, thickly margined, transversely 7-locular, loculi 

 lentiform ; paraphyses distinct, wi'h iodine not lut( scent. 

 S/jn. — Thelotrema olivaceum, Mnt., T. Bonplandii, Spreng. 

 Hab. — On bark, near Brisbane. 



2. O. gyrostomoides, Mull. Arg. 



Thallus fulvescent or obscurely flavicant, thin, cartilaginous, 

 apothecia -5 m.m. in diameter, urceolate, immersed, apices 

 slightly emergent, in the margin connivent, subentire, in the 

 disk depressed, flat, albopulvinate ; margin brown, ascending, 

 the exterior slopes and the nam w encircling surface blackish ; 

 M. disk at length black ; perithecium thin, complete, in all 

 parts nigro-fuscous ; epithecium brown ; lamina hyaline ; 

 paraphyses very thin, wavy, not conncctcl J spores hyaline 



