BY JOHN SHIRLEY, B.SC. 



19 



Tribe XI. — Stictei, N : >jl. 



Thallus prostrate, spreading from a centre, f'olineeous, lobed 

 or laciniate, often ve-y large, leathery, membranaceous or 

 brittle ; the upper surface sliining or smooth, often bearing 

 sored ia, white, yellow or green internally ; lower surface 

 spongy or fibrous, rarely smooth, usually furnished with 

 white or yellow cyph-dhe or pse idoeypkellae (smooth or 

 powdery, white or yellow, cups or warts), or marked by 

 naked gibbi (discoloured spots). Apothecia sessile, marginal 

 or superficial, somewhat obliquely fixed, with a thalline 

 margin ; disk at first nudeifonn, becoming elevate and 

 explanate, coloured like the thallus or brownish. Paraphyses 

 separate ; spores acicular or fusiform, usually 1 — 3 septate. 

 Spenuagonia scattered, scarcely protm ling, with arthroster- 

 igmata. 



1. Stictixa. 



Stratum of granules blue green or glaucous -green ; granules 

 i.e., granular gonimia without a cellular membrane, shut in gela- 

 tinous sacs in bundles, and often joined in a moniliform manner. 



* Pseudocyphellae (pulverulent cyphellaa) white. 



1. S. fragillima Bab. 



Thallus thin, rigid, friable, smooth, or lough here and 

 there, impresso-punctulate, pal! id-glaucous or lemon-yellow, 

 drying st me-bufF or salmon-buff, scattered over with white 

 sored : a, fracture white : branching dichotomously from 

 the centre, lacinia- oblong, few, lateral lacinuhe linear sub- 

 pinnatified, terminal ones few, blunt, not narrow ing much 

 more than parent stems, channelled ; below dark red-brown 

 in centre to salmon-coloured at margins, with minute pure 

 L. white pseuclocyphelhe, costate or sub-costate with a dense 

 short tomentum. Apothecia reddish or brown, scattered; 

 thalline border toothed or crenulate ; spores brownish, 1 

 — 3 septate, oblong-fusiform, -025 x *01 m.m. 



Hab. — On logs in the Maroochie scrubs, and on trees Mt. 

 Mistake. 



