BY JOHN SHIRLEY, B.SC. 



51 



Syn.- — P, microphylla v. triptophylla, Ach. 

 Bab — On bark of trees, Maroochie, 



9. P. nigro-cincta, Mint. 



Thallus pallid or pale-reddisli or flesh-coloured, of numerous 

 closely set scales, from growing over mosses or hepatics 

 the scales often simulate in arrangement the overlapping 

 leaves of Frullania, &c, radiating in lines from a common 

 centre, crenate or crenate-incised at the outer margins , 

 hypothallus thin, blackish, extended into a narrow border. 

 Sy. Apothecia red, biatorine, small ; disk plano-convex ; margin 

 thin, entire, little-raised, pale, in old forms almost obliterated ; 

 spores ellipsoid, -012— -015 x -007— -009 m.m. 



Hab, — On bark, Sankey's Scrub, by J. Shirley ; similar 

 to a Victorian form sent by Rev. F. R. M. Wilson. 



P. isidioides, J. Muell. 

 M. Reported in Vic. Nat. Oct. 1887 as a Queensland plant. 



III. — Coccocarpia, Pers. 



Thallus cinerascent, almost leafy, monophyllous or sub-mono- 

 phyllous, from membranaceous to sub-tremelloid, very tomentose 

 beneath, the circumference with a laciniate or lobate division. Apo- 

 thecia adnate, without a thalline border (biatorine), red or brown ; 

 spores small, simple. 



1. C. plumbea, Lghf. 



Thallus livid plumbescent, or livid cinerascent, sub-monophyl- 

 lous or monophyllous-orbicular, adnate, centre rough any 

 granular, radiately incised and plicate rugose, longitudinalld 

 radiate-plicate, zoned ; hypothallus thick, bluish. Apothecia 

 small, red, sometimes aggregated in groups or in dark patches ; 

 L. disk flat ; margins paler entire ; spores 8, colourless, ellipsoid, 

 •016 — -03 x -007 — -Oil m.m. Spermagonia towards the 

 periphery of the thallus as isolated indistinct tubercles, 

 with black or brown apex ; sterigmata small, little ramose; 

 of cubical cellules ; spermatia straight, developed from the 

 articulations. Collected by Mr. F. M . Bailey, habitat 

 unrecorded. 



Syn. — Pannaria plumbea, Del., Biatora plumbea. 



