BY JOHN SHIRLEY, B.SC. 



137 



or ovate ; spores 1 — 2 seriate, simple, colourless, '009 — *015 

 x -004— -006 m.m. 



Hab. — Mt. Perry, on bark. 



23. L. tartarea, L. 



Thallus white glaucescent, membranaceous to tartareous, 

 rimulose, granular, areolate-tuberculose. Apothecia large, 

 scattered, very irregular in form ; disk rugulose, convex, at 

 length plane or tumid, reddish or brownish ; margin tumid, 

 often flexuose, paler ; spores 8, oblong- ellipsoid, simple, 

 colourless or sub-granular, resembling those of L. parella but 

 L larger. Spermagonia concolorous, irregular, wart-like; ostiola 

 large, brown, furnished with arthrosterigmata. 

 Hab. — Common. 



VIII — Oallopisma, De Not. 



Thallus uniform, crustaceous, not squamulose or foliaceous, 

 grey or yellow. Apothecia scattered, usually yellow or orange. 

 Spores simple or polari-bilocular. 



1. C. cinnabarinum, Ach. (Mull. Arg.) 



Thallus brick-red to orange, often in large patches, crust- 

 aceous, moderately thick, rimulose-areolate, subverrucose ; 

 areolae plane, smooth, within flavescent ; margins when 

 moistened appear crenate; hypothallus black, sparse. Apoth- 

 ecia (resembling those of the sub-genus Aspicilia), minute, 

 at length exserted, sub-convex, pallid citrine, margin sub- 

 Sn. entiie, base wanting. Spores small, simple, colourless, 

 oblong-ellipsoid, -008— -001 x -003— -005 m.m. 

 Syn. — Amphiloma Debanense, Baggl , Lecidea (Biatora) 

 cinnabarina, Somm., Lecanora cinnabarina, Ach., Oallopisma 

 capense, Mass., Urceolaria tesellata, Tayl. 

 Hab. — On rocks, Ipswich, Helidon and Rosewood. 



2. C. aurantiacum, Lghtf. 



Thallus citrine-yellow or flavescent, granulate, leprose or 

 tartareous, rugose and rimose ; hypothallus white. Apoth- 



