BY JOHN SHIRLEY, B.SC. 



173 



with a distinct thalline margin, which is afterwards ir- 

 regularly lacerate ; proper margin very slightly prominent, 

 M. pale orange ; disk concolorous, or of a darker orange, at 

 first concave, finally convex. Gonidia large. Asci poly- 

 sporous, bright blue with iodine ; spores simple, colour- 

 less, very small. 

 Hab. — On bark, Rockhampton. 



Patellaria. — Spores colourless, 2-multilocular. 



f Biatorina. — Apothecia variously coloured, not black. 

 Spores small, ellipsoid, 2-locular, 



i. L. planella, NyV. 



Thallus leprose, frosted, cinerascent or cinereo-rufescent, 

 thin, continuous, with small rugose markings. Apothecia 

 flat, amber-coloured, lecanorine when young, pseudo- 



K, thalline margins afterwards disappearing ; asci slender, 

 linear ; spores small, narrowly ellipsoid, uniseptate or 

 binucleolate, small, -009 x -0025 m.m. ; paraphyses with 

 clavate tips, subdiscrete. 



Hab. — On bark, Enoggera and Peechey's Scrub, 

 ff Psorothecium. — Spores large, ovate or oblong, 2-locular. 

 5. L. Taitensis, AJnt. 



Thallus granose-unequal or subsorediose-tuberculose, 

 cinerascent, with pale sulphury frosting, some signs of 

 division in striations, laminations and imbrications, with- 

 in sulphurescent ; apothecia large, 3 — 6 m m., disk flat, 

 Sn. fusco-nigrescent ; margin raised, entire, darker; young 

 forms paler ; epithecium rufescent-fuscous or fulvescent- 

 fuscous ; hypothecium below deeply rufo-fuscous, not 

 hyaline ; spores 2—8, when fully evolved obese and 

 incurved, at both ends broadly obtuse, 036 x '022 — 027 

 m.m. 



Syn. — L. grandis, Nyl., L. versicolor, Nyl , L megaspora, 

 Leight., L. megacarpa, Nyl., Patellaria sulphurata, Mull. 

 Arg., Megalaspora sulphurata, Mey. et Flot. 

 Hab. — Tooffoomba, on bark. 



