BY JOHN SHIRLEY, B.SC, 



201 



hyaline, -025 x *005 m.m. ; paraphyses jointed, granular, 

 terminal joint largest. 



Hab. — On bark, common. 



8. G. Afzelii, Ach. 



Thallus whitish, discoloured or greenish ; lirellae at first, 

 wholly immersed in the thallus, and covered with a peculiar 

 white chalky layer, at length laid bare ; lips connivent, 

 not sulcate, thick and black, at length opening; disk 

 Sn. black, narrow; perithecium thick, dimidiate, fusco-nigrous ; 

 spores 4-locular, -018 — -024 x -008 — -011 m m. ; colourless ; 

 paraphyses distinct, with iodine not coloured. 



Syn. — G. nivea, Eschw. 



Hab. — Tambourine Mountain and Sankey's Scrub. 



9. G. tenella, Ach. 



Thallus very thin, cinerascent, hoary, determinate, nigro- 

 limitate ; lirella? emergent, not sulcate, from almost or- 

 bicular and lecideine, to straight or wavy, with blunt or 

 attenuated terminations ; lips black, connivent, raised, 

 slightly tumid ; disk black, rimiform, here and there with 

 faint thalline vestiges ; thalline margin distinct in young 

 M. forms, in mature lirellse visible as whitish halo ; perith- 

 ecium dimidiate, nigro fuscous ; spores oblong linear, 10 — 

 12 locular, '03 — -04 x -0u5— 007 m.m. ; paraphyses with 

 clavate tips, sub-discrete. 



Syn. — G. lineola v. sigmoidea, Eschw., G. comma, Ksch. 



G. pulverulenta v. lambigua, Eschw. 



Hab. — Common on bark of Laportea gigas, Wedd, 



10. G. innata, C. K. 



Thallus grey or cinerascent, fissured, surface sub-glabrous; 

 lirellse black, pruinose, short, 6 — 1 m m. long, witli 

 rounded ends; disk sunk. -2— -3 m.m. wide; thalline 

 margin fine, raised, distinct, lighter in colour then sur- 

 K. rounding thallus. The lirellae are usually simple, but arc 



