178 



THE LICHEN FLORA OF QUEENSLAND, 



pale-brown ; paraph yses separating sparingly ; spores 8 

 hyaline, narrow fusiform, -025 — 03 x -003 — '0035 m.m., 

 5 — 7-septate. 



Hob. — On bark, locality unrecorded. 



38. L, effusa, Sm. 



Thallus yellowish green or cinereous a3"uginose, thin, crus- 

 taceous, powdery or furfuraceous. Apothecia small, pale, 

 M. yellow flesh-coloured to pale brown, sessile, plane, and with 

 thickish margin, or convex and immarginate ; hypotheciura 

 colourless ; spores 8, colourless, bacilliform, 7-septate. 



Syn. — L. silvana, Krph. 



Hob. — On trees, old wood, mossy encrustations, <fec. 



39. L. fuifurella, Mull. Arg, 



Thallus thin effuse, cinereo-virescent, very finely furfuraceo- 

 granular; apothecia -25 — *66 m.m., younger forms thick, 

 concave, thickly and obtusely bordered by nigrescent margin, 

 M. at length applanate and thinly margined, black-brown, with- 

 in whitish, upper layer rufo-pallid or rufescent ; epithecium 

 fulvescent ; hypothecium hyaline ; spores *05 — *06 x -0025 

 m.m., almost straight, gi actually narrowing to the apex, 

 5 —7 — 9-septate. 



Jlab— On bark, near Toowoomba. 

 Lich. Beit. Dr. J. M. XVI. 7- 



40. L. subproposita, Mull. Arg, 



Thallus ashy-white, thin, effuse, continuous and smooth, at 

 length rimose and diffracto-subrugose and opaque. Apoth- 

 ecia -25 — *66 m.m.. from the first nigro-fuscous, when moist 

 distinctly brown ; disk as first flat and with margin obscure, 

 M. entire and slightly prominent, at length convex and 

 immarginate ; when dry black, nude and opaque ; within 

 beneath the lamina rufescent pallid ; epithecium and lamina 

 more or less copper-red ; hypothecium sub-liy aline ; spores 

 •03G — -015 x -0025 — -003 m.m. ; acicular, 5—11 septate. 



