44 



THE LICHEN FLORA OF QUEENSLAND, 



m.m. ; paraphyses clavate ; hym gel. deep blue with iodine. 



Hub. — Mt Perry, by J. Keys ; Brisbane Bot. Gardens, by 

 J. Shirley. 



Note. — The specimens collected by Verreaux at Moreton 

 Bay were barren ; Nylander says near P. pulverulenta, 

 probably only P. pulverulenta v. pityrea 



13. P. sublurida, Stirton. (Medulla K— C— ) 



Thallus waxy, whitish or greenish-white (drying sordid 

 grey) appressed, laciniate ; lacinia* shottly linear, very much 

 imbricated, pale beneath and furnished with whitish rhizina? ; 

 medullary layer reddish, especially above. Apothecia small 

 with bluish grey, frosted, incurved, crenulated margins, and 

 burnt an l>er disk : thecas cylindrical-clavate ; spores 8, 

 Sn. ellipsoid, brown, 1 -septate, 'OM — 018 x -00(55 — '008 m.m.; 

 bypotheciom UQColoared ) hym. gel. bright blue with iodine. 

 See Dr. Stirton in Proc. Roy. Soc. Vic, Sep. 1880. 



Hob. On twigs near Brisbane and at Rosewood. 



Very closely allied t.» P. pulverulenta an 1 P. glauco- 



rireecpus. 



Thallus crustaceous. 



14. P. conBuens, Mut. 



Thallus crustacous or tartareous, 2 — 3 inches or more wide, 

 with signs of lobation almost wholly obliterated, central 

 parts unequal and granulate, very pale grey to sordid white. 

 In specimens growing singly some signs of lobate markings 

 Sn. may lx» found at the margins. Usually sterile ; often sore- 

 difrrous, then merely like a grey Lepraria. Apothecia bla«k, 

 1 — 2 m.'P. : margin of receptacle crenate or sub-entire ; 

 sj.ores 02— 025 x -009— -OH m.m. 

 Hah. — Common on rocks near fr«'sh water. 



Triiie XIV.— Pyxinei, Nyl 



Thallus whitish or whitish-cincrascent, stellate-laciniate, ap- 

 pressed, resembling that of a Parux-lia or Physeia, lacinim linear, 

 multifid. Apothecia black, lecideine ; spores fuscous, bilocular or 



