134 THB LICHEN FLORA OF QUEENSLAND, 



very regular in size and shape, -009 — 'Oil x -003 — 004 m.m. 

 Differs from L. melanomniata in the thallus being almost 

 continuous, and in the narrower spores. 

 Hab. — Mt. Perry on rocks. 



14. L. sordida, Fries. 



Thallus continuous, fissure cracked in flat tile-like divisions, 

 M whitish or cinereous, with white hypothallus. Apothecia 

 flesh-coloured or light brown or black. 



Syn. — Zeora sordida, Pers ; Parmelia sordida, Fr ; Lecanora 



rimosa, Schaer. 



llab. — On stones and rocks. 



*** Spores 8, uniseptate, brown — Rinodina, Fr. 



15. L. continua, O.K. 



Thallus thin, sulphur-coloured, smooth, continuous or indis- 

 tinctly reticulate-rimulose, determinate, bordered by a broad, 

 distinct, dark-brown hypothalline zone. Apolhecia small 

 K -2 — ..") in. tn., immersed ; disk pale red to fuscous, plane ; 

 margin fine, distinct, thalline, very slightly raised ; spores 

 brownish, uniseptate, ovate-oblong, '008 — *009 x 003 — 

 •0036 m m. 



Jhib. — On rocks and stones, rising from the bed of Ithaca 

 Creek, Taylor's Range. 



10. L. thiomela Nyl 



Thallus sulphur yellow, thin, granulate or uncqual'y sub- 

 granulate ; apothecia black or blackish, usually medium or 

 small, bordered by a subentire or slightly crenulate thalline 

 margin ; spores 8, brown, uniseptate *023 — '03 x *014 — *015 

 M. m.m.; paraphyses usually of medium thickness ; epithecium 

 (appearing as a thin lamina) sordid yellow ; hyp .thecium 

 colourless. Gel. hym with iodine caerulesient. Allied to 

 Lecidea lepida iVyL of Brazil, but differing in the granulate 

 thallus and separating paraphyses. 

 Dr. Nyl. Lieh. Nov. Zeal. p. 252 

 Hab. — Helidon. on rocks. 



