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THE LICHEN FLORA OF QUEENSLAND, 



whitish or cinerascont ; hypotlialius white. Apothecia pale 

 or dark-brown or black, often pruinose, plano-convex ; 

 epithecium red-brown ; margin persistent, tumid, entire or 

 crenulate ; thecaa short ; spores oval or ellipsoid, colourless, 

 Sn. simple or double walled, -007— -012 x -003— -007 m.m. ; 

 paraphyses slender, delicate ; hym. gel. with I. bluish then 

 violot. Spermagonia with large easily distinguished ostiola ; 

 sterigmata and spermatia of various forms ; stylospores 

 septate. 



Hab. — Common on rocks and trees. 



v. coilocarpa, Ach. 



This form, common on rocks along the Brisbane Kiver, is 

 K. distinguished by its thin, unequal or granulate-rugose thallus, 

 and its fuscous black or nigrescent apothecia, with entire 

 margins. 



v. clilarona, Ach., is also common and usually corticolous, its 

 thin, determinate thallus, and flat or sub-convex apothecia, 

 Sn. with sub -entire or crenulate margins, separate it from other 

 varieties. 



3. L. albella, Pers. 



Thallus white, silvery, determinate, thin, leprose or mem- 

 branaceous, continuous, smooth ; apothecia sessile, scattered, 

 M. concave or plane, pale or flesh-coloured, caesio-pruinose or 

 naked ; margin thin, entire or wavy ; spores 8, colourless, 

 ellipsoid, simple ; paraphyses thick, free. 



Hab. — On trees, Toowoomba. 



Syn. — L. subfusca v. albella, Fries. 



4. L. plumosa, Mull. Arg. 



Thallus suborbicular, thin, ashy-green, as if formed by 

 pressure from small subcontiguous granules, bordered by a 

 broad, snow-white hypothalline zone, which is closely 

 plumose-fimbriate, at a later period ochraceo-rubescent. 

 Apothecia thick, few, appressed, -5 — *75 m.m., small, plane, 



