152 CONTRIBUTIONS TO THE QUEENSLAND FLORA. 



l^ig. (a) section of verruca with more than one apothecium 

 (X 40); (b) do-do with only one apothecium. Two spores 

 (x 900.) 



Oba. Allied to Thelotrema scMzostomum (Syn. Trypethelium 



schizostomum, Leighton.) 

 Hab. on bark of Scrub Trees, Brisbane (Bailey.) 



Ascidium octoloculare, C. Knight, Sp. Nov. (PL xviii.; fig. 3.) 



Thallus glauco-viridis v. ochraceo-viridis tenuis continuus, 

 verrucis apotheciorum convexis concoloribus (lat. 0. 8mm.) 

 ostiola minutissima, excipulo proprio nullo, paraphysibus e flavo- 

 virescentibus chlorophylli granis per strata arete adglutinata 

 dispositis. Asci non visi. Sporae fusiformes incolores 7-septat8e 

 (rare 3-septatfe.) 



Hab. on Brisbane Scrub Trees (Bailey.) 



Lecidea (Bilimbia) quadrilocularis, C. KnigJit, Sp. Nov. 

 (PI. xviii. ; fig. 4.) 



Thallas granuloso-furfuraceus virescens effusus passim 

 evanescens. Apothecia minuta (lat. circa 0.5 mm.) numerosa 

 luteo-carnea v. subaurantiaca convexa vel subglobosa immargi- 

 nata, hypothecio dilute colorato, paraphysibus gracilissiinis 

 plurimum clathratis. Sporae fusiformes rectae 3-septatae 

 incolores long. .02 mm. crassit. .003 mm. Ad cortices. 



Allied to Lecidea sphceroides, but thallus darker, apothecia 

 one-third less in size ; paraphyses much branched, and spores 

 much more slender, 



Hab. on bark of trees at Lytton (Bailey.) 



Lecidea (Biatorina) planella, Nyl. 

 Hab. on bark, Enoggera scrubs (Bailey) 



Lecidea (Psora) rhypoderma, G. Knight, Lick, of N.Z. 

 L. foliata var. atrovirens, C. Knight. 

 Hab. on bavk of trees, Fassifern (Bailey.) 



Chiodecton stromaticum, C. Knight, Lich. of N.S.W., Trans, 



Linn Soc. Lond. 

 Hab on bark of trees, Indooroopilly (Bailey.) 



Trypethelium rubrum, C. Knight, Sp. Nov. (PI. xviii. ; fig. 5.) 



Thallus crnmtit'i, verrucis (latit. circiter 1.2 mm.) sape mono- 

 pyreniis primitus convexis concolorihns, demum subconoideis 

 nigrescentibus, ostiolo papillato nudo nigro areola albidula 

 cincto, excipulo e verruca carbonizata formato; paraphysibus 

 subtilissimis discretis. Sporae in ascis cylindraceis oblongae 



