Flechten. 285 



Stic t in a s übe recta Strn. uov. sp. p. 73. 

 Thallus parvus stipitatus vel substipitatus, erectus vel suberectus (altit. 

 2 — 3 centimetrorum), lobato-incisus vel dissectus (lobis rotundis, margine saepe 

 deflexis) 5 obscure glaucescens vel plumbeo-cinereus, laevis glomerulis isid'oideis 

 majusculis, einereo-nigris creberriter inspersus, isidiis stipitatio et dendioideo- 

 romosis, subtus ochraceus vel obscure ochraceus vel versus basin obscurior et 

 ibi costatus, nndus vel feie nudus cyphellis majusculis pallidis ornatus; apothecia 

 biatorina marginalia et sparsa badiorufa, margine pallidiora. Sporae non evolutae. 

 Gonimia in glomerulis majusculis contenta. Queensland (B * i I e y). 

 Parmelia obversa Strn. nov. sp. p. 76. 

 Thallus flavescens vel ochroleucus, adpressus, parvus, rugosus vel potius 

 corrugatulus, margine laciniatus et crenulatus, subtus niger vel nigricans, parce 

 nigro-tibrillosus, apothecia fusco rufa, parviuscula, margine thallino integra, 

 saepe inflexo cincta; sporae 8, variantes, oblongae vel oblongoellipsoidae 

 0,013— 0,02*X 0,006—0,008 mm. Spermogonia fere integra nigra, spermatia 

 cylindrica vel exacte cylindrica, recta 0,006-0,009 X circ. 0,0007 mm. Ad 

 cortices et praesertim ad lignum decorticatum. Thallus supra K flavens ; medulla 

 alba K- C-. 



Parmelia exoriens Str. nov. sp. p. 76. 

 Thallus pallidus vel lutescentipallidus, rugulosus, membranaceus, laciniatus, 

 laciniis margine crenatis et sorediosis subtus pallidus vel hinc inde nigricans, 

 parce radiculosus ; medulla alba crassiuscula, K obsolete violaceus dein C. addito 

 jeviter sed distincte rubropurpurascens vel magenta. Sterilis. Ad lignum 

 carbonizatum , prope Brisbane (F. M. Bailey) et in New-South Wales 

 (K i r t o n). 



Parmelia ledacta Strn. nov. sp. p. 76. 

 Similis praecedenti sed thallo magis adpresso, pallido vel albido et caesio- 

 soredioso. Illawarra, New South Wales (K i r t o n). 



Parmelia hypoxantha Strn. nov. sp. p. 76. 

 Thallus pailide ochroleucus vel etiam pallidus (K flavens) saepe orbi- 

 cularis, mediocris rugosus, laciniatus laciniis parvis, imbricatis, margine crenu- 

 latis et sinuoso-lobätis, subtus niger parce et breviter nigro-radiculosus ; medulla. 

 alba (K- C-); apothecia fusca (latit. 2 — 5 mm) plann, margine saepius crenu- 

 lato ; sporae 8, incolores, simplices, late ellipsoideae, 0,009 — 0,012 X 0,007 

 — 0,009 mm; hypothecium incolor. Corticola, prope Warwick, Queensland 

 (C. J. Gwyther). 



Parmelia violas cens Strn. nov. sp. p. 77. 

 Similis P. conspersae var. slenophyllae sei minor, adpressa et thallo saepe 

 isidiato ; medulla alba K flavens C intense violacea vel colcris magentae. Color 

 thalli virescenti-lutescens vel lutescens. 



Parmelia confertula Strn. nov. sp. p. 77. 

 Thallus adpressus, substramineus vel flavescens, laciniatus laciniis saepe 

 imbricatis et margine lobatis et crenatis, subtus niger et densissime nigro- 

 radiculosus (speciminibus Brisbanensibus parcius radiculosis). Apothecia conferta, 

 rufofusca, plana, margine integro vel crenulato et receptaculo thallino subtus 

 rugoso vel toveolato et versus centrum nigro ; sporae 8, incolores, ellipsoideae, 

 simplices, 0,013-0,017 X 0,008—0,01 mm. Spermatia fere cylindrica, recta 

 0,009 X 0,0007 mm. 



Parmelia conspersa var. nigro-marginata Strn. nov. var- p. 78. 

 Similis varietati P. slenophyllae sed laciniis nigro-marginatis. Thallus subtus 

 niger et fere omnino nudus. Medulla alba K fl. dein rubens et thallus supra 

 K — . Prope Gippsland, Australiae (Lucas). 



Parmelia bullata Strn. nov. sp. p- 79. 

 Thallus pallidus vel pailide ochroleucus (K. fl. dein rubens), bullato-inae- 

 qualis, hinc inde minute terebratus , subtus niger , rugosus, nudus, versus 

 marginem pallidus; medulla tenuis alba (K flaveus dein interdum rubens); 

 apothecia elevato-sessilia , cupuliformia , margine extus juguloso (praesertim 

 maturatarum), epithecio fusco vel fusco-nigro. Sporae 8, oblongae, incolores, 

 simplices episporio crasso hyalino, contentis granulosis saepius lutescentibus, 

 0,022—0,032 X 0,015—0,018 mm. Jodo g. h. tbecarum caerulescens, caetero- 

 quin vix tincta. Ad ramos prope Wellington, New-Zealaud (J. Buch an an). 



