Arten -Verzeichnisse. — Neu aufgestellte Arten. 135 



gine proprio tenui, margine thallino prominulo, intus pallida; paraph. discretae apicibus 

 fuscorufis dense conglutinatis; sporae 8-nae simplices ellipsoideae attenuatae, 17— 20m 

 lg., 9— lim er. — An Felsen, Neu-Seeland. 



255. s.p. P glaucella Tuck. 53, p. 57. Thallus foliaceus arete adpressus cartilagineus 

 glaueo-cinerascens, lobis radiantibus subintegris, hypothallo pallido obsoleto. Apothecia 

 lecanorina adnata, demum margine integro demisso convexa, fusconigrai; sporae? — An 

 Felsen, Kerguelen-Insel. 



256. s.p. P. obscurior Nyl. 14, p. 334. Affinis P. brunneae obscurae , sed apotheeiis nigri- 

 cantibus et gelat. thecii J vinose rub. — Auf Moos, Kerguelen-Insel. 



257. Au. P. perfossa Stirt. 48, p. 462. Thallus squamulosus, squamulis compactis v. imbri- 

 catis crenatis v. lobulatis livido - glaucescens nigricanti-limitatus. Apothecia plana, 

 plerumque in medio pertusa margine thallino crenato, demum crispato-contorto, badio- 

 rufa, intus concoloriaet succineo-flava ; sporae 8-nae, simplices, ellipsoideae, 12— 14 m lg., 

 7— 8 1 / 2 m er., incol. — An Rinde, Neu-Seeland. 



258. s.p. P placodiopsis Nyl. 14, p. 334. Thallus placodinus , lobis contiguis turgidulis, 

 sordide lutescens. Apothecia submedioeria margine thallino integro ; sporae ellipsoideae 

 medioeres. — An Felsen, Kerguelen-Insel. 



259. e. Pt. poslerulum Nyl. 38, p. 7. Thallus fibrilloso-divisus , fibrillis teretiusculis varie 

 divisis (0,05 — 9 mm. er.), ambitu subradiantibus, raro centrifugus , saepius subdiffusus, 

 olivaeeo-nigricans, infra non coerulescens. (Apothecia non visa, itaque genus incertum.) 



— Auf Kalk, Siebenbürgen. 



260. S.P. P. Taylori Tuck. 53, p. 57. Thallus foliaceus appressus cartilagineus luteo-fulvus, 

 lobis apice rotundatis crenatis incisisque, subtus nigris hypothallo obsolescente. Apo- 

 thecia (d. 2 mm.) lecanorina sessilia plana margine crasso ruguloso fuscescentia ; sporae 

 simplices ellipsoideae, 16— 21 m lg., 9— lim er., incol. — Auf Felsen, Kerguelen-Insel. 



261. Au. P. variegata Stirt. 48, p. 461. Thallus squamulosus, squamulis minutis crenulatis 

 pallide cervinus hypothallus nigro-caerulescens byssoideus. Apothecia biatorina sessilia 

 majuscula plana rufa, margine prominulo laevi pallidiore; paraph. discretae apice rufulae; 

 hypothecium pallidum; sporae 8-nae simplices, 14— 18 m lg., 7— 9'/ 2 m er., incol. — An 

 Rinde, Neu-Seeland. 



Parmelia, Physcia. 

 Parmelia. 



262. E. P. aleuritica Nyl. 39, p. 103. Comparanda cum Parmeliopsi aleuriti, sed Parmelia 

 et thallo subtus lacteo (rhizinis parvis nigricantibus). Sporae 8-nae, ellipsoideae, 9— 12 m 

 lg., 5— 6ui er. — Crescendi modo centrifugo et facie simulat P centrifugum, sed distat 

 colore perlato-albo. — An Felsen, Finland. 



263. s.p. P confluescens Nyl. 43, p. 725. Thallus confluenti-laciniatus adnatus, laciniis sub- 

 imbricatis parum sinuato-incisis, centro sorediosus, albus, subtus niger. Apothecia fere 

 medioeria, margine reeeptaculari soredioso; sporae submedioeres. — Auf Felsen, Insel 

 Saint-Paul. 



264. e. P glabrans Nyl. 38, p. 15. Subsimilis P. glabrae, sed sporis minoribus (7 — lim lg., 

 5— 6 m er.) et spermatiis bifusiformibus (5— 6 m lg.). — Auf Sandstein, Algerien. 



265. e. P. infumata Nyl. 41, p. 359. Subsimilis P fuUginosae, sed nonnihil major, thallo 

 subopaco (in lobis summis subcaesio-olivaeeo-fuliginosus) , reactione medullae C nulla. 



— Auf Felsen, Finland., 



266. E. P. isidiotyla Nyl. 38, p. 8. Forsan var. v. subsp. P prolixae, notanda thalli isidio 

 verrueiformi olivaeeo-cinerascente, saepe conferto, demum crasso et supra albido-soredia- 

 tulo. — Auf Felsen, Finland. 



267. E. *P (isidiotyla) isidiascens Nyl. 38, p. 8. „Est analoga P. Delisei." — England. 



268. s.p. P. praeperlata Nyl. 43, p. 725. Similis fere P perlatae (sorediatae) , sed jam 

 differens spermatiis longioribus. — Auf Felsen, Insel Saint-Paul. 



269. s.p. P. stygiodes Nyl. 14, p. 333. Affinis P. stygiae (minori). sed magis contraeta, 

 thallo brunneolo subopaco (raedulla K flav.). Apothecia margine thallino integro. — 

 Auf Felsen, Kerguelen-Insel. 



