IIC. VERRUCARIOIDEI. 13. VERRUCARII. 209 



2. Pyrenula submersa (Verruc. submersa Borr. in 

 EB. suppl. II. t. 2768). Thallus mucoso-gelalinosus , 

 obscure olivaceo-virens, conliguus, in maculas orbiculares, 

 delerminatas, inlerdum conliguas effusus. Apothecia comc?( , 

 solo apice e thalli tuberculis prominula ; ostiolo papillato , 

 rarissime pertuso. Spic. 331 (excl. Ach. syn.). — Ad 

 saxa calc. in pago Neocom. Chaill! Borr I 



3. Pyrenula olivacea (Vcrruc. olivacea Fr. 

 eur. 438). Thallus mucoso-gelatinosus, obscure olivaceo- 

 viridis , contiguus , effusus. Apothecia conica , sola basi 

 thalli tuberculis immersa-, oslioli umbone tandem impresso. 

 — Ad saxa calcaria Galliae Le Prevost! in Pyrenaeis prope 

 Bagneres de Bigorre loco dicto Salut Philippel Schaer. 



4. Pyrenula gelatinosa (Verruc. gelatinosa Ach. 

 univ. 283. Thallus mucoso-gelatinosus , obscure fuscus, 

 contiguus, elTusus. Apothecia conica, apice solum e minutis 

 thalli tuberculis prominula ; ostiolo papillato , integriusculo. 

 Spic. 333. — Ad rupes umbrosas supra muscos in Helv. 

 Schl ! ap. Ach. 



5. Pyrenula hydrela (Verruc. hydrela Ach. syn. 94). 

 Thallus mucoso-gelatinosus, subtartareus, fuscus, contiguus, 

 effusus. Apothecia conica , solo apice e Ihalli tuberculis 

 prominula ; ostiolo rarius pertuso. Spic. 335. Exs. 521; 

 et thallo obscuriore Verruc. aethiobola. Spic. 336. 

 Exs. 522. Ach. in Berl. Blag. 1814, p. 21. t. 2. f. 23. 

 Verruc. mucosa Dub I bot. gall. 646. — Ad saxa 

 granit. in m. Grimsel et ad muros calcar. pagi Tigurini 

 Hegetschweiler ! in Gall. ad lapidulos silaceos in rivulis Voge- 

 sorum Noug! exs. 952; circa Falaise Prost! in regno 

 Wiirtemb. Lechl ! in Germ. bor. Mcjer ! ut Verruc. Flor- 

 kei; Angliae Borrl ut Verr. mutabilis,- Sueciae Ach; 

 Lapponiae Wahlenb. et ut Verr. aethiobola Fr! Hiibenl 



§. -fa. Thallo tartareo ^ normaliter rimvloso. 



7."^PyrenuIa maura (Verruc. maura. Wahlenb. in 

 Ach. meth. suppl. p. 19). Thallus tartareus , aterrimus, 

 tenuissime rimuloso-areolatus , effusus. Apothecia conica , 

 apice solum e thalli tuberculis deplanatis , basique dilatatis 

 prominula ; ostiolo papillato, integriusculo. Fr ! lich. suec. 



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