816 II. VERRUCARIOIDEI. 13. VERRUCARII. 



tenuissime rimulosus, effusus. Apothecia s])haenca , medio- 

 cria , sessilia ; ostiolo subpapillato , rarius pertuso. — Ad 

 saxa calcar. in Hel.v. valle Gastern Schaer ; ad rupes calcar. 

 in mont, Albis Hegetshchweiler ! ad rupes porphyr. prope 

 Handschuchheim in ducatu Badensi X). Zwackh, 



10. Verrucaria polysticla (Borr. in EB. suppl. H. 

 t. 2741). Thallus tartareus , albo-nigroque variegatus, 

 diffracto-areolatus , determinatus. Apothecia comca , medio- 

 cria, thalli areolis innala ; ostiolo papillalo, rarius pertuso. 



— Ad muros in Hibern. in Sussex Borr! in coll. Salw. — 

 Albae thalli ar^lae atro incumbunt subiculo. 



11. Verrucaria Unionis Schaer. TAo^/ws tartareus, 

 pallide ochraceo-ferrugineus, contiguus vel tenuissime rimu- 

 loso-areolatus, effusus. ^/?ofAm'fl truncato-conica , innata , 

 majuscula; ostiolo umbilicato. — Ad saxa micaceo-schistosa 

 in rivulis alpinis Vangsfield Unio itin. 1828 inscripta 

 Endocarp. viridulum Schrad. 



12. Verrucaria caerulea (Lich. caeruleus Ram. in 

 DC. fran^. \\. 318). Thallus tartareus , caerulescenti- 

 plumbeus , interdum cinereo-fuscus , contiguus vel tenuis- 

 sime rimulosus, determinatus. Apothecia sphaerica, minuta, 

 primum thallo immersa eumque aequantia , plana , dein ad 

 dimidiam partem emersa; ostiolo depresso , rarius pertuso. 



— Verruc. plumbea Ach! Spic. 54. 338. Exs. 102. 

 Bohl. Lich. britt. XI. n. 81. ic. bon. — Ad saxa calcar. 

 in montib. Helv. et Pyrena^or. Schaer; circa Rotomag. Le 

 Prevost! Lozere Prost! Germ. circa Gottingam Mejer; Angl. 

 Borr! Salw ! Bosn. Sendtner. 



^. fusca Schaer ; thallo ex cinereo-fusco-olivaceo ; 

 apotheciis majusculis. — Ad saxa calc. in pago Neocom. 

 Chaillet ! circa Iseltwald ad lacum Brienzensem Schaer; 

 circa Sewen Hegetschweiler ! 



13. Verrucaria Harrimanni (Ach. univ. 284). 

 Thallus tartareus , cinereo-rufescens , contiguus , determi- 

 natus. Apothecia sphaerica , majuscula , primum lota thallo 

 immersa eumque aequantia, dein ad dimidiam partem emersa; 

 ostiolo papillato, rarius pertuso. Verruc. cinereo-rufa 

 Scheer. spic. 338. Lich. Harrimanni Sm. EB. t. 2539. 

 Verr. rubella Chaub. in St. Ann. FI. Agen. 483. ex 



