Dr. W. Nylander on new British Lichens. 259 



apotheciis planis. Margo eorum ssepe insequalis. Aune satius 

 ambse liabeantur Melaspilece ? 



11. Verrucaria epigaoides, ^y\. 



Similis V. epigcEce, sed minor et sporis 3-septatis (long. 0*018- 

 0-027 millim., crass. 0-005-0-008 millini.). 



In Hibernia, ad Moher comitatus Clare, supra terram (Car- 

 roll, 1865). 



Macula thallina pallido-virescens. Peritbecium imnaersum 

 (latit. circiter O'll millim., altit. 0-25 millini.), supra nigrum, 

 parte immersa fuscescente (in lamina tenui) ; paraphyses gra- 

 ciles. Vix sumi possit pro statu terrestri V. chloroticce, nam 

 obstant jam apotbecia immersa et profunda peritbecio alio. 



12. Verrucaria glabratula, Nyl. 



Subsimilis V. achroopora, sed Isevior, ostiolis nigris, protuberan- 

 tiis tballoideis minus distinctis, et interdum peritheciis supra 

 subemersis. Sporse long. 0"018-0*022 millim., crass. 0-006- 

 0-008 millim. 



Killarney, ad corticem (Carroll). 

 Forte status V. glabratce, analoga ut nitidella est nitidce ; turn 



achroopora, Nyl. in ' Flora ^ 1867, p. 179, alium statum sistere 



possit glabratce. 



13. Collema confertum (Acb.). 



Observetur Collema turgidum, var. confertum, Acb. L. U. p. 634, 

 propriam sistere speciem. 



Collema confertum (Acb.). Tballus nigricans, parvus, conferte 

 turgide squamulosus, squamulis ssepe cyatboideis vel podetii- 

 foroiibus, omnibus fere fertilibus ; apotbecia (singula in 

 singulis squamulis vel lobulis tballinis superne urceolatis) 

 subconcoloria, impressa, margine tballino tumido cincta; 

 sporse 8, ellipsoidese vel fusiforuii-ellipsoideaj, simplices, long. 

 0-017-0-023 millim., crass. 0-008-0-010 millim.; parapbyses 

 gracilesceutes. lodo gelatina bymenea cserulescens (prseser- 

 timque tbecse ita tinctae). 

 Supra terram in Anglia (Turner) . 



14. Verrucaria capnodes, Nyl. 



Dici possit V. rhyponta, Borr., Leigbt., Mudd, fere ut species 

 distinguenda a V. rhyponta, Acb. 



15. Verrucaria advenula, Nyl. 



Non difFert a V. rimosicola, Leigbt. (quod nomen forte non est 

 satis grammaticum). 



