Dr. W. Nylander on new British Lichens. 259 
apotheciis planis. Margo eorum sepe inequalis. Anne satius 
ambee habeantur Melaspilee ? 
1]. Verrucaria epigeoides, Nyl. 
Similis V. epigee, sed minor et sporis 3-septatis (long. 0°018- 
0:027 millim., crass. 0-005—0-008 millim.). 
In Hibernia, ad Moher comitatus Clare, supra terram (Car- 
roll, 1865). 
Macula thallina pallido-virescens. Peritheclum immersum 
(latit. circiter 0°11 millim., altit. 0°25 millim.), supra nigrum, 
parte immersa fuscescente (in lamina tenui); paraphyses gra- 
ciles. Vix sumi possit pro statu terrestri V. chlorotice, nam 
obstant jam apothecia immersa et profunda perithecio alio. 
12. Verrucaria glabratula, Ny}. 
Subsimilis V. achroopore, sed levior, ostiolis nigris, protuberan- 
tiis thalloideis minus distinctis, et interdum peritheciis supra 
subemersis. Spore long. 0:018—0°022 millim., crass. 0°006-— 
0:008 millim. 
Killarney, ad corticem (Carroll). 
Forte status V. glabrata, analoga ut nitidella est nitide; tum 
achroopora, Nyl. in ‘ Flora’ 1867, p. 179, alium statum sistere 
possit glabrate. 
13. Collema confertum (Ach.). 
Observetur Collema turgidum, var. confertum, Ach. L. U. p.634, 
propriam sistere speciem. 
Collema confertum (Ach.). Thallus nigricans, parvus, conferte 
turgide squamulosus, squamulis seepe cyathoideis vel podetii- 
formibus, omnibus fere fertilibus; apothecia (singula in 
singulis squamulis vel lobulis thallinis superne urceolatis) 
- subconcoloria, impressa, margine thallino tumido cincta; 
spore 8, ellipsoidez vel fusiformi-ellipsoidez, simplices, long. 
0:017—0°023 millim., crass. 0°008-0°010 millim. ; paraphyses 
gracilescentes. odo gelatina hymenea cerulescens (preser- 
timque thecze ita tinctz). 
Supra terram in Anglia (Turner). 
14, Verrucaria capnodes, Nyl. 
Dici possit V. rhyponta, Borr., Leight., Mudd, fere ut species 
distinguenda a V. rhyponta, Ach. 
15. Verrucaria advenula, Nyl. 
Non differt a V. rimosicola, Leight. (quod nomen forte von est 
_ satis grammaticum),. 
