Gyrothecium Nyl. (Psoram Flot. ineludens) — Abrothallus DeN. — 
Seutula Tul, — Celidium Tal. — Phacopsis Tul. 
Trib. XVJ. Graphide ®.- 
‚Apotheeia difformia lirellina, thalamiam vel e paraphysibus veris 
vel indistinctis formatum. Sporae septatae, raro simplices. 
Xylographa F r. .(salt, pr. p.) — Opegrapha Humb. — Stigmati- 
dium Mey. — Giyphis. Ach. — Chiodecton Ach. — Arthonia Ach. 
Pf) MPX..p-- ‚(hne quogue Coniangium Fr. et Coniocarpon Fr.) 
Series VI Nueleifere. 
Thallus peltatus vel erustaceus (squamosus, areolatus, granulosus, 
pulvereus vel in formis inferioribus hypophlaeodes (sive hypolitheus 
b.'e, gonidiis inter particules superficiei saxi immiztis) vel rarius 
nullas. Apothecia nucleiformia vel thallo inclusa, vel emersa, thala- 
mium vel paraphysibus nullis vel distinctis. 
Trib. XVIL Porinee. 
Thallus erustaceus. Apotheeia thallo inelusa, epithecio poriformi. 
Sporae maximae episporio crasso einctae, paraphyses longissimae 
ramosae. Mucilago hymenea iodo caerulescens. 
"Pertusaria DE. 
" Trib. XVIN. Endocarpee. 
Thallus peltatus, erustaceus, hypophlaeoides vel nullas. Apothe- 
eia nucleo consistentia in sicco pallido vel albo, perithecio (hypotbeeio) 
aut concolore aut nigricante eineta. Paraphyses saepius nullae propris. 
'Thelocarpon N yl. (Sphaeropsis Flot.) — Endocarpon Hedw. — 
Thelenella Nyl. — VerrucariaPers, — Limboria Eschw. — Stri- 
gula Fr, — Endococcus Nyl. \ 
Incerti loci sunt ob apothecia mihi ignota: 
"Siphula ceratites Fr., quae forte e serie Intricatarum; Ende 
carpon pulchellum Hook. (Lenormandia Jungermanniae Del.) quod 
forsan Coccocarpäs Pers. associandum, apothecia enim a Rev. 
Leigthon in Ang. Lich. tab. 3, fig. 1. depicta facile ex opinione ce- 
Ieberimi Tulasne(Mem. pag. 128) Sphaeriae; et Endocarpon viride 
Ach. (Verrucaria laetevirens Borr.) quod potins ad tribum Endo- 
carpearum pertinet. — Gomphillus calicioides (Baeomyces Del, 
Dub.) fungis veris similiter adnamerandus erit. 
‘Le genre Gonionema est forme par le Collema velutinum Somm erf. 
(Exs. Norv. 71), et les deux especes europeennes da genre Phyllis 
cum, que je connaisse, sont le Ph. endocarpoides Nyl. (Endocat- 
pon phylliscum Whlnb,, Sommerf. Exs. Norv. 58), et le Colemo 
Demaugeonii Moug. et Mont. L’organisation du Synalissa Dr. 
