52 GRAPHIDEÆ FEEANÆ. 
Opegrapha ob defectum sporarum negligenda est). — Corticola in Antillis (ad specim. 
Féean.). 
Sect. 4. CaroMopiscus Müll. Are. 
Perithecium pallidum, sub lamina deficiens ; labia non sulcata; discus latus, coloratus. 
11. Phæographina (s. CHROMODISCUS) irregularis Müll. Arg.: Fissurina 
irregularis Fée Ess. Suppl. p. 46, t 40; Graphis irreqularis Nyl. Lich. Exot. Peruv. 
p. 228. — Plantula insignis, sectionem distinetam inter Phœæographinas constituens. 
— Lirellæ et lineari suborbiculares, irregulares, late hiantes ; labia thallino-corticata, 
ore extenuata demumque subdecolorata et crenulato-sublacera ( « scariosa » Fée), 
cæterum obscure cinerea: perithecium in seclione utrinque zona olivaceo-falvescente 
indicatum; discus planus, rubenti-fuseus, nudus; lamina (nt in Lecanactide Ny1.) 
prima fronte paraphysibus distinctis spurie destituta, vesiculoso-granulosa, hyalino- 
alba; epithecium rufo-fuscidulum ; asei #-spori; sporæ in ascis parallele juxtapositæ, 
cylindrico-ellipsoideæ, olivaceo-fuscidulæ, cire. 110 4 longæ et 25 y latæ (semel vidi), 
crebre parenchymatice locellatæ. — Cinchonicola (ad specim. Féean.). 
LT. GYROSTOMUM EX. Fries Syst. Orb. Veg. p. 268; 
Nyl. in Prodr. Nov. Gran. p. 51. 
Gymnotrema Nyl. Enum. gén. p. 119. — Est genus graphidaceum, nec thelotremoideum, lirellæ, 
vulgo orbiculares, haud raro simul occurrunt oblongatæ, 2-4-plo longiores quam latæ, 
rectæ aut varie curvatæ; sporæ fuscæ, parenchymaticæ; paraphyses intricatim connexo- 
ramosissimæ ; gonidia chroolepoidea. 
Gyrostomum scyphuliferum Nyl in Prodr. Nov. Gran. p. 51; Lecidea 
seypholifera Ach. Syn. p. 27: Thelotrema atratum Fée Ess. p. 109, t. 23, f. #: Leci- 
dea? Thelotrematis Fée Ess. p. 109; Gymnotrema atratum Nyl. Enum. géner. p. 119; 
Lecanora ocellata Zenk. in Gœbel Pharm. Waarenk. [, p. 470, & 22, F 4 et Verru- 
caria parasema Zenk. 1. 6. p. 440, s. Variolaria parasema Zenk. 1. e. t. 16, f. 5: 
perithecium basi more Opegraphæ completam, undique crassum et nigro-fuseum ; 
epithecium fuseum; lamina fuscescens et ob paraphyses eximie tenellas arcte reticu- 
latim et intricatim ramuloso-connexas tenax; sporæ e hyalino demum fusculæ, 25-36 
