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619. Arihopyrenia (s, Mesopyrmia) ceylonensis Miill. Arg., 

 Verrmaria ceylonensis Leighfc. Lich. Ceyl, n. 174, t. 37. fig. 40. 

 Thallus albus v, albidus, laevis, subfarinosus, nigro-limitatus; 

 gonidia chroolepoidea, cellulae oblongatae; apothecia solitaria 

 et simul 2— 3-natiin confluentia, */io ^^i. lata, depressiuscula, 

 basi completa sed distincte tenuiora, undique nigra, basi circum- 

 circa extrorsum producta et facile in pseudostromata confluen- 

 tia. praeter verticem acutiusculum nigrum et nitidum thallino- 

 velata; paraphyses copiosae^ intricatim connexo-ramosissimae; 

 asci 8-spori; sporae in ascis imbricatim uniseriales, hyalinae, 

 2-loculares5 circ. 25 ii longae et 6 — 8 fi latae, loculi lateraliter 

 plus minusve distincte repandi. — In insula Cey Ionia corticola: 

 Thwaites n, 174. 



620. Arffiopyrenia (s. Mesopyrenia) iruncata Mull. Arg. Thal- 

 lus quasi maculam olivaceo-pallidam laevigatam margine linea 

 valida nigra crispula cinctam per epidermidem perspicuam 

 formans; gonidia depauperato-chroolepoidea, irregulariter ob- 

 longata; apothecia */io ^^^* lata, Integra, sed basi truncato- 

 obtusa tenuiora, undique nigra, circiter pro ^3 altitudinis im- 

 mersa, pars emersa nuda et nigra, convexa, superne autem 

 latissime truncato-depressa et centro minute foveolata, sat facile 

 2—3 confluentia ; paraphyses laxe trabeculatini et arcuatim 

 connexo-ramosae ; asci anguste cylindrici , 8-spori ; sporae in 

 ascis apposite uniseriales, hyalinae, 18—21 fi longae et 8 fi 

 latae, 2-loculares, loculi lateraliter subrepandi, — ■ Extus e longin- 

 quo Pyrenulam aggregatam simulat, sed apothecia Superne plano- 

 depressa et sporae omnino aiiae* Apothecia hinc indegemina- 

 tim V. etiam irregulariter seriatim confluentia et gregatim con- 

 ferta et sparsa in eodem specimine occurrunt. — Corticola 

 prope Apiahy in Brasilia: Puiggari n» 249. 



621. Arthopyrenia (^s, Mesopyrenia) minuscula M-iiW, Arg, Thal- 

 lus cam cellulis corfcicis confusus maculam rosello-griseam r. 

 e rosello pallidam effusam simulans ; gonidia glomeruloso-chroo- 

 lepoidea; apothecia Vs ^^i. lata et minora, depresso-globosa, 

 duplo latiora quam alta, basi 2 — 4-plo tenuiora, undique fusco- 

 nigra, circiter semiimmersa^ triente superiore et ultra a thallo 

 nudata, rotundato-obtusa, nitidula; paraphyses tenellae, sat co- 

 piose connexo-ramosae; asci cylindrici, 8-spori; sporae in ascis 

 irregulariter biseriales, hyalinae, 12 — 16 ^ longae et 37^—5 fjt 



latae, 2-loculares et demum 4-Ioculares. 

 Apiahy in Brasilia: Puiggari n, 2165. 



Corticola prope 





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