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deae, hyalinae, circ. 12-loculares, loculi 2— 3-locellati. — In 

 Guyana gallica: Leprieur n. 13 (a eel, Montagne B.d AsiroUielium 

 conicum Eschw. relata, ubi sporae omnino aliae). 



p. cinerea^ stromata ex ochraceo cinerascentia v. 

 fusco-cinerea. — In Guyana gallica: Leprieur n. 41, 48. 



832. Pleurotrema polysemum Miill. Arg.5 idem est ac 

 Paraffielium polysemum ITyl. Prodr. Nov. Gran. p. 126 (sed altera 

 species Paraffielii, sc. P. indutum Nyl. 1. c. pro generis forma 

 normali Parathelii servanda est. — Quoad characteres Pleuro- 

 tremaiis vid Mtill. Arg. Lich. Cub. Wright. — In Nova Granata: 

 Lindig n. 2691. 



833. Pleurotrema anisomerum Miill. Arg.; Verrucaria clan- 

 destina Montg. in Annal. sc. nat. 1843 p. 59 (sed syn. allat., sc. 

 Pyrmula dandesiina Ach. Syn. p. 118 non hie spectat); thallus 

 pallide fuscus, tenuis, iaevis; apothecia Vt^Vs ^^' l^t^^ o^" 

 tecta, sub prominentia thallina obliqua, decumbentia, integra, 

 basi tenuiora, oblique breviter in collum abeuntia; ostiolum 

 nigrum, sub prominens; paraphyses connexae; asci 2-seriatim 

 S-sporae; sporae 60 — 65 ja longae, 25—27 



hyalinae, 

 articulus 



Corticola 



jM latae, 

 oblongo-obovoideae, longe infra medium l-septatae, 

 inferior angustior et superiore subtriplo brevior, — 

 in Guyana gallica: Lepriem* n. 1248. 



834, Plagiotrema lageniferum MiiU. Arg.; Trypetkelium 

 lageniferum Ach. Syn* p. 105; thallus olivaceo-flavicans, tenuis, 

 laevis, subdeterminatus; verrucae 1-carpicae, (v. raro duplices 

 et turn distanter dicarpicae), I'/a ^^^^' latae, hemisphaericae, 

 basi sensim in thallum abeuntes, cum thallo concolores et thal- 

 linae, late rotundato-obtusae, infra apicem hinc minute nigro- 

 1-ostiolatae^ intus pallidae ; perithecium ovoideum, complete 

 nigrum sed basi valde attenuatum, apice angustatum (lageni- 

 forme) v. etiam coUo subdestitutum; nucleus albus ^ paraphyses 

 tenellae, laxe connexae, confertae; asciangusti, 2-seriatiin 4— 6- 

 spori; sporae hyalinae, 120 — 170 11 longae, 35—42 f.i latae, cy- 

 lindricae, 6-loculares. — Extus quasi Astrothelium variolosum^ 

 verrucis minus elatis et minus flavescentibus refert, nee non 

 Parathelium macrosponim Mull. Arg. imitans, sed omnibus parti- 

 bus validius. — Quoad charact. Plagiotremaiis vid. Mull. Arg. 

 Lich. Cub. Wright, — Corticola in Guyana (hb. Ach.). 



835. Campylothelium superbum Miill, Arg.; Trypethelium 

 superbum Fries S. O, Veg. p. 287 (1825); verrucae IV*— IV2 ^^' 

 latae, alte colliculoso-hemisphaericae, ambitu regulares aut hinc 



