— 59 - 



Trib. X. Pannarieœ Koerb. Syst. p. 105. 



54. Coccocarpia pellita v. parmelioides Mail. Arg. L. B. n° 421. 

 — Muscis et aliis Lichenibus instrata in Cordillera de Péribébuy ; 

 n° 4204. 



— v. tenuior Mi'ill. Arg. L. B. n° 421. — Gorticola in Paraguay. 



55. Coccocarpia aurantiaca Montg. et v. cl. Bosch Lich. Jav. 

 p. 39. — Cordillera de Péribébuy, corticola : n° 4213. 



56. Pannaria polyspora Miill. Arg.; thallus dense caespitoso- 

 squamulosus, obscure olivaceus ; squâmulae adscendentes, obtuse 

 inciso-lobatae aut crenatae v. longiores opuntioideo-crenatae, irre- 

 gulares, crassiusculae, opacae ; gonimia cavernoso-glomerulosa et 

 caerulescenti-virentia ; apothecia lecanorina, modice emergentia, 

 evoluta (rara) 1 mm. lata v. paullo majora, margine thallino integro 

 v. demum sublobato cincta; discus planus, fuscus ; epithecium fui— 

 vescens; lamina et hypothecium hyalina ; asci ventricoso-cylindrici, 



apice valde pachydermei, valde polyspori ; sporae 3— -5 \j longae , 



"globosae et globoso-ellipsoideae. — Species ascis polysporis insi— 

 gnita et dein sectionem distinctam, Polysperma, formans, reliquis 

 ex ascis 8-sporis , sub Octospermate ordinatis. — In Cerro de 

 Yaguaron, ad saxa arenacea : n os 4235, 4237. 



Trib. XI. Placodieae Mûll. Arg. Enum. Lich. Genève, p. 37. 



57. Placodium albo-bffiguratum (Anzi) Miill. Arg. L. B. n° 1135 ; 

 Squamaria albo-effigurata Anzi Cat, p. 46 ; — Cerro de Yaguaron, 

 cura Pannaria polyspora : n° 4237, pr. p. 



58. Placodium (s. Acarospora) exiguum Mûll. Arg; thalli squa- 



î î 

 mulae — -— mm. latae, fuscae v. badio-fuscae, opacae, orbiculares, 



margine repando-sublobatae , siccae adpresso-planae et laeves, 

 madefactae leviter convexae, monocarpicae; apothecium in centro 

 squamarmn umbonato-emineus, e punctiformi in disculum exiguum 

 subimmersum at thallo prominulo cinctum abiens ; discus concolor 



et nudus; sporae in ascis numerosissimae et perexiguae, 2— -3— p 



\ . 



tantum longae et 1— p latae , rectae et curvatae. — A proximo 



PI. admisso, se. Lecanora admissa Nyl. in Flora 1867, p. 370. 

 (Th. M. Fries Scand. p. 217), cui similis , differt squamis ob 

 emergentiam apotheciorum centro umbonatis (nec ibidem impressis) 

 et minutie apotheciorum. — Saxicola in Paraguay. 



59. Ampiiiloma rraciiylobum Mûll. Arg.; thallus orbicularis, 

 quasi squamulosus, squâmulae dense confertae arcteque adpressae, 

 secus marginem thalli subradiantes, obtuse lobatae et convexae 

 v. gibboso-irregulares, laevigatae, obscure vitellinae, demum in 

 argillaceum imove subciuereo-olivaceum décolorantes; apothecia 

 evoluta 1 mm. lata, numerosa saepeque mutua pressione subangu- 

 losa, margine thallode tenui integro et leviter prominente cincta, 

 rufo-aurantiaca (v. decolorando sublivido-fuscescentia), arcte ses- 

 silia v. adpressa; lamina et hypothecium hyalina, epithecium laete 

 lutescens; asciS-spori, augusti ; sporae orculiformes, 12-16^ longae, 

 6-10 p latae, altero apice v. utrinque obtuse angustatae; — Thallus 

 minus quam in aliis generis radiatim lobatus et Lichen prima fronte 

 facile pvo Callopismate azirantiaco Mass. habendus est. — Ad 

 saxa arenacea prope Asuncion : h° 4200. 



