LICHENES EXOTICI. 83 



1588. Pertusaria diffidens Nyl. Lich. Jap. p. 52, ubi dcfinitur ; lhallus K exlus inlus- 

 que leviter flavet. = In Asia orientali (Japonia). 



1589. P. subrugosa Nyl. Lich. Jap. p. 52, ubi definitur; thallus K flavescit, K (CaCl) 

 aurantiaco réagit. = In Asia orientali (Japonia). 



1590. P. concretaNyl. in Flora 1876, p. 233, ubi definitur; Enum. Lich. p. 117 ; P. We- 

 stringii Nyl. Lich. Pyren.-orient. p/35 ; thallus K + e flavo mox croceus rubens evadit, quœ 

 reactio perperam negatur in Flora 1868, p. 162. = In America boreali (Terra Nova). — 

 Etiam in Europa. 



1591. P. subcorallina Nyl. in Flora 1869, p. 121, ubi definitur; thallus K nonnihil 

 flavescit. = In America tropica (Brasilia). 



1592. P. albidella Nyl. Prodr. FI. N. Gran. éd. l a p. 33 et éd. 2 a p. 36 alque Syn. 

 Lich. N. Caled. p. 32, ubi definitur; thallus K — . = In America tropica (Nova Granata). 



1593. P. porinella Nyl. Syn. Lich. N. Caled. p. 32, ubi definitur; Prodr. FI. N. Gran. 

 locis citât. ; thallus K flavescit. = In America tropica (Mexico). 



159i. P, pycnothelia Nyl. Syn. Lich. N. Caled. p. 31, ubi definitur ; lhallus K -)- fla- 

 vescit. = In Oceania (Nova Caledonia, Flora 1867, p. 195). 



1595. P. thelocarpoides Nyl. Prodr. FI. N. Gran. Addit. p. 546, ubi definitur; lhal- 

 lus K — , CaCl -)-. = In America tropica (Nova Granata, Flora 1864, p. 617). 



1596. P. Wawreanoides Nyl. apud Cromb. Lich. capens. p. 174, ubi definitur; thal- 

 lus K e flavo cinnabarino-rubet. = In Africa meridionali (promont. Bonse Spei). 



1597. P. subdealbata Nyl. apud Cromb. Lich. capens. p. 175, ubi definitur; lhallus 

 Kte flavo cinnabarino rubet. = In Africa meridionali (promont. Bonœ Spei). 



1598. P. albido-pallens Nyl. Lich. Fueg. p. 22, ubi definitur; thallus K e flavo fer- 

 rugineo-rubet. = In America australi (Cap Horn). 



1599. P. aleianta Nyl. apud Cromb. Challeng. exped. p. 213, ubi definitur; thallus K 

 (CaCl) — ; sporae 2-4 na! . = In Africa occidentali (Arsenario promontorio, seu capite Viridi). 



1600. P. rhexostoma Nyl. Enum. Lich. Supplém. p. 336. « Thallus albus, tenuissimus, 

 laevigalus, subepiphlceodes ; apothecia innata parva extus prominentiis convexiusculis 

 apice demum apertis et concentrice ter-quinquies diffissis obtecta, epithecio nigri- 

 cante, hymenio depresso ; sporae 1-2 in thecis, longit. 0,065-125, crass. 0,040-52 millim., 

 paraphyses gracilentae articulais. Gelatina hymenialis et pracsertim thecse iodo intensive 

 cœrulescentes. Facie Thelotrematis dehiscentis Nyl., sed epithecio magis superficiali, ostiolo 

 thallino magis conspicuo, sphinctrine rimoso. Species maxime singularis et vix nisi sporis 

 hue directa. Comparetur P. phlyctœnula Nyl., infran 1667. » = In America septentrionali, 

 ubi corticola viget. 



1601. P. csesio-alba Nyl. Enum. Lich. p. 116; Addit. FI. chil. p. 160; P. pruinosa 

 Krempelh. — Phlyctis cxsio-alba Flot. = In Asia. — In Africa. — Etiam in Europa meri- 

 dionali. 



1602. P. microcarpa Nyl. Lich. ins. Guin. p. 44, ubi definitur. — Lecanora microcarpa 

 Nyl. Enum. Lich. p. 113; thallus K =. = In America australi (ins. Maclovianis). 



B. — Species quibus 4-8 sporx normaliter sunl in thecis. 



1603. P. leioplaca Schœr., Nyl. Lich. Scand. p. 181, ubi definitur; Enum. Lich. p. 117. 

 — Porina leioplaca Ach. ; Porina depressa Fée; P. Sclerolium Fée; P. papillata Ach. et P. 

 subeutanea Ach.; thallus K — , Lich. Pyren.-Orient. p. 37. = In Asia orientali (Japo- 

 nia, Lich. Jap. p. 53). — In Africa boreali (Algeria, Lich. Alger, p. 313 et Prodr. Lich. 

 Gall. p. 99), orientali (ins. Borbonia, Lich. exot. p. 257) et meridionali (Portu Natali, Lich. 

 Port Natal p. 7). — In America tropica (Mexico, Flora 1858, p. 380 ; Nova Granata, Prodr. 



