LICHENES EXOTICI. 147 



2516. Lecidea lavata Acb., Nyl. in Flora 1873, p. 23; L. pelrseay&r. lavataNyl. Lich. 

 Scand. p. 234, ubi definilur; illius thallus K (CaCl) —, et sporse sunt incolores; cfr. Hue 

 Addend. Lichenogr. europ. pp. 216 et 218. = In Asia orientali (Japonia, Lich. Jap. p. 82). 

 Invenitur eliam in pluribus e locis sub L. petrsea Flot, allatis et in Europa. 



2517. L. atro-csesia Nyl. Lich. Fr. Behr. pp. 39 et 51, ubi deQnilur; L. parapetr&a 

 f. atro-csesia Nyl. ibid. p. 15 et in Flora 1876, p. 239, et in hoc eliam definitur; thallus K 

 (CaCl) suberythrinose tingitur. = In Asia boreali (Lawrencebay etc.). — Etiam in Europa. 



2518. L. apopetraea Nyl. in Flora 1885, p. 446, et Lich. Fr. Behr. p. 15, ubi definitur ; 

 thallus K — , CaCl- — ,1 — ; epithecium K nonnihil vel obsolète purpurascit. = In Asia boreali 

 (Lawrencebay). 



2519. L. roridula Nyl. Lich. Fr. Behr. p. 39. — Rhizocarpon roridulum Th. Fr. 

 Lichenogr. scand. p. 629. = In Asia boreali (Konyambay). — Etiam in Europa. 



2520. L. detinens Nyl. in Flora 1885, p. 441, et Lich. Fr. Behr. p. 59, ubi definitur ; 

 thallus K — , CaCl — , I — . = In Asia boreali (Behring insula). 



2521. L. eonfervoides Nyl. Lich. Fr. Behr. pp. 15 et 51 ; L. lavata f. eonfervoides Ny]. 

 ibid. p. 59. — Rhizocarpon eonfervoides DC, Nyl. Lich. Scand. p. 233, ubi definitur. = In 

 Asia boreali (Lawrencebay etc.). — Etiam in Europa. 



2522. L. excentrica Ach., Nyl. Lich. Scand. p. 234, ubi definitur. = In Asia boreali 

 (Konyambay, Lich. Fr. Behr. p. 39). — In America boreali (Port-Clarence, ibid p. 71). — 

 Etiam in Europa. 



2523. L. postuma Nyl. in Flora 1868, p. 345, ubi definitur. = In Asia boreali (Behring 

 ins., Lich. Fr. Behr. p. 59, ubi sporse definiuntur) et orientali (Japonia, Lich. Jap. p. 82, 

 ubi sporse definiuntur). — Etiam in Europa. 



2524. L. geminata Flot., Nyl. Prodr. Lich. Gall. p. 129 et Lich. Scand. p. 234, ubi 

 definitur; Enum. Lich. p. 125. = In Asia boreali (Lawrence ins., Lich. Fr. Behr. p. 51). — 

 In Africa orientali (Abyssinia). — In America boreali (Alaska, Lich. Fr. Behr. p. 88). — 

 Eliam in Europa. 



2525. * L. Montagnei Flot., Nyl. Prodr. Lich. Gall. p. 129 et Lich. N. Zeland. 1888, 

 p. 113, ubi definitur; Enum. Lich. p. 125; thallus K — .= In Oceania (Nova Zelandia). — 

 Etiam in Europa. 



B. — Thallus citrinus. 

 46. — Stirps Lecidese geographicx Schaer. 

 Sporee 8 r,;p , fusece vel nigrescentes, 1-3-septataï et seepius murali-divisse. 



2526. L. galbula Nyl. Lich. Scand. p. 247, ubi definitur; Enum. Lich. p. 126. — Psora 

 galbula (Bam.) DC. = In America boreali. — Etiam in Europa. 



2527. L. scabrosa Ach., Nyl. Lich. Scand. p. 247, ubi definitur; Enum. Lich. p. 126. = 

 In America boreali (Port-Clarence, Lich. Fr. Behr. p. 69 et alibi). — Etiam in Europa. 



2528. L. alpicola Nyl. Prodr. Lich. Gall. p. 142 et Lich. Scand. p. 247, ubi definitur; 

 Enum. Lich. p. 126 ; L. atrovirens var. alpicola Ach. ; medulla leviter I cœrulescit saltem 

 in exemplaribus e frelo Behringii. = In Asia boreali (Lawrencebay etc., Lich. Fr. Behr. 

 pp. 15, 38, 39 et 59 et alibi). — In America tropica (Bolivia, Lich. And. Boliv. p. 382, 

 ubi sporœ definiuntur). — Etiam in Europa. 



2529. L. leucopsephaNyl. in Flora 1884, p. 217, et Lich. Fr. Behr. p. 39, ubi definitur; 

 medulla I -\- leviter cœrulescit. = In Asia boreali (Konyambay). 



2530. L. subalpicola Nyl. Lich. Fr. Behr. p. 39, ubi definitur; thallus Kzp.= In Asia 

 boreali (Konyambay). 



