Bd. IV: il) THE LICHEN'S. 2] 



Ochrolechia Mass. 



Ochrolechia pallescens (L.) Mass. — Darbish. Pertus. p. 617. 



Literature: Darbish. Fram, p. 2S. — Wain. Belg. p. 21. 



Lecanora pallescens (L.) Schaer. — Hellb. N. Z. p. 61. 

 Distribution: A cosmopolitan species. 



Locality: Tierra del Fuego (1 fr.). — On trees. 



Ochrolechia parella (L.) Mass. — DARBISH. Pertus. p. 618. 



Literature: Darbish. Fram, p. 28. 



Lecanora parella Acn. — HOOK. Fl. Ant. I. p. 199; II, p. 536. — MÜLL. Speg. No. 57. — Nvi.. 

 Fueg. p. S. 



Lecanora pallescens v. parella (L.) Schaer. — Hellb. N. Z. p. 62. 

 Distribution: Throughout the world. 



Localities: Falkland Island (8, 9, 10); South Georgia* (20). — On stone, always in 

 fruit. 



Ochrolechia tartarea (L.) Mass. — Darbish. Pertus. p. 616. 



Literature: Darbish. Fram, p. 28. 



Lecanora tartarea Ach. — Hook. Fl. Ant. I, p. 199: II, p. 536. — Hue Lieh. Exot. No. 1455. — 

 MÜLL. Mag. p. 161. — Müll. Speg. No. 54. — Nyl. Fueg. p. 9. 

 Distribution: Asia, America and Europe. 



Localities: Falkland Islands (8, 9); South Georgia* (17, 19); Graham Land* (26). — 

 Over earth and moss, always in fruit. 



Pertusaria D. C. 



Pertusaria alterimosa nov. spec. 



Description: p. 7, pi. 1. fig. 11. 



Locality: Falkland Islands* (9). — On stone, in fruit. 

 Pertusaria corrugata nov. spec. 



Description: p. 6, pi. 1, fig. 10. 



Locality: Falkland Islands* (8). — Over stone, in fruit. 

 Pertusaria solitaria nov. spec. 



Description: p. 7, pi. 1, fig. 12. 



Locality: Falkland Islands* (9). — On stone, in fruit. 



Xanthoria Fr. 

 Xanthoria lychnea (Ach.) Th. Fr. — Tu. Fr. Lieh. Scand. p. 146. 



Literature: Darbish. Fram, p. 30. — Darbish. Nat. Ant. p. 3. — Darbish. Ork. p. 4. — Wain. Eeli;. 

 p. 22. 



Physcia lychnea Acil. — Nvi.. Fueg. p. 6. 



Theloschistes controversus Mass. v. lychneus Ach. — MÜLL. Speg. No. 43. 

 Distribution: Asia; Europe; North and South America; Antarctic. 



Localities: Tierra del Fuego (1 fr., 2); Falkland Islands (9 fr.); Graham Land (22, 25, 

 26, 28). — On stone. 



