Bd. IV: 11) THE LICHENS. 27 
Ochrolechia Mass. 
Ochrolechia pallescens (L.) Mass. — DARBISH. Pertus. p. 617. 
Literature: DARBISH. Fram, p. 28. — Waın. Belg. p. 21. 
Lecanora pallescens (L.) SCHAER. — HELL2. 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. 
Leranora farella Acıı. — Hook. Fl. Ant. I, p. 199; II, p. 536. — Mürr. Speg. No. 57. — Nyr. 
Fueg. p. 8. 
Lecanora pallescens v. parella (L.) SCHAER. — HELLE. 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 tartareca AcH. — Hook. Fl. Ant. I, p. 199; II, p. 536. — Hu Lich. Exot. No. 1455. — 
Mürr. Mag. p. 161. — MüÜLr. Speg. No. 54. — Nvr. 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. 
Deseription: p. 7, pl. I, fig. 11. 
Locality: Falkland Islands* (9). — On stone, in fruit. 
Pertusaria corrugata nov. spec. 
Description: p. 6, pl. 1, fig. 10. 
Locality: Falkland Islands* (8). — Over stone, in fruit. 
Pertusaria solitaria nov. spec. 
Description: p. 7, pl. ı, fig. 12. 
Locality: Falkland Islands* (9). — On stone, in fruit. 
Xanthoria Fr. 
Xanthoria Iychnea (AcH.) Tu. FR. — TH. FR. Lich. Scand. p. 146. 
Literature: DARBISH. Fram, p. 30. — DArBIsH. Nat. Ant. p. 3. — DARBISH. Ork. p. 4. — Waın. Belg. 
p- 22. 
2 Physcia lychnea Acu. — NYL. Fueg. p. 6. 
Theloschistes controversus MASS. v. Zychneus Acu. — Mürr. Speg. No. 43. 
Distribution: Asia; Europe; North and South America; Antarctis. 
Localities: Tierra del Fuego (1fr., 2); Falkland Islands (9 fr.); Graham Land (22, 25, 
26, 28). — On stone. 
