56 CARL SKOTTSBERG, MARINE ALG.E 2. RHODOPHYCE/E. 



South Patagonia: Fitzroy Channel, 13 — 14 m, on Lophurella Hookeriana 

 (St, 17, 18.4.08, <J, ?). 



Distribution: S. Patag. (first record), Falkl. 



Herposiphonia Naeg. 



H. Sulivanae (Hook. Fil. et Harv.) Falkenb. — Kylin & Skottsb. p. 60. 



Falkland Islands: Cape Pembroke, in tide-pools, on Corallina (St. 3 b, 

 7. 11.07, ©). 



Fertile specimens are reported here for the first time, but only with tetraspores. 

 The stichidia occur on the main axis or on the larger branches and resemble those in H. 

 tenella, as described by Falkenberg, Rhodomel. p. 303. 



Distribution: Fuegia, Falkl. 



Bostrychia Mont. 



B. Hookeri Harv. — Kylin & Skottsb. p. 60. 



One of the commonest litoral algae, forming almost pure associations in the upper 

 litoral region, on rocks, stones and Mytilus shells, and remaining uncovered during 

 some hours at low tide. C h i 1 o é : Ancud Harbour (St. 29 a, 10. 7. 08); Quemchi (St. 

 30 b, 19. 7. 08, e). West Patagonia: Puerto Charrua, on old trunks of trees 

 (St. 28 B, 14. 6. 08); Puerto Riofrio (St. 28, 13. 6. 08, ©); Atalaya Island (St. 25, 25. 5. 

 08). South Patagonia: Otway Water, Puerto Pomar (St. 15, 14. 4. 08); Arauz 

 Bay (St. 23, 3.5.08). Fuegia: Slogget Bay (St. 47, 16.3.09); Tekeenika, Allén 

 Gardiner Bay (St. 47 B, 10.3.09). Falkland Islands: near Halfway C 1 ove 

 (St. 4, 21. 11.07); Port North (St. 7 a, 2. 12. 07); Cape Pembroke (St. 3 a, 7. 11. 07). 



Specimens from St. 47 growing on Mytilus are provided with numerous haptere- 

 like branchlets, otherwise characteristic of B. Harveyi acc. to Falkenberg 1. c. p. 517. 



Distribution: Chiloé to Fuegia, Falkl. 



B. Harveyi Mont. ex Gay, Hist. de Chile, Bot. VIII p. 307, t. 16 f. 4. 



West Patagonia: Puerto Riofrio, on stones in the uppermost litoral, in 

 brackish water and mixed with mosses (St. 28, 13. 6. 08). 



An interesting record. Reported from the coast of Chile by Montagne and de- 

 scribed as growing in brackish water accompanied by a species of Philonotis. Said to 

 thrive in fresh water in New Zealand — if really the same species (comp. J. Agardh, 

 Anal. Algol. Cont. IV p. 80)? 



Distribution: S. Chile, W. Patag. (first record), ?N. Zeal. 



B. vaga Hook. Fil. et Harv. — Kylin & Skottsb. p. 61. 



Falkland Islands: Cape Pembroke, uppermost litoral with B. Hookeri 

 and Catenella (St. 3 a, 7. 11. 07). 



Distribution: Falkl., S. Georgia, Kerg. 



