KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 63. N:0 8- 7 



g o n i a : Fitzroy Channel, 13 — 14 m, pebbles, large and beautiful micans (St. 17, 18. 4. 

 08, e). Fuegia: Slogget Bay, enormous fronds (some of obovata-ty\)e) washed 

 ashore (St. 47 b, 16. 3. 09); Tekeenika, Allén Gardiner Bay, numerous large fronds 

 drifted, typical micans (10. 3. 09, ?). Falkland Islands: Westpoint Island, 

 abundant in the middle litoral (St. 8 b, 5. 12.07); near Halfway Cove, in tide-pools, 

 small, of obovata-ty^pe (St. 4 c, 21.11.07, ?); Cape Pembroke, slieltered inner pools, 

 two forms, one at the waters edge, typical micans, another submerged, several dm long, 

 like obovata (St. 3 b, 7. 11. 08), and in the outer, deeper basins, a very large form cor- 

 responding to micrococca (St. 3c, 7. 11. 07). South Georgia: Cumberland Bay, 

 Boiler Harbour, 5 m {micans, St. 48, 20. 4. 09, ©); Bay of Isles, Rosita Harbour, 8 m, 

 stones, approaching /. heterococca Kutz. (St. 52, 25. 4. 09, ?). 



Distribution: W. coast of N. Amer., Chile, Fnegia, Falkl., S. Georgia, Crozet I., 

 Anckl. I., Graham and Victoria Land. 



I. laminarioides Bory; Hohenacker, Alg. mar. sicc. VII no. 335. 



On exposed coast in the litoral region, sometimes found growing in very strong 

 surf. Chile: Valpariaso, rocks near Playa Ancha (St. 41, 2.9.08); Chiloé, Punta 

 Talcån, in the surf, old worn specimens (St. 29 B, 12 (7. 08), Quemchi, lower litoral, 

 small and branched (St. 30 b, 19. 7. 08, ?, e); Huafo Island, Samuel Cove, two forms, 

 a larger one in tide-pools, a smaller on the exposed reefs, both much worn, the latter 

 with cystocarps (St. 31, 25.7.08, 5). West Patagonia: Fvangelistas Islands, 

 on rocks in the surf (St. 26, 26.5.08, e). South Patagonia: Arauz Bay (St. 

 23 a, 3. 5. 08). Falkland Islands: Westpoint Island, in the Durvillea Harveyi- 

 belt, the same as the larger form from Huafo (St. 8 c, 5. 12. 07). 



Distribution: W. coast of N. Amer., Peru?, Chile to Fuegia, Falkl., Kerg., Auckl. I. 



I. Augustinae Bory. — Kylin & Skottsb. p. 8. 



Syn. /. micans p ciliolata Hook. Fil. et Harv. in Lond. Journ. Bot. 4 (1845) p. 263, 

 Fl. Ant. II p. 485. 



South Patagonia: Gajardo Channel, Témpanos Cove in litoral basins, 

 ciliated all round and with a rough surface (St. 21 B, 27. 4. 08); Magellan Strait, Susanna 

 Cove, sublit. 15 m, one large plant (May 08, e). Falkland Islands: West- 

 point Island, middle litoral pools (St. 8 b, 5. 12. 07); Cape Pembroke, upper tide-pools 

 (St. 3, 7. 11. 07, 7. 1. 08). 



To this belongs /. laminarioides in Kylin & Skottsb. p. 7 (Fuegia), with a cuneate 

 and ciliolate base. Fronds springing from the same holdfast vary in this respect. Some 

 of the specimens mentioned 1. c. from Falkland, St. 35, should rather be classified with 

 cordata. 



Distribution: Centr. Chile (? /. ciliata Kutz. Tab. phyc. XVII, t. 10) to Fuegia, 

 Falkl. 



