— 118 - 



SW. 1: Reykjavik, the upper litt, zone, 2 /s 1895 (cyst) ibd. (Grønlund) 

 1875. 



Öndverdarnes, n / 7 1897 (tetr.). 



Njardvik, the upper litt, zone, 12 / 6 1896 (Ostenfeld). 



Seltjarnarnes 26 /8 1907, upper litt. zone. 



Ibid. 22 / 7 1 907; ashored. 



Grötta, 27 /s 1907, upper litt. zone. 



Njarbavik, 12 / G 1896 (Ostenfeld). 

 NW. 1: Dyrafjöröur by Myrakollur, 30 / 6 1896 (Ostenfeld). 



Abalvik, 13 / 5 1897 (Lundbeck) (tetr.). 



Skâlholtsvik, 6 / 9 1897 (tetr.). 

 N. I: Kolbeinsâ, 2 / 9 1907 (related to virgata). 



ÖnundarfjörÖur c. 12 fathoms. (Lundbeck). 



Broddanes, 28 / 8 1 89 7. 



Hjalteyri, 15 /o 1897, 0. DaviÖsson. 2 spec. with. Cyst. 

 Hrisey, 3 / 7 1898 (cyst). 

 Arnanes, 29 /o 1898 (tetr.). 



The type linearis ; fig. VI. 

 forma linearis. 



SW. I: Reykjavik, 12 / 7 1905 (cyst, og tetr). 

 NW. I: Skâlholtsvik, 6 / 9 1897. 

 N. I: Broddanes, 28 / 8 1 89 7 (tetr.). 



West-Greenland. 

 With certain indications of locality only a few irregular speci- 

 mens (the type subtypica-modificata) collected at Godhavn in June 

 1834 by J. Vahl. Tetraspores rare. The cells in the bark with 

 Floridéan-stareh-grains. 



List of the literature. 



Agardh, 1. G., 1851: Species genera et ordines algarum; Vol. II, Pars I. 



1894: Analecta algologica, Gont II: De typis Geramiorum, Lund. 



Borg es en, F., 1902—03: Marine Algæ; Botany of the Færoes, Part II., Co- 

 penhagen & Christiania. 



Borges en, F., 1908: The algæ Vegetation of the Færoese Coasts with re- 

 marks on the Phytogeography ; Botany of the Færoes, Part III, Copenhagen 

 and Christiania. 



Börgesen, F. and Jönsson, H., 1908: The Distribution of the marine 



Algæ of the Arctic Sea and of the Northernmost Part of the Atlantic; 



Botany of the Færoes. Vol. Ill, Appendix. 

 Foslie, M., 1894: The Norwegian forms of Ceramium; kgl. norske Vid. Selsk. 



Skrifter 1893; Trondhjem. 

 Jonsson, H., 1901: The marine Algæ of Iceland. 1. Rhodophyceæ; Botanisk 



Tidsskrift, Bd. 24; H. 2, København 



