MARINE ALGAL VEGETATION 17 



Leathesia difformis (L.) Aresch., Kjellm., 36, p. 252. 

 N. Icel., SW. Icel. 



Chordaria flagelliformis (Mull.) Ag., Stromf., 70, p. 47; K. Rosenv., 

 61, p. 854. 



Common everywhere along the coast. 



Fam. Chordacese. 



Chorda tomentosa Lyngb., Hydrophytologia Danica, p. 74; K. 

 Rosenv., 61, p. 854. 



E. Icel., N. Icel., SW. Icel. 



Chorda Filum (L.) Stackh., K. Rosenv., 61, p. 853; Stromf., 70, p. 47. 



E. Icel., N. Icel., NW. Icel., SW. Icel. 



Fam. Laminariaceae. 



Saccorrhiza dermatodea (De la Pyl.) J. Ag. ; K. Rosenv., 61, p. 850; 

 Phyllaria lorea Stromf., 70, p. 42. 



E. Icel., N. Icel., NW. Icel., SW. Icel. 



Laminaria saccharina (L.) Lam., Kjellman, 36, p. 229; 35, p. 24; 

 Stromf., 70, p. 42. 

 f. typica; 

 f. linearis J. Ag., Kjellman 36, p. 229; 35, p. 25; Stromf., 70, 



p. 42; Borgesen, 13, p. 451, fig. 85; 



f. latifolia Kjellm., 35, p. 26 ; Laminaria saccharina f. latis- 

 sima Kjellm., 36, p. 230; Stromf., 70, p. 43? 



This species is common everywhere along the coast, especially the 

 principal form ; f. linearis is rarer and f. latifolia is only met with in E. 

 Icel. and NW. Icel. where it occurs gregariously. 



Laminaria fasroensis Borges., 13, p. 454. 



E. Icel., N. Icel. 



Laminaria nigripes J. Ag., emend. K. Rosenv., 61, p. 842. 



ft atrofulva (J. Ag.) K. Rosenv. (1. c.); Laminaria discolor, La- 

 minaria nigripes f. oblonga Stromf., 70, pp. 43 44. 



E. Icel. 



Laminaria digitata (L.) Lam., Kjellman, 36, p. 240; 35, p. 22; Stromf., 

 70, p. 45. 



f. genuina Le Jol. 49; Kjellman, 35, p. 23; 

 f. stenophylla Harv. Phyc. Brit., T. 338; Laminaria stenophylla 

 Stromf., 70, p. 45; J. Ag. De Lam., p. 18; Kjellm., 35, p. 24; 

 f. cucullata Le Jol., 49. 



F. genuina is common everywhere; f. stenophylla: E. Icel., SW. Icel., 

 S. Icel.; f. cucullata: E. Icel., NW. Icel. 



The Botany of Iceland. I. 2 



