14 



H. JONSSON 



Ectocarpus tomentosoides Farl., New or imperfectly known Algae 

 of U. S., reprint from Bull. Torr. Bot. Club, Vol. XVI, 1889, p. 11, 

 T. 87, fig. 4; K. Rosenv., 61, p. 180; Gran, En norsk form af Ectoc. 

 tomentosoides Farl., Christiania Vidensk. Selsk. Forhandl. for 1883, 

 No. 17; Kuckuck, Ueber Polymorphie bei einigen Phaeosporeen in 

 Festschrift fur Schwendener, p. 370, figs. 5—7. 



E. Icel., N. Icel., NW. Icel.; common in SW Icel. and S. Icel. 



Ectocarpus tomentosus (Huds.) Lyngb., Hydr. Dan. (51) p. 132; 

 Kjellman, 35, p. 73. 



SW. Icel, S. Icel. 



Ectocarpus confervoides (Roth) Le Jol., Kuck., 48, p. 19; Kjell- 

 man, 35, p. 77, ex pte. ; K. Rosenv., 61, p. 883, ex pte. 

 Found in all parts of the coast. 



Ectocarpus siliculosus (Huds.) Lyngb., Hydr. Dan. (51) p. 131; 

 Kjellman, 35, p. 78; Kuck. 48, p. 15. 

 N. Icel, SW. Icel. 



Ectocarpus penicillatus (Ag.) Kjellm., 35, p. 76; E. confervoides 

 f. penicillata Kjellman, 39, p. 79. 

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



Ectocarpus fasciculatus (Griff.) Harv., Kjellm. 35, p. 76. 

 SW. Icel, S. Icel. 



Ectocarpus Hinksiae Harv., Manual, p. 59; Phyc. Brit., T. 22; 

 Sauvageau, Observations relatives a la sexualite des Pheosporees 

 (Journal de Botanique, 1896). 



S. Icel. 



Fam. Elachistacese. 

 Leptonema fasciculatum Rke, 58, p. 50; var. subcylindrica K. 

 Rosenv., 61, p. 879. 



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



Elachista fucicola (Veil.) Aresch., emend. K. Rosenv., 61, p. 878; 

 E. fucicola Stromf., 70, p. 49. a typica is the most common, /? lu- 

 brica (Rupr.) K. Rosenv. is rather common. 



In all parts of the coast. 



Fam. Sphacelariacese. 

 Sphacelaria britannica Sauvag., 67, p. 50. 

 N. Icel, SW. Icel, S. Icel. 



