MARINE ALGAL VEGETATION V 



land. On one of the labels is written "misit Faber." In Flora Danica T. 

 2579 a specimen of this plant is figured, regarding which Liebmann 

 writes: '*ad littora Islandiae pr. Reykjavik legit beatus Faber, cujus spe- 

 cimina raecum communicavit cl. Hofman-Bang." 



Fam. Rhodomelaceae. 



Pterosiphonia parasitica (Huds.) Falkenberg, Die Rhodomelaceen 

 des Golfes von Neapel. Polysiphonia p. Kjellman, 36, p. 117; H. 

 Jonsson, 31, p. 142. 



S. Icel. 



Polysiphonia urceolata (Lightf.) Grev., Stromf., 70, p. 24. 

 Common around Iceland. 



Polysiphonia fastigiata (Roth) Grev., Stromf, 70, p. 24. 

 NW. Iceland.; common in SW. Icel. and S. Icel. 



Polysiphonia arctica J. Ag., K. Rosenv., 61, p. 800. 

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



Polysiphonia nigrescens (Huds.) Harv., Kjellman, 36, p. 126. 

 N. Icel.. SW. Icel. 



Rhodomela lycopodioides (L.) Ag., Stromf., 70, p. 23. 

 Common around Iceland. 



Odonthalia dentata (L.) Lyngb., Stromf., 70, p. 23. 

 Common around Iceland. 



Fam. Ceramiaceae. 



Callithamnion Arbuscula (Dillw.) Lyngb., Stromf., 70, p. 32. 



Rather common in SW. Icel. and S. Icel. 



Callithamnion scopulorum C. Ag., Spec. Alg. (2), p. 176. 



SW. Icel., S. Icel. 



Plumaria elegans (Bonnem.) Schmitz, Syst. Uebersicht der bisher 

 bekannten Gattungen der Florideen, Flora oder allgem. bot. Zeit., 

 1889; Ptilota e. Kjellman, 36, p. 172. 



SW. Icel., S. Icel. 



Ptilota plumosa (L.) Ag., Stromf., 70, p. 32. 



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



Ptilota pectinata (Gunn.) Kjellm., Stromf., 70, p. 32. 



Common in E. Icel., N. Icel. and NW. Icel ; rather rare in SW. Icel. 



Antithamnion Plumula (Ellis) Thur. /? boreale Gobi, K. Rosenv., 

 61, p. 787. A. boreale Stromf., 70, p. 32. 



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



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