50 



H. JONSSON 



Table 1. The Distribution of the Species along the coast (continued). 



B 2 



D 



B, 



A 



A 



B, 



D 



D 



B, 



I) 



D 



D 



C 



B, 



D 



B 1 



B 2 



D 



B, 



D 



D 



B, 



D 



B, 



D 



D 



B, 



D 



C 



B 2 



D 



C 



C 



D 



D 



D 



B 2 



B 2 



B, 



D 



D 



Bj 



A 



Lithothamnion glaciale (c) 



L. Ungeri (c) 



L. tophiforme (c) 



L. flavescens 



L. foecundum 



L. laeve c . . . 



L. Lenormandi 



Phymatolithon polymorphum 



Clathromorphum compactum c 



Lithophyllum Crouani 



Dermatolithon macrocarpum 



Corallina officinalis 



Hildenbrandia rosea c 



Phseophyceae. 



Lithoderma fatiscens (c) 



Petroderma maculiforme 



Balfsia ovata (c) 



B. clavata (c) 



B. verrucosa (c) 



B. deusta (c) 



Myrionema vulgare 



M. Corunnse 



M. globosum (c) 



M. fseroense 



M. Laminariae (c) 



Ascocyclus islandicus 



Microsyphar Polysiphonise (c) 



Streblonema aecidioides (c) 



S. Stilophorse v. csespitosa c 



Pylaiella littoralis c 



Ectocarpus tomentosoides c 



E. tomentosus 



E. confervoides c 



E. siliculosus (c) 



E. penicillatus (c) 



E. fasciculatus 



E. Hinksise 



Leptonema fasciculatum v. subcj'lin- 



drica (c) 



Elachista fucicola c 



Sphacelaria britannica (c) 



S. radicans (c) 



S. olivacea 



Chfetopteris plumosa (c) 



Omphalophyllum ulvaceum 



E. Icel. 



N. Icel. 



NW.Icel. 



SW.Icel. 



+ 



+ 





+ 



+ 



+ 



+ 





+ 



+ 





+ 



+ 









+ 



+ 







+ 



+ 



+ 



+ 

 + 



+ 



+ 



+ 



+ 





+ 



+ 



+ 





+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 

 + 



+ 



+ 





+ 





+ 



+ 



+ 



+ 



+ 



+ 



+ 





+ 



+ 



+ 





+ 





+ 





+ 



+ 



+ 



+ 



+ 



+ 

 + 



+ 







+ 



+ 



+ 



+ 





+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 





+ 





+ 



+ 



+ 





+ 

 + 





+ 



+ 



+ 



+ 



+ 



+ 



+ 





+ 





+ 



+ 



+ 





+ 







+ 



+ 



+ 



+ 



+ 



+ 



+ 









