52 



H. JONSSON 



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



B 2 



D 



E, 



C 



G 



A 



B 2 



B, 



B, 



C 



D 



D 



D 



B-, 



B, 



B, 



B 2 



B 2 



D 



B, 



D 



B 2 



B 2 



B, 



D 



B 2 



B, 



B 2 



C 



B 2 



C 



B 2 



D 



B 2 



B, 



D 



B, 



B 2 



B 2 



B 2 



D 



C 



C 



B 2 



Percursaria percursa (c) 



Enteromorpha aureola 



E. Linza 



E. intestinalis c 



E. clathrata (c) 



Monostroma groenlandicum 



M. Grevillei c 



M. undulatum c 



M. fuscum c: 



Ulva lactuca (c) 



Prasiola poh'rrhiza (c) 



P. furfuracea (c) 



P. stipitata (c) 



Ulothrix consociata v. islandica. . . 



U. subflaccida fc) 



U. iDseudoflacca (c) 



U. flacca c 



Pseudendoclonium submarinum (c) 



Entoderma Wittrockii (c) 



Acrochaete parasitica (c) 



A. repens 



Bolbocoleon piliferum (c) 



Ulvella fucicola (c) 



Pringsheimia scutata (c) 



Ochlocha?te ferox (c) 



Urospora mirabilis c 



U. Hartzii (c) 



U. Wormskioldii c 



Cha?tomorpha tortuosa (c) 



C. Melagonium c 



Bhizoclonium riparium (c) 



Spongomorpha vernalis (c) 



Acrosiphonia albescens c 



A. incurva c 



A. hystrix (c) 



A. flabelliformis 



A. penicilliformis 



Cladophora rupestris 



C. hirta (c) 



C. sericea (c) 



C. glaucescens (c) 



C. gracilis (c) 



Gomontia polyrrhiza (c) 



Ostreobium Queketti (c) 



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