KONGL. SV. VKT. AKADP:MIEN>S HANDLING \ K. BAND. 20. NH) 5. 285 



Gen. MyriotricMa Harv. 



in HooK. Jouni. Bot. 1, p. 300. 



Myriotrichia filiformis Harv. 



Man. p. 44. 

 Beser. Myriotrichia filiformis J. G. Aö. Spec. Alg. 1, p. 14. 

 Ftg. » •> Harv. Phyc. Brit. t. 156. 



^yn. Myriotrichia filiformis Kleen, Nordl. Alg. p. 39. 



Habitat. Epiphytic on litoral algag, as Corallina officinalis, Asperococcus echinatus, 

 ^cytosiplion lomentarius, Dictyosiphon hippuroides a. o., which are sometiines completely 

 covered by it. I have met with it only on exposed coasts. It bears zoosporangia in 

 July and August on the aretic coast of Norway. 



Geogr. Distrib. It belongs to the Atlantic region of the Polar Sea. Its northern- 

 most point is Öxfjord in Finmarken about Lat. N. 70°. 



Localities: The Norwegian Polar Sea: Nordlanden at Gjesvicr; Finmarken local, 

 but rather abundant at öxfjord. 



(?) Gen. Gleothamnion Cienk. ^) 



Bericht. p. 25. 



Gleothamnion palmelloides Cienk. 

 1. c. 

 Descr. et Fig. Gleothamnion palmelloides Cienk, 1. c. p. 25 et t. 1, fig. 12 — 16, t. 2, fig. 17 — 19. 



Habitat. Cp. Cienk. 1. c. 

 Locality: The White Sea. 



Series OHLOROPHYLLOPHYCEiE (Rabenh.) Wittr. 

 Pithoph. p. 42; Rabenh. Fl. Eur. Alg. 3, p. 1 lim. mut. 



Fam. CHyETOPHORACE^ (Harv.) Wittr. 



Pl. Scand. p. 15. Chsetophoroidete Harv. Man. p. 10; ex parte. 



Gen. Chsetopliora Schrank. 



Bair. Pl. Cfr. Wittr. Gotl. och ÖL Alg. p. 25. 



Chaätophora maritima Kjellm. 

 Spetsb. Thall. 2, p. 51. 

 Descr. et Fig. Chsetophora maritima Kjellm. 1. c. et t. 5, fig. 15 — 16. 



Syn. Chsetophora maritima Kjellm. 1. c. et Algenv. Murm. Meer. p. 53. 



') By the sign of iuterrogation I have meant to denote that I am uncertain if this genus belongs to the 

 family of Ectocarpacece, 



