324 KJELLMAN, THE ALG#® OF THE ARCTIC SBA. 
Habitat. According to a label, it grows »in fossis submarinis». 
Locality: Bagin Bay: Tessarmiut on the west coast of Greenland according to 
specimens in the herbarium of the Copenhagen Museum. 
Gen. Spirulina Turp. 
Sec. Tour. Nostoch. p. 7. 
Spirulina Tenuissima Kotvrz. 
Phyc. gener. p. 183. 
Deser. Spirulina tenuissima Fart. New. Engl. Alg. p. 31. 
Fig. » » Harv. Phye. Brit. t. 105, C. 
Habitat. The specimens that I have had the opportunity to examine, have grown 
in company with the preceding alga in cavities with brackish water among mouldering 
alge. 
Locality: Bafin Bay: Tessarmiut on the west coast of Greenland, according to 
specimens taken by Wormskiold. 
Uncertain Species. 
Halosaccion dumontioides Dickin, Alg. Cumberl. p. 239. 
Ceramium tenuissimum J. G. AG. Spetsb. Alg. Bidr. p. 11. 
Ectocarpus Durkeei (?) Dioxin. Alg. Sutherl. I, p. 142. 
Cladophora Inglefieldi » » » 1, p. 143. 
Conferva «rea » » » oy [Doe ls) 
Gleocapsa spec. CrENK. Bericht. p. 22, 
OO 
