254 KJELLMAN, THE ALGiE OF THE ARCTIC SEA. 



Localities: The Norioegian Polar Sea: Nordlanden comrnon and abiindant; Fin- 

 marken common and pretty plentiful, as at Maasö, Gjesva^r, Öxfjord, and Talvik. 



The Greenland Sea: Local and scarce on the north and west coasts of Spitzbergen. 



The Murman Sea: the coast of Russian Lapland; the west coast of Novaya Zemlya 

 local and scarce. 



The Kära Sea: the east coast of Novaya Zemlya at Uddebay scarce. 



The Siberian Sea: at Pitlekay scarce. 



Baffin Bay: Cumberland Sound; the west coast of Greenland at Fiskernges, Ja- 

 kobshavn, and Whale Islands. Speciraens have also been brought home by Berggeen 

 from the west coast of Greenland. 



Elachista lubrica Rupr. 

 Alg. Och. p. 388. 

 Descr. Elachista lubrica Akesch. Obs. Phyc. 3, p. 18. 

 Exsicc. >' » » Alg. Scaiid. exsicc. N:o 217. 



Syn. Elachista tlaccida Dickie, Alg. Sutherl. 1, p. 141(?). 



» lubrica J. G. Ag. Gröiil. Alg. p. 110. 



» » Akesch. 1. c. 



« » GoBi, Algenfl. Weiss. Meer. p. 73. 



» » Kjellm. Vinteralgv. p. 65; Spetsb. Thall. 2, p. 31; Algenv. Murm. Meer. p. 42. 



» ') RuPR. L c. p. 389. 



Habitat. The present species agrees in habitat with the preceding one. It is 

 usually fastened to Halosaccion ramentaceum, but occiirs epiphytic also on other species, 

 as lihodomela lycopodioides, Polysvphonia arctica, Rhodymenia, 2)almata, Fiicus edentatus, 

 Desmarestia acideata, Chcetopteris plumosa. In Norway I have found it only at exposed 

 points, but at Spitzbergen it lives also in the interiör of deep bays. I have taken a 

 form glohosa in May and June at Spitzbergen. It appears to bear zoosporangia all the 

 year round. At Spitzbergen I have seen speciinens furnished with such organs in all 

 the months of the year with the exception of June and September, in which months 

 I had no opportunity of examining it. In January, March, April, and December it was 

 very plentifully provided with zoosporangia. On the coast of Norway it has been 

 collected with zoosporangia in July and August, on the west coast of Novaya Zemlya 

 in June and July. 



Geoyr. Distrib. Tlie present species has been found hitherto only in those parts of the 

 Polar Sea that are situate north of the Atlantic. It attains its maximum of frequency on 

 the north coast of Norway, but it is abundant also in the eastern part of the Greenland 

 Sea. The most northern point where it is known to occur is Musselbay on the north 

 coast of Spitzbergen Lat. N. 79° 53'. 



Localities: The Norwegian Polar Sea: Nordlanden at Röst; Finmarken, common 

 and abundant at Maasö and Gjesvojr. 



The Greenland Sea: the north and west coasts af Spitzbergen, pretty common 

 and abundant. 



