162 -•*• Fosli • 



Exsicc. Calothrix scopulorum Aresch. Alg. Scand. exsicc. Nr. 235. 



„ „ Wittr. et Nordst. Alg. exsiec. Nr. 484 et 



852. 

 Mastigonema velutinum Wolle in Wittr. et Nordst. 1. c. Nr. 388. 

 Syn. Oscillaria scopulorum Lyngb. Hydr. Dan. p. 93. 



Calothrix „ Aresch. Phyc. Scand. p. 438; ex parte. 



Litoral, occurring on rocks and stones at high-water 

 mark, often spreading widely over the rocks in great mas- 

 ses, mostly on open coast together with other smaller algse. 

 Once I met with it in the lower part of the zone, at Bugo- 

 nees in Sydvaranger. 



Distribution: Common and abundant in most places 

 especially along the open part ot the coast, for inst. Svser- 

 holt, Vardo, Bugonses, Kjelmo and Pasvig. 



Calothrix parasitica (Chauv.) Thur. 



Nostoch. p. 381; Rivularia parasitica Chauv. Eech. p. 41. 

 Deser. Calothrix parasitica Born, et Flah. Rev. Nost. 1, p. 357. 

 Fig. „ n Born. etThur. Not. Alg. 2, t. 27, fig. 7—10. 



Exsicc. n n Wittr. et Nordst. Alg. exsiec. Nr. 854. 



Schizosiphon parasiticum Le Jol. Alg. mar. Cherb. Nr. 237. 



This species appears scattered in the layer of Hypheo- 

 thrix litoralis, the latter together with Calothrix scopulorum 

 and other algse, on exposed rocks at high-water mark. 



Distribution: Only found at Kjelmo in Sydvaranger, 

 seems to be rare. 



Calothrix vivipara Harv. 

 Ner. Bor. Am. 3, p. 106. 

 Descr. Calothrix vivipara Born, et Flah. Rev. Nost. 1, p. 362. 



The species lives on rocks or in shallow rock-pools at 

 high-water mark, on exposed places. 



Distribution: Only found on a small island in the 

 neighbourhood of Kjelmo in Sydvaranger, local but pretty 

 plentiful . 



