Contribution. I. 1(31 



The species occurs on rocks mostly at high-water mark 

 in company with Calothrix and other smaller algse. It ap- 

 pears in exposed as well as sheltered places. 



Distribution: Found at Svserholt, Vardo (Horno) and 

 at Bugonses in Sydvaranger, local and rather scarce. (It has 

 also been found at Tromso, Byoen and Vikran in Tromso 

 amt). 



Subfam. II. Mastichotriehese Kiitz. 

 Phyc. gener. p. 231. 



Gen. Calothrix (Ag.) Thur. 

 Nostoch. p. 5; Ag. Syst. Alg. p. XXIV; cbar. mut. 



Calothrix confervicola (Roth.) Ag. 

 Syst. Alg. p. 70; Conferva confervicola Roth, Cat, Bot. 3, p. 192. 

 Descr. Calothrix confervicola Born, et Flah. Rev. Nost. 1, p. 349. 

 Fig. „ n Born, et Thur. Not. Alg. 1, t. 3. 



„ Harv. Phyc. Brit. t. 254. 



Exsicc. ,, » Wyatt, Alg. Damn. Nr. 229. 



„ „ Aresch. Alg. Scand. exsicc. Ser. 1, Nr. 49. 



Leibleinia confervicola Aresch. Alg. Scand. exsicc. Nr. 192. 

 Syn. Oscillaria confervicola Lyngb. Hydr. Dan. p. 94. 

 „ zostericola Lyngb. 1. c. 

 Leibleinia zostericola Aresch. Phyc. Scand. p. 439. 

 „ confervicola Aresch. 1. c. p. 440. 



This species has been found epiphytic on PMoeospora 

 tortilis and Ectocarpus, in sheltered localities. 



Distribution: Found at Kirkenses and Bugonses in Syd- 

 varanger, rare. 



Calothrix scopulorum (Web. et Mohr) Ag. 



Syst. Alg. p. 70; Conferva scopulorum "Web. et Mohr, Reise p. 195. 

 Descr. Calothrix scopulorum Born, et Flah. Rev. Nost. 1, p. 353. 

 Fig. „ „ Born, et Thur. Not. Alg. 2, t. 38. 



„ „ Harv. Phyc. Brit. t. 58. B. 



