164 M. Foslie. 



ubfam. Anabsenese Bom. et Flah. 

 Rev. Nost. 4, p. 180. 



Gen. Nostoc Vauch. 

 Hist. cl. Conf. p. 203. 



Nostoc maculiforme Born, et Flah. 



xtev. Nost. 4, p. 189. 



f. norvegica Hansg. 

 in lit. 



„Faden meist 3 bis 4, junge audi 2.5 [i diok, ohne deutliche Gal" 

 lertscheiden. Veget. Zellen mit hell blaugriinem Inhalte, 1 bis 2 mal 

 seltener bios % mal so lang als breit, Heterocysten fast kugelig oder 

 elliptiscb etwa 5 p. breit; sonst wie die typiscbe Form". 



The form has been found in a sheltered lagoon at high- 

 water mark together with other algse, as Cladophora, Ecto- 

 carpus and Nodularia spumigena. 



Distribution: Only found at Bugonses in Sydvaranger, 

 local and scarce. 



Gen. Nodularia Mert. 

 in Jurg. Alg. aqu. 15, Nr. 4. 



Nodularia spumigena Mert, 

 1. c. 



f. litorea (Ktitz.) Born, et Flah. 



Rev. Nost. 4, p. 246; Spermosira litorea Kfitz. Phyc. gener. p. 213. 

 Descr. Nodularia spumigena /? litorea Born, et Flah. 1. c. 

 Fig. „ litorea Born, et Thur. Not. Alg. 2, t. 29. 



Spermosira litorea Harv. Phyc. Brit. t. 113, C. 



The above quoted form of this species was found to- 

 gether with the preceding one in a lagoon at high-water mark. 



Distribution: Found only at Bugonses in Sydvaranger, 

 local and scarce. 



