Contribution. I. 55 



At East-Finmarken I have collected specimens with spores 

 at the end of July, and it has been taken with such organs 

 at "West-Finmarken in the middle of August and in Septem- 

 ber. 



Distribution: Scattered along the whole coast, at some 

 places pretty common. 



Fam. Squamariaceae (Zanard.) Hauck 



Meeresalg. p. 13; Zanard. Synops. p. 133, sec. J. G. Ag. Spec. Alg. 2, p. 

 285; lim. mut. 



Gen. Actinococcus Kiitz. 

 Phyc. Gen. p. 177. 



Actinococcus roseus (Suhr) Kiitz. 



L c; Rivularia rosea Suhr, sec. Kutz. 1. c. 

 Descr. Actinococcus roseus J. G. Ag Spec. Alg. 2, p. 489. 

 Fig. n n Kutz. Phyc. gen. t. 45, fig. IV. 



„ Tab. Phyc. 1, t. 31. 



Sublitoral, growing epiphytic on Phyllophora Brodicei on 

 a depth of about 16 fathoms. I have only seen a couple of 

 specimens from East-Finmarken, taken in August. At "West- 

 Finmarken it has been collected in June and in September. 



Distribution: Only found at Kirkenees in Sydvaranger, 

 very rare. 



Gen. Petrocelis J. G. Ag. 

 Spec. Alg. 2, p. 489. 



Petrocelis Middendorffi (Rupr.) Kjellm. 



N. Ish. Algfl. p. 180; Cruoria Middendorffi Rupr. Alg. Oct. p. 329. 

 Descr. Cruoria Middendorffi Rupr. 1. c. sub. Cruoria pellita. 



Petrocelis „ Kjellm. 1. c. 

 Fig. Cruoria pellita Rupr. 1. c. t. 18, fig. a — b. 



I have once met with a solitary barren specimen of a. 



