Contribution. I. $9 



Litoral, growing in rock-pools in the lower part of the 

 zone. I have only found a solitary and dwarfed specimen, 

 bearing young zoosporangia in the beginning of July. 



Distribution: Only found at Berlevaag, a single speci- 

 men. 



Fara. Ralfsiaceae Farl. 



New. Engl. Alg. p. 86. 



Gen. Ralfsia Berk. 

 Engl. Bot. Suppl. t. 2866 



Ralfsia deusta (Ag.) J. G. Ag. 



Ralfsia (?) deusta J. G. Ag. Spec. Alg. 1. p. 63; Zonaria deusta Ag. 

 Syn. Alg. p. 40. 

 Descr.. Ralfsia (?) deusta J. G. Ag. 1. c. 



„ „ Farl. New. Engl. Alg. p. 87. 



Fig. Fucus fungularis Fl. Dan. t. 420. 



Ralfsia deusta Rke Ostseefi. p. 48, fig. c, 



Syn. Ralfsia deusta Aresch Phyc. Scand. p. 361. 



According to Areschoug, this species has been found 

 at Yardo. 



Fam. Chordariaceae (Ag.) Rke. 



Ostseefi. p. 39; Ag. Syst. Alg. p. XXXVI; lim. mut. 



Gen. Chordaria (Ag.) J. G. Ag. 

 Alg. Syst. 2, p. 62; Ag. Syn. Alg. p. XII; lim. mut. 



Chordaria flagelliformis (Mull.) Ag. 



1. c. Fucus flagelliformis Mull. Fl. Dan. t. 650. 

 Descr. Chordaria flagelliformis J. G. Ag. Spec. Alg. 1, p. 66; excl. var. 

 Fig. 9 „ Harv. Phyc. Brit. t. 111. 



m „ Xutz. Tab. Phyc. 8, t. 11. 



Jfywice, „ - Aresch. Alg. Scand, exsicc, No, 97» 



