- 155 — 



Mr. Foslie thinks that D. macrocarpum and D. Laminariæ probably 

 are identical. 



SW. I cel. Reykjavik. 



S.I c el. Eyrarbakki, Vestmannaeyjar. 



Corallina officinalis L., Strömf., Algveg. p. 18. 



In the lower litoral zone in rock-pools and in the sublitoral region to 

 a depth of c. 10 fathoms. With antheridia in June— July and tetraspor- 

 angia in August. 



N. Icel. Hjeöinshöföi (O. D.) ; Eyjafjöröur. 



NW. Icel. Lâtravi'k, Adalvi'k (Ldbk.); Isafjöröur, Arnarfjöröur. 



S W. Icel. Common. 



S. Icel. Eyrarbakki, Vestmannaeyjar. 



Ilildenbrandia rosea Kütz. ; Hildenbrandtia r. Strömf., Algveg. p. 24. 



It grows abundantly and gregariously in the litoral region as under- 

 vegetation in the Fucus-zone; and occurs also in the sublitoral region to 

 a depth of 2 fathoms. With tetraspores in May — Sept. 



Probably common round Iceland. 



E. Icel. Reyöarfjöröur, Seyöisfjöröur. 



N. Icel. Grïmsey (0. D.) ; Eyjafjöröur. 



NW. Icel. Hrütafjöröur ; Dyrafjöröur (CO.). 



S W. Icel. Common. 



S. Icel. Vestmannaeyjar. 



