316 KJELLMAN, THE ALG^ OF THE ARCTIC SEA. 



(?) Gen. Bulbocoleon Pringsh. 



Morph. Meeresalg. p. 8. 



Bulbocoleon Piliferum Pringsh. 

 1. c. 



Desci'. et Fig. Bulbocoleon piliferum 1. c. et t. 1. 



Hyn. Bulbocoleon piliferum Cienk. Bericlit. p. 24. 



Hahitat. It lives endophytic in other alg£e. I have found it in Dumontia jilifor- 

 mis and Myrionema strangiilans. I have seen only sterile individuals. 



Geogr. Distrib. Found within the Polar Sea at Nordlanden on the coast of Nor- 

 vvay and in the White Sea. I cannot state any exact localities. 



Fani. DERBESIACEJE Thur. 



in Le Jol. Liste Alg. Clierb. p. 14. 



Gen. Derbesia Solier. 



Ann. d. So. p. 158. 



Derbesia Marina (Lyngb.) Solier. 



1. c. Vauclieria marina Lyngb. Hydr. Dan. p. 79. 

 Descr. et Fig. Derbesia marina Solier, 1. c. et t. 9. fig. 1 — 17. 



Hahitat. It grows in the Polar Sea in the deeper parts of the sublitoral zone, 

 in 10 — 20 fathoins, attached to Lithotharanion soriferam and corals. I have found it 

 only on an exposed coast, in small number. It bore almost ripe zoosporangia at the 

 end of August. 



Geogr. Distrib. Known only from the Norwegian Polar Sea. 



Locality : Finmarken at Gjesva^r. 



Fam. BRYOPSIDE^ Thue. 



In Le Jol. Liste Alg. Cherb. p. 14. 



Gen. Bryopsis Lamour. 



Ess. p. 281. 



Bryopsis Plumosa (Huds.) Ag. 



Spec. Alg. 1, p. 448. Ulva plumosa Huds. Fl. Angl. p. 571. 

 Descr. et Fig. Bryopsis plumosa Harv. Phyc. Brit. t. .3. 

 Eåssicc. » » Aresch. Alg. Scand. e.xsicc. N:o 422. 



