240 KJELLMAN, TIIE ALGiE OF TI-IE ARCTIC SEA. 



localities of the coast where there is a strong current. It is not tound in the interiör of 

 bays and in quiet recesses. It is most vigorously developed at such places where there 

 is a strong surge. It lives at a depth of 2 — 8 fathoms, on even, not suddenly sloping, 

 rocky bottom, or on sandy bottom with lai^ge boulders. The season when it bears 

 reproductive organs in the Pobir Sea is not known. 



Geogr. Distrih. In the Polar Sea it is only known from the north coast of Norway. 



Localities: The Norwegian Polar Sea: common and abundant at Nordlanden and 

 Finmarken on exposed coasts. Of the two forms f. typiea is more common; f. longi- 

 folia bas been found only washed ashore at Berlevaag in East Finmarken. Besides cp. 

 FOSLIE 1. c. 



Laminaria digitata (L.) Lamour. 

 Ess. p. 42. Fucus digitatus L. Mänt. p. 134. 



f. genuina Le Jol. 



Laminaria flexicaulis a genuina Le Jol. Exam. p. 580. 

 Dcscr. Laminaria flexicaulis f. genuina FosLir?, Digitata-Lam. p. 20; excl. syn. 



f. valida Foslie. 

 Decsr. Laminaria flexicaulis f. valida Poslie, 1. c. 



f. latilaciniata Foslie. 



Descr. Laminaria flexicaulis f. latilaciniata Foslie, 1. c. 



f. ensifolia Le Jol. 



Laminaria flexicaulis (). ensifolia Le Jol. 1. c. 

 Descr. Laminaria flexicaulis f. ensifolia Foslie, 1. c. p. 22. 



f. ciicullata Le Jol. 



Laminaria flexicaulis y cucullata Le Jol. 1. c. 

 Descr. Laminaria cucullata f. typiea Foslie, 1. c. p. 24. 



f. ovata Le Jol. 

 Descr. Laminaria flexicaulis (i ovata Le Jol. 1. c. 

 Exsicc. Laminaria digitata b. Aresch. Alg. Scand. exsicc. N:o 167. 



f. complanata Kjellm. 



Kariska liafvets algv. p. 26. 

 Descr. et Fig. Laminaria digitata f. complanata Kjellm. 1. c. et t. 1 et Algenv. Murm. Meer. p. 38. 



»Sy;!. Fucus digitatus Wg. Fl. Lapp. p. 492; ex parte. 



Laminaria cucullata Foslie, Digitata-Lam. p. 24. 



» digitata Arescii. Pliyc. Scand. p. 344. 



« .. J. G. Ag. Spetsb. Alg. Progr. p. 2; Bidr. p. 11; Till. p. 28. 



« » DiCKiE, Alg. Sutherl. 1, p. 141. (?) 



') » GoBi, Algenfl. Weiss. Meer. p. 76. 



» » Kjellm. Vintcralgv. p. 64; Spetsb. Tliall. 2, p. 25; Algenv. Murm. Meer. p. 



38; Kariska hafvets algv. p. 25; ubique ex parte. 



