240 KJELLMAN, THE ALG OF THE ARCTIC SEA. 
localities of the coast where there is a strong current. It is not found in the interior 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 large boulders. The season when it bears 
reproductive organs in the Polar Sea is not known. 
Geogr. Distrib. 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. typica is more common; f. longi- 
folia has been found only washed ashore at Berlevaag in East Finmarken. Besides ep. 
Fosuig 1. ec. 
Laminaria digitata (L.) Lamour. 
Ess. p. 42. Fucus digitatus L. Mant. p. 134. 
f. genuina Le Jou. 
Laminaria flexicaulis @ genuina Le Jou. Exam. p. 580. 
Descr. Laminaria flexicaulis f. genuina Fosiie, Digitata-Lam. p. 20; excl. syn. 
f. valida Fosuir. 
Deesr. Waminaria flexicaulis f. valida Fostrn, |. e. 
>] 
f. latilaciniata Fosuig. 
Deser. Waminaria flexicaulis f. latilaciniata Fosiim, |. c. 
f. ensifolia Le Jou. 
Laminaria flexicaulis 0. ensifolia Ln Jou. 1. c¢. 
Descr. Laminaria flexicaulis f. ensifolia Fosnie, |. ¢, p. 22. 
f. cucullata Le Jou. 
Laminaria flexicaulis y cucullata Le Jou. 1. ec. 
Descr, Laminaria cucullata f. typica Fosiin, |. ec. p. 24, 
f. ovata Le Jou. 
Descr. Waminaria flexicaulis @ ovata Lu Jou. 1. e. 
Eesice. Laminaria digitata b. Argscn. Alg. Seand. exsice. N:o 167. 
f. complanata Korii. 
Kariska hafvets algv. p. 26. 
Deser. et Fig. Laminaria digitata f. complanata Ksnuum. |. e. et t. 1 et Algenv. Murm. Meer. p. 38. 
Syn. Fucus digitatus We. Fl. Lapp. p. 492; ex parte. 
Laminaria cucullata Fosiin, Digitata-Lam. p. 24. 
» digitata ArgscH. Phye. Scand. p. 344. 
» » J. G. Aq. Spetsb. Alg. Progr. p. 2; Bidr. p. 11; Till. p. 28. 
» » Dickre, Alg. Sutherl. 1, p. 141. (@) 
» » Gost, Algenfl. Weiss. Meer. p. 76. 
» » Kasei. Vinteralgv. p. 64; Spetsb. Thall. 2, p. 25; Algenv. Murm. Meer. p. 
2 
38; Kariska hafvets alegv. p. 25; ubique ex parte. 
