202 KJELLMAN, THE ALG@ OF THE ARCTIC SEA. 
Fucus spiralis L. 
Spec. Plant. 2, p. 1159, sec. Arescu. Fuc. et Pycnoph. p. 106. 
Descr. Fucus Sherardi «@ spiralis Argsca. 1. ec. 
Fig. » spiralis F]. Dan. t. 286; non bona. 
Exsicc. »  platycarpus Arescu. Alg. Seand. exsice. N:o 54. 
f. borealis nob. 
f. parvula, vix ultra 15 cm. alta, vulgo minor; segmentis plurimis ad costas reductis, supremis abbreviatis, 
plus minus crispis vel spiraliter tortis. 
Syn. Fucus Sherardi Kinen, Nordl. Alg. p. 29. 
» spiralis Gunn. F]. Norv. 2, p. 64. 
» vesiculosus y spiralis We. Fl. Lapp. p. 490. 
Habitat. In the Polar Sea this species, wherever it has been met with hitherto, 
always occurs in the litoral zone, usually at its upper margin, occupying a narrow 
border below Pelvetia canaliculata. It is certainly gregarious, like several other species 
of Fucus, but never occurs, at least not on the north coast of Norway, in so great 
numbers as some of these. I never found it but on exposed coasts. During the sum- 
mer, even to the month of October, it bears receptacles in the Norwegian Polar Sea. 
Geogr. Distrib. It is known only from the Atlantic region of the Polar Sea, 
attaining its maximum of frequency in its southern part. The most northern place 
where it has been found is Gjesver in Finmarken about Lat. N. 71°. 
Localities: The Norwegian Polar Sea: Nordlanden, common; Tromsé amt, pretty 
abundant at several places in the neighbourhood of Tromsé; Finmarken: Gjesver and 
the south coast of Mageré, more local and scarce. 
Fucus evanescens AG. 
Spec. Alg. 1, p. 92. 
f. pergrandis K3ELuM. 
Descr. Fucus evanescens f. pergrandis KseLum. Spetsb. Thall. 2, p. 3 
Syn. Fueus evanescens, grandifrons J. G. Ac. Gronl. Alg. p. 110; sec. spec. 
f. typica KJELLM. 
Descr. Fucus evanescens f. typica KyeLim. |. ec. p. 3—4. 
» » J. G. Aa. Spetsb. Alg. Till. p. 40—41. 
Syn. Fucus evanescens normalis J. G. Ac. Groénl. Alg. p. 110; see. spec. 
f. angusta KoJELLM. 
Descr. Fucus evanescens f. angusta KseLim. Algenv. Murm. Meer. p. 27. 
Syn. Fucus evanescens f. clongata, angusta et f. minor, angusta J. G. Aa. Grénl. Alg. p. 110. 
f. nana KsJELLM. 
Descr. Fucus evanescens f. nana Ksniim. Spetsb. Thall. 2, p. 4. 
f. bursigera J. G. Ac. (KaeiL.) 
Spetsb. Thall. 2, p. 4. Fucus bursigerus J. G. AG. Spetsb. Alg. Till. p. 41. 
Descr. ct Fig. Fucus bursigerus J. G. Aa. |. c. et t. 3. 
