KONGL. SV. VET. AKADEMIENS HANDLINGAR. s3AND. 20. N:0 5. 147 
The Kara Sea: in Uddebay on the east coast of Novaya Zemlya, abundant. 
The American Arctic Sea: according to Harv. Ner. Am. 1. e. 
Baffin Bay: Cumberland Sound; the west coast of Greenland at Godthaab, Hol- 
stenborg, Hunde Islands, Jakobshavn and Disco Island (?). 
Of the two forms the more common one is f. anyusta, as far as ny observations go. 
Gen. Plocamium (Lamour.) Lynas. 
Hydr. Dan. p. 39; Lamour. Ess. p. 137; lim. mut. 
Plocamium coccineum (Hunps.) Lynes. 
I. c. Fucus coccineus Huns. Il. Angl. p. 586. 
f. typica. 
Descr. Plocamium coccineum J. G. AG. Epier. p- 339. 
Fig. » » Harv. Phyc. Brit. t. 44, fig. 1—8. 
Kesice. » » Argescu. Alg. Scand. exsice. N:o 205. 
f. uncinata AG. 
Delesseria Plocamium d uncinata AG. Spec. Alg. 1, p. 181. 
Descr. Plocamium coccineum var. uncinatum J. G. AG. Epicr. p. 339. 
Fig. » » @ uncinata Harv. Phye. Brit, t. 44, fig. 9. 
Syn. Plocamium coccineum Kuieen, Nordl. Alg. p. 17. 
Habitat. According to Kieren it grows on deep stony and shelly bottom, and 
bears sporocarps and tetrasporangia in July and August at Nordlanden. 
Geogr. Distrib. It is known only from the Atlantic region of the Polar Sea. 
Localities: The Norwegian Polar Sea: Nordlanden, the most northern locality of 
the plant. It is generally pretty scarce here, being reported common by KLEEN only 
from one place, viz. hést. Both the typical form and f. wneinata are to be found in 
KLEEN’s collections. 
Gen. Rhodymenia (Grev.) J. G. Ac. 
Alg. Liebm. p. 15; Grev. Alg. Brit. p. 84; char. mut. 
Rhodymenia palmata (L.) Grev. 
l. c. p. 93. Fueus palmatus L. Spec. Pl. 2, p. 1162. 
f. typica. 
e. nuda nob. 
f. fronde a stipite cuneatim dilatata, dichotoma, subpalmata, margine nudo. 
Deser. Fucus palmatus Turn. Hist. Fue. 2, p. 114. 
Pig. » » » » » Urpeliaag fig. a. 
