KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND. 20. N:0 5. 147 



The Kava Sea: in Uddebay on the east coast of" Novaya Zeinlya, abundant. 

 The American Arctic Sea: according to Harv. Ner. Am. 1. c. 



Bafjin Bay: Cumberland Sound; the west coast of Greenland at Godtliaab, Hol- 

 stenborg, Hunde Islands, Jakobshavn and Disco Island (?). 



Of the two forms the niore cominon one is f. angusta, as far as my observations go. 



Gen. Plocamium (Lamour.) Lyngb. 



Hydr. Dan. p. 39; Lamour. Ess. p. 137; lim, mut. 



Plocainiuu) coccineum (Huds.) Lyngb. 

 1. c. Flious cocciueus Huds. Fl. Angl. p. 586. 



f. typica. 



Desor. Plocamium coccineum J. G. Ag. Epior. p. 339. 



Fig. " >> Hakv. Phyc. Brit. t. 44, fig-. 1—8. 



Exnicc. » » Aresch. Alg. Scand. exsicc. N:o 203. 



f. uncinata Ag. 



Delesseria Plocamium d uncinata Ag. Spec. Alg. 1, p. 181. 

 Desor. Plocamium coccineum var. uucinatum J. G. Ag. Epicr. p. 339. 

 Fig. » » (i uncinata Harv. Phyc. Brit, t. 44, fig. 9. 



Spi. Plocamium coccineum Kleen, Nordl. Alg. p. 17. 



Hahitat. According to Kleen it grows on deep stoiiy 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. Höst. Both the typical form and f. uncinata are to be found in 

 Kleen's collections. 



Gen. Rhodymenia (Grev.) J. G. Ag. 



Alg. Liebm. p. 15; Grev. Alg. Brit. p. 84; cliar. mut. 



Rh o dy me ni a palmata (L.) Grev. 



1. c. p. 93. B^ucus palmatus L. Spec. Pl. 2, p. 1162. 



f. typica. 



a. nuda nob. 

 f. fronde a stipite cuneatim dilatata, dichotoma, subpalmata, raargine nudo. 

 Descr. Fucus palmatus Tum. Hist. Fuc. 2, p. 114. 

 Fig. » » » » » t. 115, fig. a. 



