276 KJELLMAN, THE ALG^ OF THE ARCTIC SEA. 



mer, I have not seen any but sterile specimens. It probably bears reproductive or- 

 gans in winter here as farther to the sonth, for inst. on the coast of Sweden. 



Geogr. Distrib. It belongs only to the most southern part of the Polar Sea. At 

 certain places on the coast of Finmarken it is still plentiful. The northernmost point 

 where it has been found is Talvik in Finmarken about Lat. N. 70°. 



Localities: The Norwegian Polar Sea: Nordlanden at Bodö and on both sides of 

 Westfjord, rather common ; Finmarken at Talvik abundant. 



Bajjin Bag: the coast of Greenland according to J. G. Ag. Spec. Alg. p. 31, and 

 specimens in the herbarium of the Copenhague Museum with no special locality noted. 



Fam. ECTOCARPACE^ (Ag.) Thur. 



in Le Jol. Liste Alg. Clierb. p. 14 et 21; Ag. Syst. Alg. p. XXX; lim. mut. 



Gen. Isthmoplea Kjellm. 



Algenv. Murm. Meer. p. 30. 



Isthmoplea sphterophora (Harv.) Kjellm. 



1. c. Ectocarpus .'?phreropliorus Harv. Eng). Fl. 5, p. 326. 

 Descr. Capsicarpella sphferophora Kjellm. Skand. Ect. och Tilopt. p. 20. 

 Fig. » » " » » » » t. 1. fig. 2. 



Exsicc. » « Aresch. Alg. Scand. exsico. N:o 414. 



Syn. Capsicarpella spliferophoiM Kleen, Nordl. Alg. p. 36. 



Isthmoplea sphaerophora GoBi, Algenfl. Weiss. Meer. p. 58. 



Hahitat. Litoral, attached to other algas, as Rhodomela lycopodioides, Polysiphonia 

 fastigiata, Gigartina mamillosa, Ptilota plumosa, and Pt. elegans. In the Polar Sea 

 it does not occur any where in greater masses. Apparently it prefers exposed loca- 

 lities, neither Kleen nor myself having met with it in the interiör of deep bays. It 

 bears reproductive organs in July and August on the coast of Norway. 



Geogr. Distrib. Found in the Norwegian Polar Sea and the White Sea. It is not 

 properly an arctic alga, decreasing both in frequency and luxuriancy towards the North. 

 Its niost northern point is Gjesva3r in Finmarken about Lat. N. 71°. 



Localities: The Norivegian Polar Sea: Nordlanden common and abundant; Tromsö 

 amt at the town of Tromsö; Finmarken local and rather scarce at Maasö and Gjesvser. 



The White Sea: cp. GoBi 1. c. p. 12. 



Gen. Ectocarpus (Lyngb.) Kjellm. 

 Slcand. Ect. och Tilopt. p. 34; Lyngb. Hydr. Dan. p. 130; char. mut. 



Ectocarpus confervoides (Roth) Le Jol. 



Liste Alg. Clierb. p. 75. Ceramium confervoides Koth, Cat. Bot. 1, p. 151. 



