228 KJELLMAN, THE ALG OF THE ARCTIC SEA. 
February. During the latter part of the winter the sorus is formed of paraphyses and 
void or ubnormously developed zoosporangia. In summer I have found only sterile 
specimens both on the coasts of Spitzbergen and on the west coast of Novaya Zemlya. 
I have collected individuals with young zoosporangia at the end of August in the Kara 
Sea and in the middle of September in the Siberian Sea. 
Geogr. Distrib. The present species is probably circumpolar in the Arctic Sea 
proper. However, it is not known as yet from the American Arctic Sea. I have found 
it in the greatest abundancy on the north-west coast of Spitzbergen. Here it attains 
a high degree of luxuriancy. In the southern part of the Siberian Sea it is small 
of size. The most northern point where it has been found is Musselbay on the north 
coast of Spitzbergen Lat. 79° 53’. 
Localities: The Greenland Sea: the north and west coasts of Spitzbergen, local, 
but rather abundant. 
The Murman Sea: the west coast of Novaya Zemlya from Matotshin Shar to 
Karmakulbay, local and rather scarce. 
The Kara Sea: Uddebay and Actinia Bay, at both places scarce. 
The Siberian Sea: Irkaypi and Koljutshin Isle, pretty plentiful. 
Bafjin Bay: the west coast of Greenland: Jakobshavu and Rittenbenk, scarce. 
Laminaria cuneifolia J. G. Ag. 
Lam. p. 10. 
Descr. Waminaria cuneifolia J. G. Ac. 1. c. et Grénl. Lam. och Fue. p. 14. 
Syn. Laminaria caperata Dickir, Alg. Nares, p. 6 (?). 
» cuneifolia J. G. Ac. Gronl. Alg. p. 110. 
» » Gost, Algenfl. Weiss. Meer. p. 75 (?). 
» saccharina (?) Asum. Alg. Hayes, p. 96 (2). 
» » Croat, Fl. Disc. p. 457 @). Cfr. J. G. Ac. Gronl. Lam. och Fue. p. 14. 
» » Dick, Alg. Sutherl. 1, p. 140.(?) Alg. Cumberl. p. 237.) Cfr. J. G. Ag. 1. e. 
Remark on the species. In the eastern part of the Siberian Sea I found a Lam- 
naria abundant which I think belongs to L. cuneifolia J. G. Ac. In the shape, colour, 
consistency, and anatomical structure of the lamina and in the shape and position of 
the sorus it accords with specimens from Greenland determined by J. G. AGarpu. It 
differs from them, it seems, by smaller size and somewhat longer stipe. The length 
of the stipe varies between 4 and 15 cm., in most cases not exceeding 10 cm. In 
almost all the Siberian specimens that I succeeded in collecting, the lamina was in 
course of being exchanged, so that I am not clear as to what size it attains in the 
Siberian Sea. Judging from remaining fragments of the old lamina and those few 
specimens with developed lamina that I have seen, it does not become so large here 
as on the coasts of Greenland. When the new lamina has made some progress in 
growth, the plant with regard to this part bears a delusive resemblance to L. solidun- 
gula. From other species of Laminaria the present species appears to be well diffe- 
rentiated. It is distinguished from the common arctic L. Agardhi by possessing lacune 
av 
