136 KJELLMAN, THE ALG OF THE ARCTIC SEA. 
visible to the naked eye. Thus there can hardly be drawn any limit, I think, between 
these two plants, as far as they are known at present. With regard to D. alata ? angusti- 
folia Lyncn., I am quite aware of the difficulty of determining, by means of a few dried 
specimens, to which species such a reduced form as this should be referred. It seems 
more probable, however, that it should belong to D. denticulata than to D. alata, be-— 
cause, as has been correctly stated already by Lyncpyg, it has dentate upper axes and 
spreading, linear branches, which are not at all or very little cut out obliquely at the base. 
In order to distinguish the present species, D. denticulata Mont., from D. denti- 
culata Harvey I have changed the name of denticulata for that of Montagnei. 
Habitat. On this point I know but little. According to what is stated on the 
labels affixed to part of the specimens I have examined, this species grows within the 
sublitoral zone, attached to Laminariacee. Several individuals bear reproductive organs, 
but I do not know at what season these individuals were collected. 
Geogr. Distrib. It belongs to Baffin Bay, where it seems to be rather common. The 
northernmost place where it has been ascertained to grow, is Godhavn 69° 15' Lat. N. 
Localities: Baffin Bay: on the west coast of Greenland, for instance at Tessarmiut 
Bay, Godthaab, and Godhavn. 
Delesseria sinuosa (Goon. et Woopw.) Lamour. 
Hss. p. 124. Fucus sinuosus Goop. et Woopw. Linn. Trans. 3, p. 111. 
f. typica. 
Descr. Delesseria sinuosa J. G, AG. Spec. Alg. 2, p. 691. 
Fig. » » Harv. Phye. Brit. t. 259. 
f. quercifolia TurRN. 
Hist. Fuc. I, p. 74. 
Descr. Fucus sinuosus y quercifolius Turn. |. e. 
Evsicc. Delesseria sinuosa Arrscu. Alg. Seand. exsice. N:o 74. 
f. lingulata AG. 
Spec. Alg. 1, p. 175. 
Descr. Delesseria sinuosa y lingulata Aa. 1. c. 
Fig. Phycodrys sinuosa Kirz., Tab. Phyc. 16, t. 20, fig. e—f. 
Syn. Delesseria sinuosa Arescn. Phye. Scand. p. 291. 
» » var. J. G. Aa. Spetsb. Alg. Progr. p. 3; Bidr. p. 11. 
» » Dickts, Alg. Sutherl. 1, p. 142. 
» » Raton, List, p. 44. 
» » Gost, Algenfl. Weiss. Meer. p. 30. 
» » KseLim. Vinteralg. p. 64; Spetsb. Thall. 1, p. 10; Algenv. Murm. Meer, p. 12, 
Kariska hafvets algv. p. 20. 
» » KLEEN, Nord]. Alg. p. 14. 
» » Nyl. et Sel. Herb. Fenn. p. 74. 
» » Post. et Rupr. Ill. Alg. p. IT. 
» » Scnrenk, Ural. Reise 2, p. 547. 
» » Wirrr. in Heugl. Reise 3, p, 284. 
