19 



The species was gathered in May — September. Specimens 

 frathered in May— Juli had young receptacles, whereas the plants 

 from August — September had fully developed receptacles. 



G r. or. : Kap Dan, Tasiusak, Unartok, Ikerasausak, Tiningnekelak, 

 Ikatek. 



38. F. inflatus L., K. Rosenv. Grl. Havalg. p. 834 , Deux. 

 Mém. p. 45. 



Fig. 1. Fucus inflatus L. f. membranacea K. Rosenv. 

 The specimens from Kap Dalton (comp, the te.xt) photographed in dry state. 



This very multiform species is varying much, as might be 

 expected, in East Greenland as in its other areas of distribution. 

 Typical specimens (comp. Jonsson Icel. Alg. p. 187) are how- 

 ever rare in this collection, yet at Tasiusak and Angmagsivik 

 broad typical specimens have been collected, richly supplied with 

 bladders. Not one of the specimens I have had for examina- 

 tion has receptacles by far as long as those of the Icelandic 

 (Jonsson 1. CI and the Faeröese specimens (comp. Borgesen Fær, 

 Alg. p. 465, fig. 91). As for the rest the East Greenlandic 

 specimens are considerably varying and form on one hand the 



3* 



