IS 



right. If Hus is right in stating that the inferior portion of 

 the thalhis of the American species is distromatic, there is a 

 strange différence between the American Pacific specimens and 

 the Arctic and North Atlantic plants. 

 Gr. or.: Ikerasak. 



Conchocelis Batt. 

 35. C. rosea Batt., K. Rosenv. Deux. Mém. p. 44. 



B. Phæophyeeæ. 



Fam. Fucdceæ. 



Ascophyllum Stackh. 



36. A. nodosum iL.) Le Jol., K. Rosenv. Gri. Havalg. p. 832, 

 Deux. Mém. p. 45. 



The specimens I have had for examination were gathered 

 with ripe or almost ripe conceptacles in June, July and September. 

 According to C. Kruuse's statement the species is common 

 in sheltered places, whereas it is wanting completely in exposed 

 localities. 



Gr. or.: Kap Dan, Ikerasausak, Unartok, Tiningnekelak, Ang- 

 magsivik. 



Fucus (L.I Dene et Thur. 



37. F. vesiculosus L., K. Rosenv. Grl. Havalg. p. 833, Deux. 

 Mém. p. 45. 



The most common form from East Greenland is f. sphcero- 

 carpa which is closely connected with the other forms, f. typica 

 and f. turgida, by numerous intermediate forms as in West 

 Greenland. Specimens without bladders are not unfrequent in 

 the material, especially in the collections from the estuary in 

 Angmagsalik. 



