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FaiD. Dictyosiphonaceæ. 

 Dictyosiphon Grev. 



54. D. foenicuiaceus (Huds.) Grev., K. Rosenv. Grl. Havalg. 

 p. 859, Deux. Mém. p. 60. 



The specimens are up to 50 cm. long; Ihey were collected 

 in July and August; with sporangia in August. In the upper 

 sublittoral region. 



Gr. or,: Tiningnekelak, Kangerdlugsuatsiak. 



Coilodesme Stromf. 



55. C. bulligera Stromf., K. Rosenv. Grl. Havalg. p. 862, 

 Deux. Mém. p. 61. 



Fam. Punctariaceæ. 



Phyllitis Kiitz. 



56. Ph. fascia (0. F. Müll.) KiUz., K. Rosenv. Grl. Havalg. 

 p. 862. 



The species was gathered in a single place. The specimens 

 are 15 cm. long and 2 — 3 cm. broad; one specimen even reaches 

 a breadth of 7 cm. The margin is often slightly undulate. 



Gathered sterile in May, in a depth of 5—19 fathoms. 



G r. or. : Tasiusak. 



Delamarea Har. 



57. D. attenuata (Kjellm.) K. Rosenv. Grl. Havalg. p. 865, 

 Deux. Mém. p. 63. 



Scytosiphon (Ag.). 



58. S. lomentarius (Lyngb.) J. Ag., K. Rosenv. Grl. Havalg. 

 p. 863, Deux. Mém. p. 62. 



var. typica K. Rosenv. Grl. Havalg. 1. c. 



Some typical specimens 10 cm. long and 0,5 — 1 mm. broad 

 were gathered with young sporangia in June. Some of the 

 fructiferous plants were destitute of paraphyses (comp. K. Rosenv. 

 Deux. Mém. 1. c). 



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