It grows on Chœtopteris plumosa and Sphacelaria racemosa 

 and was collected, sterile in August and September. 



Gr. occ: Ivigtut (L. K. R.) on Sphacelaria racemosa and Poly- 

 siphonia urceolata. 



Gr. or.: Smalsund, Kangerdlugsuatsiak. 



Ulyella Crouan. 



91. r. conlliiens K. Rosenv. Grl. Havalg. p. 924, Deux. Mém. 

 p. 109. 



This species occurs on the stipe of Laminaria saccharina 

 and on the frond of Rhodymenia palmata amongst other epi- 

 phytes. The plants on the Laminaria stipe were sterile and 

 fully resembled the description of the older plants (K. Rosenv. 

 Grl. Havalg. 1. c. flg. 39 B) , while the plants on Rhodymenia 

 were fructiferous and agreed with the description of the younger 

 plants. It was collected in July with sporangia as far down as 

 to 5 fathoms. 



G r. or.: Tiningnekelak, Turner Sund. 



92. I', fucicola K. Rosenv. Grl. Havalg. p. 926, Deux. Mém. 

 p. 109. 



It was collected sterile in June growing on Fucus inflatus 

 and Fucus vesicidosus. 

 Gr. or. : Kap Dan. 



Chætobolus K. Rosenv. 



93. €h. gibbus K. Rosenv. Grl. Havalg. p. 928, Deux. Mém. 

 p. 110. 



Fully typical specimens (K. Rosenv. Grl. Havalg. I.e. fig. 41) 

 were collected in July growing in Sorapion Kjellmani on Chœ- 

 tomorpha Melagonium. 



Gr. or.: Tiningnekelak. 



Fain. Chœtophorcweœ. 



Arthrochæte K. Rosenv. 



94. A. penetrans K. Rosenv. Deux. Mém. p. 1 10. 



