401 



Bordo: Haraldsund (!) ; Str.: Sundene between Thorsvig and Kval- 

 vig (!); Syd.: Lobra (!). 



75. L. læve (Stromf.) Fosl. 



Grows in deep water both in sheltered and exposed piaces. 



According to Mr. Foslie it hore sporangia in June and July. 



Bordo: Haraldsund !..; Str.: Arge (!); Syd.: Trangisvaagfjord !), 

 Lobra (!). 



76. L. Lenormandi (Aresch.) Fosl. 



Bore sporangia and carpospores in June. 

 Str.: Hojvig ! . 

 f. sub læ nis Fosl. 

 Syd.: Lobra ! . 



LITHOPHYLLUM Phil. 



77. L. incrustans Phil. 



Found between tide-marks growing on Lithothamnion polymor- 



phuin which occurred araongst Corallina. 



According to Mr. Foslie it bore sporangia in July. 



Vid.: Viderejde (H. J.), specimens sterile, hence thc determination 

 is not quite certain; Syd.: Kvalbo (!). 



78. L. Crouani Fosl. 



Found growing on the haptera and stems of Laminaria hyper- 

 boTea associated with Dermatolithon macrocarpum f. Laminariæ. 

 Bore sporangia in June. 

 Ost.: Gjov ! : Syd.: Lobra (!). 



DERMATOLITHON Fosl. 



79. D. macrocarpum (Ros.) Fosl. 

 f. færoensis Fosl. 



f. Laminariæ (Crn.) Fosl. 



Formå færoensis was found both in the littoral and suhlittoral 

 zone epiphytic on several algæ, e. g. Gigartina, Fnrcellaria , Odon- 

 thalia, Fnens; formå Laminaria' occurs in the suhlittoral zone on 

 the stems of Laminaria. 



Bore tetraspores and cystocarps in May, June, July, November 



and December. 



Both forms, bul especially f. færoensis, are very comraon along the 

 Færoese coasts. 



