KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND. 20. N:0 5. 289 



especially E. compressa. Its maximum of frequency is certainly in the Norwegian Polar 

 Sea. The most northerly place where it is as yet known to live is Gjesvffir about 

 Lat. N. 71°. 



Localities: The Norvjegian Polar Sea: Nordlanden coramon and abundant; Tromsö 

 ärat comraon and abundant, occurring here as at Nordlanden in all the three above- 

 mentioned forms; Finmarken common and abundant at Maasö (f. genuina and f. atte- 

 nuata), öxfjord (f. attetiuata), Talvik (f. attenuata). 



Baffin Bay: Cumberland Sound according to Dickie, the west coast of Greenlaiid 

 at Frideriksdal, Tessarmiut and Nanortalik. It is said by Dickie to have been taken 

 at Hunde Islands and Cape Bowen. 



Enteromorpha compressa (L.) Link. 



Epist. p. .^). Ulva conipvessa L. Spec. Pl. p. 116.3; olinr. eraend. Cfr. Ahln. Enterora. p, .31. 



f. tyfica. 



Descr. Entevomorphii compressa Ahln. Enterora. p. .31. 



Fig. >' » KiJTz. Tab. Phyc. 6, t. 38. 



Exsiec. » » HoHENACK. Alg. Mar. N:o 259. 



f. cafillacea Kutz. 



■Enteroruorpha compressa /? capillacea Kutz. Spec. Alg. p. 480. 

 Descr. Enteromorpha compressa h capillacea Ahln. 1. c. p. 32. 

 Exsicc. » intestinalis a capillacea Hohenack. 1. c. N:o 258. 



f. racemosa, Ahln. 

 1. c. p. 33. 



«. Ahlnerii nob. 

 Descr. Enteromorpha compressa c racemosa Ahln. 1. c. 

 E.rsicc. » ramulosa Aresch. Alg. Scand. exsicc. N:o 226. 



fi. ahbreviata nob. 



f. frondis axi primario vix unciali, ramis confertis. 



/. elongata nob. 



f. frondis axi primario pedali et ultra, capillaceo, ramis distantibns. 



f. prolifera Ag. 



Ulva compressa /? prolifera Ag. Spec. Alg. 1, p. 421. 

 Descr. Enteromorpha compressa d prolifera Ahlx. 1. c. p. 35. 

 Fig. >i percnrsa Harv. Phyc. Brit. t. 352. 



Exsicc. » complanata var. crinitn Rabenh. Alg. Eur. N:o 911. 



Syn. Enteromorpha olathrata J. G, Ag. Grönl. Alg. p. 110; sec. spec. 

 » compressa Asum. Alg. Hayes, p. 96. 



» » Croall, El. Disc. p. 461. 



» » Dickie, Alg. Cnmberl. p. 239; Alg. Walker, p. 86; Alg. Sutherl. 2, p. 193. 



» " Kleen, Nordl. Alg. p. 40. 



» 1) Post. et Rupr. 111. Alg. p. II; saltem ex parte. 



K. Vet. Aiad. HaucU. Bd. 20. N:o u. 



37 



