ICONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND. 20. N:0 5. 291 



This form much i'esembles Phyeoceris racemosa Kutz. (Tab. Phyc. 6, tab. 26) in ha- 

 bit. In structiire it coincides very closely with E. coiiiplanata var. subsiiivplex ArEvSCU. 

 (Ahln. Enterom p. 29), but it lias sornewhat narrower and less regular cells with some- 

 what more abundant endochrome. 



Hahitat. A litoral alga, attached to stones, growing scattered both on exposed 

 and sheltered coasts. On the north coast of Norway it bears zoospores (garnets?) in 

 August and September. 



Geogr. Distrih. Known only from the Atlantic region of the Polar Sea. Its 

 northerninost point is Maasö about Lat. N. 71°. 



Localities: The Norivegian Polar Sed: Finmarken at Maasö and Talvik, loca 

 and scarce. 



Enteromorpha minima Näg. 



in KÖTZ. Spec. Alg. p. 482; Cfr. Ahln. Eiiterom. p. 48. 



f. (/lacialis Kjellm. 



in WiTTK. et NoKDST. Alg. exsicc. N:o 43. 

 Descr. Enteromorpha minima 1'. glacialis Kjellm. Algenv. Murm. Mecr. p. .50. 

 Exsicc. » » » » » in Wxttii. et Norbst. 1. c. 



Hahitat. This species, wherever hitherto found, formed dense, radier extensive 

 mats within the litoral zone on flat rocks that sloped tovvards the sea and were moist" 

 ened at low tide by snow- and ice-water dropping down. 



Locality: The Murman Sea: Besimannaja Bay on the west coast of Novaya 

 Zemlya. 



Enteromorpha tubulosa Kutz. 



Tab. Phyc. 6, p. 11. E. intestinalis y tubulosa Kutz. Spec. Alg. p. 478; Cfr. Ahln. Enterom. p. 49. 



f. pilifera KiJTZ. (Ahln.). 



1. c. p. 50; Enteromorpha pilifera KiJTZ. Tab. Thyc. 6, p. 11. 

 Descr. Enteromorpha tubulosa h pilifera Ahln. 1. c. 

 Fig. » pilifera KiJTZ. 1. c. t. 30. 



Locality: E mari groenlandico according to Wurmskioljj in the herbarium of the 

 Copenhagen Museum. 



Enteromorpha micrococca Kutz. 

 Tab. Phyc. 6, p. 11. 



f. typica nob. 

 Descr. Enteromorpha micrococca Ahln. Enterom. p. 46. 

 Fig. » » KtJTZ. 1. c. tab. 30. 



» » Ahln. I. c. t. 1, fig. 7. 



