128 



Tromsø Museums Aarshefter 14. 1891. 







culosus bearing typical gametangia in the upper part of the 

 frond but in the lower part like those in E. arctus, the lat- 

 ter plant perhaps more nearly related to E. siliculosus than 

 E. confervoides. Specirnens communieated to me by Hauck 

 more reminds one of the former than the latter. I have, 

 however, only seen some few living and not quite typical 

 specirnens of /. arda. This form seems to be rather scarce 

 along the coast of the northern Norway. 1 



Tromsø 12. X. 1891. 



After this was in the hands of the printer 1 got Botanisches Cen- 

 tralblatt 1891, No. 40, in which Paul Kuckuk under the titei 

 „Beitråge zur Kenntniss der Ectocarpus- Arteri der Kieler F5hrde" 

 considers Pylaiella varia a suhspecies of P. Utoralis, and he gives 

 the same range to P. compacta (divaricata). 





