vol.i] Setchell— Gardner. — Algce of Northwestern America. 239 



Ectocarpus cylindricus Saunders. 



On the shell of a chiton. West coast of Whidbey Island, 

 Wash., X.L.G., No. 466! 



Determined by DeAlton Saunders. 



Streblonema minutissimum Saunders. 



r 'In the branches of Liebmannia sp." Sitka, Alaska, Saunders 

 (1901, p. 416). 



Streblonema Pacificum Saunders. 



Forming; dark brown, circular patches on the sporophylls of 

 Alaria. Yakutat Bay, Alaska, Saunders (1901, p. 417). 



Streblonema irregulare Saunders. 



Forming small brown patches on the bulbs of Nereocystis. 

 Sitka. Alaska. Saunders (1901, p. 417). 



Phycoccelis Baltica (Reinke) DeToni. 



On various alga?. Sitka, Alaska, Saunders (1901, p. 416) ; 

 west coast of Whidbey Island, Wash., N.L.G.. No. 454! 



Placed by Foslie under Myrionema. 



Family SPHACELARIACEiB . 



Sphacelaria cirrhosa (Roth) Agardh. 



Forming small light olive-green tufts on Fucus. Annette 

 Island. Alaska. Saunders (1901, p. 419). 



Sphacelaria racemosa var. arctica (Kjellman) Reinke. 



St. Lawerence Island and Port Clarence, Alaska, Kjellman 

 (1889, p. 51); Prince William Sound. Yakutat, and Wrangell, 

 Alaska. Saunders (1901, p. 419) ; west coast of Whidbey Island, 

 Wash., N.L.G., No. 245! 



Chaetopteris plumosa (Lyngbye) Kuetzing. 



Sublitoral zone. St. Lawrence Island and Port Clarence, 

 Alaska, Kjellman (1889, p. 51); Alaska, Harvey (1872, p. 463). 



Cladostephus verticillatus (Laghtfoot) Agardh. 



North Pacific Ocean, Postels and Buprecht (1840, p. 21). 



