224 University of California Publications. [botany 



of the same section of the genus, but the specimen distributed is 

 not further determinable. 



Cladophora flexuosa (Griffiths) Harvey. 



Annette Island, Alaska, Saunders (1901, p. 414). 



Cladophora Mertensii (Ruprecht) DeToni. 



St. Paul Island, Alaska, Setchell (1889, p. 590?); Sitka, 

 Alaska, Ruprecht (1851, p. 403, under Conferva Mertensii). 



Cladophora viminea (Ruprecht) DeToni. 



Unalaska and Sitka, Alaska, Ruprecht (1851, p. 403, under 



Conferva viminea) . 



Cladophora glaucescens (Griffiths.) Harvey. 



Nanaimo, Vancouver Island, B. C, Harvey (1862, p. 196). 



Cladophora lsetevirens (Dillwyn) Kuetzing. 



"Fuca Strait," Vancouver Island, B. C, Harvey (1862, p. 177) . 



Cladophora Chamissonis (Ruprecht) DeToni. 



''Parasitic" on the walls of Halosaeeiou or Rhodymenia, 

 Unalaska, Alaska. Ruprecht (1851, p. 403); floating, San Juan 

 Island. Wash., X.L.G., No. 232!, and in Collins, Holdcn and 

 Setchell, P. B.-A., No. 920! 



Determined by Mr. Collins, who notes that the specimens of 

 Gardner are so like the Ruprecht specimen in Herb. Farlow, 

 that it should be noted separately from G. saxatilis which it 

 resembles very closely. 



Cladophora arcta (Dillwyn) Kuetzing. 



On rocks and Fueus, middle and lower litoral zones. West 

 shore of Amaknak Island, Bay of Unalaska, Alaska, W.A.8. 

 and A.A.L., No. 3288!; Sand Point, Popof Island, Alaska, 

 Saunders (1901, p. 414); Cormorant Rocks, Uyak Bay, Kadiak 

 Island, Alaska, W.A.S. and A.A.L., No. 5133!; St. Paul, 

 Kadiak Island, Alaska, W.A.8. and A.A.L., No. 5140!; 

 Orca, Alaska, VT.^l.tf. and A.A.L., No. 5181!; Ocean Cape, 

 Yakutat Bay, Alaska, Saunders (1901, p. 414); Glacier Bay, 

 Alaska, Saunders (1901, p. 414); Esquimalt, B. C. and Orcas 

 Island, Wash.. Harvey (1862, p. 176). 



