358 University of California Publications. [botany 



Lithothamnion glaciale Kjellman. 



In the upper elitoral and lower sublitoral zones. Shumagin 

 Islands, Kukak Bay, and Prince William Sound, Alaska. 

 Saunders (1901, p. 442). 



Lithothamnion glaciale f. Foslie. 



West coast of Whidbey Island, Wash., N.L.O., No. 134! 



Lithothamnion Sonderi f. Pacifica Foslie. 



On rocks, upper sublitoral zone. Channel Rocks, near Seattle, 

 Wash., N.L.G., No. 654! 



Lithothamnion phymatodeum Foslie. 



West coast of Whidbey Island, Wash., N.L.G., No. 653! 



Lithothamnion laeve (Stroemfelt) Foslie. 



On rocks in the sublitoral zone. Kukak Bay, Alaska, Saunders 

 (1901, p. 442). 



Lithothamnion laeve f. tenue (Kjellman) Foslie. 



On mussel shells in the upper sublitoral zone. Port Clar- 

 ence, Alaska, Kjellman (1889, p. 22, under Lithophyllum tenue). 



Lithothamnion Californicum Foslie. 



Upper sublitoral zone. Port Renfrew, B. C, Yendo; Channel 

 Rocks, near Seattle, Wash., N.L.G., No. 654! (in part). 



Lithothamnion conchatum Setchell and Foslie. 



On Amphiroa. Port Renfrew, B. C, Yendo (Foslie, 1902/ 

 p. 6); west coast of Whidbey Island, Wash., N.L.G., No. 83a! 



Probably "Melobesia patens" of Saunders (1901, p. 441) from 

 Prince William Sound, on Amphiroa, belongs here. 



Lithophyllum tumidulum Foslie. 



On Alinfeldtia concinna. West coast of Whidbey Island, 

 Wash., N.L.G., No. 658! 



Lithophyllum (Eulithophyllum ) incrustansf . orbicularis Foslie. 

 Port Renfrew, B.C., Yendo. 



Lithophyllum (Lepidomorphum) Farlowii Foslie. 

 Sitka, Alaska, Saunders (1901, p. 442). 



