66 CARL SKOTTSBERG, MARINE ALOiE 2. RHODOPHYCEiE. 



Pseudolithophyllum Lem. 



P. discoideum (FoSL.) Lem. 1. c. p. 12, 16. 



Not rare in tide-pools. Fuegia: Orange Bay (St. 45, 11. 3. 09). Falkland 

 Islands: Port North (St. 7 b, 2. 12. 07); near Halfway Cove, upper sublitoral (St. 

 4 c, 21.11.07); Cape Pembroke (St. 3 b, 7.11.07). 



Distribution: Patag., Fuegia, Falkl., S. Georgia. 



Amphiroa Lamx 



A. Orbignyana Dcne, Ann. sci. nat. 2. sér. XVIII p. 124. 



South Chile: Huafo Island, Samuel Cove, litoral (St. 31, 25. 7. 08, ?). 



The opinions on this species are divergent: Yendo, Rev. list p. 20 calls it Cheilo- 

 sporum Orbignyanum; Setchell and Gardner, Alg. NW. Amer. p. 362 bring it to A. 

 tuberculosa as a form. As it is impossible for the writer to make a special study of the 

 group, it is left here under the old current name. My specimens agree with Harvey's 

 figure, Ner. Aust. t. 38, and with material from California, but is more branched and has 

 less regular joints. 



Distribution: W. coast of America, Chile. 



A. cretacea (Post. et Rupr. ) Endl. f. tasmanica (Sond.) Yendo, Corall. verae of Port 

 Renfr. p. 714 t. 51 f. 1. 



South Chile: Cape Alman, 20 m, sand and pebbles, only one specimen (St. 

 34, 1. 8. 08). 



Distribution: W. coast of N. Amer., Chile, Tasman. 



Corallina (L.) Lamx 



C. chilensis Dcne; Harvey, Ner. Austr. p. 103; Montagne ex Gay, Hist. de Chile, Bot. 

 VIII p. 319. 



Syn. C. officinalis L. f. chilensis, Kutz., Tab. phyc. VIII t. 66; Yendo, Corall. 

 verae of Port Renfr. p. 718, t. 54 f. 1, 56 f. 15. 



Falkland Islands: Cape Pembroke, in tide-pools (St. 3b, c, 7.11.07). 



It is quite possible that this is only a form of C. officinalis, but further studies of 

 the southern Corallines are necessary to settle this and other questions. The ramifica- 

 tion is dense, almost every joint carrying lateral branches, all of about cqual length 

 and branched again in the same feather-like fashion. 



Distribution: Japan, NW. Amer., Peru, Chile, Falkl. (first record). 



