ALGAE OF THE CHILEAN SEAS 249 



Corallina chilensis Decaisne. 

 Hildebrantia Le Cannellieri Hariot. 



GIGARTINALES 

 Schyzymenia Binderi. J. Ag. 

 Plocamium pacificum Kylin. 

 Iridaea laminarioides Bory. 

 /. obovata Kutz. 



Gigartina Chamissoi (C. A. Ag.) J. Ag. 

 G. Chauvinii J. Ag. 

 G. Lessonii (Bory) J. Ag. 

 G. Teedii (Roth.) Lamour. 

 Chondrus canaliculatus Grev. 



Gracilaria lemanaejormis (Bory) Weber-van Bosse. 

 G. lichenoides (L.) Gmell. 

 Ahnfeltia Dui-villaei (Bory) J. Ag. 

 Gymnogongrus furcellatus (C. Ag.) J. Ag. 



CEPvAMIALES 

 Ceramium rubrum (Huds.) C. A. Ag. 



C. Dozei Hariot. 



Centroceras clavolatum (C. A. Ag.) Mont. 

 Polysiphonia alscissa Hook. £. et Harv. 

 Laurencia chilensis D. T. Forti et Howe 

 Heterosiphonia Berkeley i Mont. 



RHODYMENIALES 

 Dendrymenia flabellifolia (Bory Skottsb.) 

 Rhodymenia corallina (Bory) 



3. A. breakers belt, with large Phaeophyceae and some Rhodophy- 

 ceae belonging to the genera Gelidium, Iridaea and Rhodymenia. 

 Among the Phaeophyceae: 



Lesson ia nigrescens Bory. 



Macrocystis integrifolia Bory, and 



Durvillaea antarctica (Cham.) Hariot. 



B. In the sublittoral zone there are areas covered by large sub- 

 merged Phaeophyceae belonging to the genera Lessonia, Macrocystis and 

 Durvillaea and of the deep water Rhodophyceae with species of Rho- 

 dymenia, Iridaea, etc. 



PHAEOPHYCEAE 



FUCALES 

 Durvillaea antarctica (Cham.) Hariot. 



D. Harveyi Hook. f. et Harv. 



