THE ISLAND OF MAXOATA. 31 



years acted as missionary in the island. He states that, " owing 

 to the shallowness of the water on the reef, the Algae are not nu- 



merous." 



A few notes attached to the specimens are inserted between in- 



verted commas. 



Fucaceje. 



Sargassum polyphyllum, J. Ag. 

 Geog. dist. Sandwich Islands. 



S. vulgare, Ag. 



Geogr. distr. Warmer parts of Atlantic; Philippines; Australia: New 

 Zealand. 



Turbinaria ornata, Turn. 



Geog. dist. Various parts of Pacific; Coast of Chili. 



DlCTYOTACE^]. 

 ZOXARIA OBSCURA, n. sp. 



Fronde procumbente, coriacea, suborbiculari, undulata vel paroe lobata, 

 pagma mfenore radicante, stuposa. 



It belongs to the stemless division of the genus; in perpendi- 

 cular section there are seven layers of cells. The specimens are 

 about an inch in breadth, of a very dark olive-colour. It grows 

 closely applied to the irregular surface of corals. " Native name 

 Kana." 



EcTOCABPACEJI. 



Sl'HACELARIA PULVINATA, Harv.? 



Mixed with Microdictyon and very fragmentary. 



Geogr. distr. Port Philip ; New Zealand. 



EHODOMELACEiE. 



Polysiphonia calothrix, Harv.l 



A few imperfect specimens attached to Turbinar 



Geogr. distr. King George's Sound. 



in 



Laurenciacejs. 



Laurencia obtusa, Lam, 



The ordinary form as well as the variety gracilis. 



Geog. dist. Very widely diffused in both hemispheres. 



