ENUMERATION OF THE PLANTS. 



ALG^l. 

 MELANOSPERMEvE. 



Sporochnace.e. 



Chnoospora atlantica, J. G. Agardh. 



Chnoospora atlantica, J. G. Agardh, Alg. Liebm., p. 7 ; Dickie in .Tourn. Linn. Soc. Lond., xiv. 



p. 356. 

 Chnoospora fastigiata j8 atlantica, J. G. Agardh, Sp. Alg., i. p. 172 ; Harv., Nereis Bor.-Am., i. p. 79. 



St Paul's Eocks. Moseley. 



A very slender form, the peculiar dilatations below the axils of the segments only here 

 and there apparent. 



La Guayra, Venezuela ; Fernando-Noronha. 



DlCTYOTACE^E. 



Dictyota cuneata, n. sp. ? 



Diclyota cuneata, n. sp. 1 Dickie in Journ. Linn. Soc. Lond., xiv. p. 356. 



Eadicans iuferne, attenuata ; segmentis paucis, sursum dilatatis, apicibus obtusis 

 rotundatis. Fructus '{ 



St Paul's Rocks. Moseley. 



Hitherto not found elsewhere. 



Nearest in habit to Dictyota polycarpa. 



ECTOCARPACE^. 



Ectocarpus breviarticulatus, J. G. Agardh. 



Ectocarpus breviarliculatus, J. G. Agardh, Alg. Liebm., p. 7, et Sp. Alg., i. p. 16; Dickie in Journ. 

 Linn. Soc. Lond., xiv. p. 356. 



St Paul's Rocks. Moseley. 



Very plentiful, growing upon the Chnoospora. 



