EEPOET ON THE BOTANY OF THE ATLANTIC ISLANDS. 27 



CoRALLINACEjE. 



Corallina ceratoides, Kiitz. 



Corallina ceratoides, Kiitz., ex Dickie in Journ. Linn. Soc. Lond., xiv. p. 363. 



Fernando-Noronha. On Acanthophora thierii. 

 Shores of Mexico. 



Jania cubensis, Mont. 



Jania cubensis, Mont, in Kiitz., Sp. Alg., p. 709, et SylL Gen. et Sp. Crypt., p. 429 ; Harv., Nereis 

 Bor.-Am., ii. p. 84. 



Fernando-Noronha. Moseley. 



Cuba ; Gulf of Mexico ; Florida ; Cape Verde Islands. 



Lithothamnion mamillare, Harv. 



Lithothamnion mamillare, Harv., ex Dickie in Journ. Linn. Soc. Lond, xiv. p. 363. 



Fernando-Noronha. Moseley. 

 Bahia ; Cape Verde ; Algoa Bay. 



Sph^rococcoide^e. 

 Gracilaria multipartita, Harv. 



Gracilaria multipartita, Harv., Phyc. Brit., t. 15, et Nereis Bor.-Am., ii p. 107 ; Dickie in Journ. 

 Linn. Soc. Lond., xiv. p. 364. 



Fernando-Noronha. Moseley. 

 Widely diffused. 



Mr Moseley 's specimens comprehend the ordinary form of the species, as also var. 

 /3 angustissima, and forms intermediate between the two. 



Gracilaria armata, J. G. Agardb. 



Gracilaria armata, J. G. Agardh, Sp. Alg., ii. p. 591 1 ex Dickie in Journ. Linn. Soc. Lond., xiv. p. 364. 



Fernando-Noronha. Moseley. 

 Mediterranean ; Florida. 



Only two or three very imperfect specimens, and therefore the species doubtful, but 

 having the structure of the genus. 



Squamarie.e. 

 Peyssonnelia dubyi, Crouan. 



Peyssonnelia dubyi, Crouan; Kiitz., Sp. Alg., p. 694 ; Harv., Nereis Bor.-Am., ii. p. 130; Dickie in 

 Journ. Linn. Soc. Lond., xiv. p. 364. 



Fernando-Noronha. Moseley. 



France ; Britain ; Florida. 



A few very dwarfed specimens were found upon Lithothamnion mamillare. 



