Codiuni] CHLOROPHYCEiE (Barton). 325 



5. CODIUM Stackh. Ner. Br. p. xvi. 



1. C. elongatum Ag. Sp. Alg. p. 454. 



LoANDA. — Thrown up on the shores of the island, near 8. Pedro i 

 Oct. 1853 ; Feb. and May 1854. No. 48. 



2. C. tomentosum Stackh. Ner. Br. p. 24. 

 LoANDA. — Frequent ; Feb. 1854. No. 47. 



6.HALIMEDALam.inNouv.Bul].Soc.Philom.Nov.l812,186. 

 1. H. Tuna Lam. Hist. Polyp, fl. p. 309. 



St. Vincent, Cape de Verde. — Bare on basaltic shore ; Aug. 1853. 

 No. 247. 



PH^OPHYCE^. 



1. CYSTOSEIRA Ag. Sp. Alg. i. 50. 



1. C. Abies-marina Ag. Sp. Alg. i. p. 54. 



St. Vincent, Cape de Verde. — Rather frequent and well-developed 

 on volcanic rocks near Praia de Galfe ; 20 Aug. 1853. No. 221. 



2. PADINA Adans. Fam. des Plantes, pt. ii. 13. 



1. P. Pavonia Gaill. Diet. Class. Nat. vol. xii. p. 589. 



LoANDA. — On rocks close to the shore of the ocean near S. Pedro, 

 frequent ; Feb. and July 1854. No. 40. 



St. Vincent, Cape de Verde. —Thrown up near Praia de Galfe ; 

 Sept. 1853. No. 210. 



3. DICTYOTA Lam. in Desv. Journ. Bot. ii. 38. 

 1. D. dichotoma Lam. Essai p. 58. 



Prince's Island. — On rocks of the ocean, not infrequent, close to 

 the shore. Bahia de S. Antonio ; 20 Sept. 1853 No. 258. 



4. HYDROCLATHEUS Bory in Diet. Class, viii. 1825, 419. 

 1. H. eancellatns Bory, I.e. 



LoANDA. — Thrown up by the Atlantic at Praia de Gamba, frequent ; 

 4 Dec. 1853 ; 3 Feb. 1854. No. 45. 



5. COLPOMENIA Derb. & Sol. Mem. Phys. Alg. IL 

 1. C. sinuosa Derb. & Sol. I.e. 



Loanda.— Thrown up by the ocean near S. Pedro, very rare. No. 44. 

 Madeira.— Funchal, 1852. No. 265. 



FLORIDE^. 

 1. GALAXAURA Lam. Polyp. Flex. 259. 



1. G. fragilis Dene. Corall. p. 104. 



Very frequent on the shores of St. Vincent, Cape de Verde, 

 thrown up by the sea in great abundance. 



Island of St. Vincent, Cape de Verde.— On volcanic rocks near 

 Praia de Galfe, especially frequent ; 21 Aug. 1853. No. 220. 



2. G. obtusata J. Ag. Sp. Alg. vol. iii. pt. I, p. 525. 

 Loanda.— 1854. No. 275. 



VOL. II. 22 



