159 



Sub-class 111. CHLOROSPERMILE. 



Ordjjb l l. 8IPH0NACE2B. 



\.\\\\ in. CODI1 M. 



280. Bursa {Th Hum) ; frond Bpherical, hollow, A<;. 



; ■>,. v. l.p. 157. Atlas, PI. LXI. Fig. 284.) 

 Spongodium Bursa, Lamour. Lamarckia Bursa, OUvi. Agardhia 



Bursa, Cabrera. Fucua Bursa, Turn. Alcyonium Buna, 



Lniti. Bursa marina, ('. Bauhin. 

 Hob. On Bubmarine rock-. PerenniaL Summer. Wry rare. 



Not being bo fortunate as to possess a British specimen 

 of this very rare and curious plant, r have been forced to 

 make the drawing for the plate in 'Phycologia Britannica' 

 from some of a fine series which I owe to the kindni 

 M. Lenormand, who procured them at Granville, on the 

 French coast, where Codium Bursa is common. The sta- 

 tion on the Sussex coast, quoted from Pallas, is nol prolific 

 in modern times, nor have I ever seen any British speci- 

 men, except a small one obtained by Mrs. Griffiths, in 

 Devonshire. No one has met with this plant near Belfast 

 but Mr. Templeton, and I have not seen his specimens. 



281. adhserens (The adhering Codmm); frond forming a vel- 

 vety crust on the Burface of rucks, Ag, Sp. Alg. v. Ljp. 



(Atlas, PL LXI I. Fig. 288.) 

 Agardhia adherens, Cabrera, 



Hah. South of England. On marine recks, near low-water mark. 

 Perennial. Summer and winter. Rare 

 I am indebted to Mr. Peach ^ Fowey tor living speci- 

 mens of this curious plant, which he finds in greal perfec- 

 tion at Gorran Haven. 1 1 appears to he nf slow growth; 

 for Mi*. Haifa informs me, that patches cut out ^wv year, 

 are hut partially filled up after twelve months. J am not 

 (piite certain that the Mauritius specimens, formerly de- 



Bcribed by me. arc identical with the European. 



:>_'. amphibium i The amphibio I ; fronds minute, 



erect, cylindrical, simple, obtuse, aggregated in widely 

 spreading Btrata, Moore ei Harv. in Ann. Sat. Hist. v. IS. 

 p. 3-21.,,/. 6. (Atlas, PL LXTL I 



