Marine Algca of Berwick-on-Tured. 327 



CERAMIUM, Lyngb. 



Ceramium bubrum (Huds. ) Ag. 



Syn. p. 60. — Conferva rubra, Huds., Fl. Aug., p. 600. 

 Descr. Ceramium rubrum, Raw., Phyc. Brit. 

 Fig. „ „ Harv., I.e. pi. 181. 



Exsicc. „ ,, Wyatt, Alg. Danm., no. 42. 



F. PEDICELLATUM, J. Ag. 



Spec. Alg. ir., p. 127. 

 S\w. Ceramium rnbrum, Haw., I.e. ; Lloyd, Alg. del'Ouest., no. 184. 



F. PROLIFERUM, J. Ag. 



I.e. ; Id., Epicr. p. 100 ; Harv., Ner. Bor. Am., pt. 2, p. 214. 

 Syn. Ceramium botryocarpum, Griff., in Harv., Phyc. Brit., pi. 215. 



F. CORYMBIFERUM, J. Ag., 1 C. 



Hob. On rocks, stones, and Algae between tide-marks. All the year. 

 Fruit May — Aug. Very common everywhere along the coast. 

 F. proliferum, rare. Berwick Bay. 



Ceramium diaphanum (Lightf.) Roth. 



Cat. Bot. in., p. 154. — Conferva diaphana, Lightf., Fl. Scot., 

 p. 996. 

 Descr. Ceramium diaphanum, Harv., Phyc. Brit. 

 Fig. „ „ Harv., I.e. pi. 193. 



E.vsicc. „ „ Wyatt, Alg. Danm., no. 87. 



Ceramium circinnatum, Crouari, Alg. Finist., no. 172 (excl. Syn.) 

 Syn. Ceramium diaphanum, J. Ag., Spec. Alg. n., p. 125 ; Id., Epicr., 

 p. 98. 

 Hormoceras pulchellum, Ktz., Spec. Alg., p. 676 ; Id., Phyc. Gen., 

 p. 378. 

 Hob. On rocks and Algae between tide-marks. Fruit July — Sept. 

 Not uncommon. Berwick Bay, Burn month, Holy Island. 



Ceramium strictum, Harv. 

 Phyc. Brit., p. 334. 



Descr. et Fig. Ceramium strictum, Harv., I.e. 



Exsicc. ,, ,, Crouan, Alg. Finist., no. 170. 



Syn. „ ,, J. Ag., Spec. Alg. il, p. 123 ; Id., 



Epicr., p. 97. 

 Gongroceras strictum, Ktz., Spec. Alg., p. 678 ; Id., Tab. Phyc. 



xii., t. 78. 

 Hob. On muddy rocks between tide-marks, usually near low-water 



mark; also epiphytic on the smaller Algae. May — July. Bare. 



Burnmonth, Berwick, Scremerston, and elsewhere along the 

 coast. 



