314 CATALOGUE OF THE MARINE ALG.E 



2. 0. scopuLORUM, Ag. Harv. Man., p. 224. Pliyc. Brit., t. 

 58 (B). Atlas, PL LXXVII., fig. 363. Jolmst. 

 and Cr., vol. iv., p. 159. 

 Conferva scopulorum. E. Bot., t. 2171. 

 " On rocks on the coast." — Winch. — N. D. 



80. LYNGBYA, Ag. 



1. L. Carmichaelii, Harv. Harv. Man., p. 226. Phyc. Brit., 



t. 186 (A). Atlas, PI. LXXVIIL, fig. 368. 

 Jolmst. and Cr., vol. iv., p. 173. 



marine rocks and Fuci (mostly F. vesiculosus). Not un- 

 common. — N. D. 



2. L. spECiosA, Carm. Harv. Man., p. 227. Pkyc. Brit., t. 



186 (B). Atlas, PI. LXXVIII., fig. 369. 

 Jolmst. and Cr., vol, iv., p. 175. 

 Amongst L. Carmichaelii at North Sunderland. — G. S. B. — N. 



3. L. FLACCA, Harv. Harv. Man., p. 227. Phyc. Brit., t. 300. 



Atlas, PI. LXXVL, fig. 359. Jolmst, and Cr , 

 vol. iv., p. 177. 

 Conf.flacca. E. Bot., t. 1943. 

 On Fuci, &c. ; most frequently on Halidrys siliquosa. Near 

 Berwick. — Dr. Johnston. Near Seaham Harbour, Sunderland, 

 Marsden, and Cullercoats. — G. S. B. — N. D. 



81. OSCILLATORIA, Vauch. 

 1. 0, LiTTORALTs, Cariu. Harv. Man., p. 228. Phyc. Brit., t. 

 105 (A). Atlas, PI. LXXVIIL, fig. 372. 

 Jolmst. and Cr., vol. iv., p. 183. 



1 have this plant in one of my aquaria, spreading over decay- 

 ing Algje, &c. It must have been brought originally from the 

 coast near Sunderland, but I have never observed it on the sea- 

 shore. My specimens agree very closely with Dr. Harvey's 

 figure and description of 0. littoralis. — U. 



