276 THE MARINE BOTANIST. 



with C roseum ; the filaments are, however; much 

 finer and more dehcate than in that species. 



(7. polyspermum. Grows on rocks and the larger 

 fuci. Not imcommon. Annual. Spring and sum- 

 mer. Sussex coast. Torquay. Plymouth. Mouse- 

 hole, near Penzance. North of Ireland. Dunree, 

 Donegal, Youghal. Appin, Argyle. Tufts glo- 

 bose; stems nearly simple below, much branched 

 in a fan-like manner above. ^^ Plumules linear- 

 oblong in outline ; pinnse short, simple, patent, 

 acute, spine-like." Colour a dull rose-red or 

 purplish. 



C, purpurascens, " Gathered on the Brighton 

 beach by Mr. W. Borrer. Purplish-red, repeatedly 

 branched, very slender and tufted." — Smith, E. Bot. 

 t. 2465. 



C. fasciculatum. At Yarmouth. ^^ Tufted, 

 branches erect, flexuous, level-topped ; plumules 

 elongate, erect, linear-obovate, truncate. Colour 

 a fine purple red." This Dr. Harvey now considers 

 a very doubtful species, probably one of the varie- 

 ties of (7. BorrerL 



