THE MARINE BOTANIST. 275 



coloured, and of a less delicate substance than those 

 from Torbay and the east of Ireland, and at first 

 strikingly resemble C. Brodicei, while the latter 

 come nearer C roseumP 



Section 3.— Rosea. Main stems slender, evidently 

 articulated. 



C, rose^im. Grows on mud-covered rocks and 

 algae near low water-mark. Annual. Summer. 

 Not uncommon. Yarmouth. Torquay. Plymouth, 

 very fine. Falmouth. Bantry Bay. Arran, co. 

 Clare. Three to four inches high, much branched ; 

 pinnules long, spreading, nearly simple, curved. 

 Colour, when young, a fine purplish red, brownish 

 when old. 



C, hyssoideum. Grows on other algae near low 

 water-mark. Not very uncommon. Devonshire, 

 South coast of Cornwall. Portaferry, Strangford 

 Lough. Dublin Bay. Cork Harbour. Very 

 flaccid, much divided, branches often entangled 

 together. This has the habit and substance of 

 C, corymhosumy but in ramification it nearly agrees 



