326 BRITISH SEA-WEEDS. {ClilorosiKmieoi, 



notice. Now that it has been detected, it may be seen 

 ill April and May at Saltcoats in great abundance on 

 flattish rocks, and also on the face of perpendicular rocks 

 near high-water mark. I first procured it at Saltcoats in a 

 rock-pool near the mouth of the harbour ; Major Martin 

 finds it of a very dark colour at Portincross. 



2. Bangia? ceramicola, Xj/;/^^. 



Hab. In rocky pools on small Alga3. Appin, Capt. 

 (.armichael. We have found this at Portincross, and in 

 Arran. 



The fin«st specimens have been found at Saltcoats by 

 Miss M^Leish, on Rhodomela siibfusca. The filaments are 

 very fine and of a beautiful rose-colour. It appears in 

 August, and is very evanescent, for in a few days it loses 

 its fine colour, and soon disappears. 



Genus XCY. ENTEROMOEPHA, Linh. 



Gen. Char. Prond tubular, hollow, membranaceous, of a 

 irreen colour and reticulated structure. Fructification, three or 

 four roundish granules aggregated in the reticukitions. — The 

 name signifies in the form of an entrail. 



1. Enteromorpua iNTESTiNALis, Liul:. (Plate XVIII. 



fii?. 72.) 



