THE MARINE BOTANIST. 147 



in tufts from the crustaceous root, when luxuriant 

 the branches are variously pinnate. The ceramidia 

 are either urn-shaped, and terminating the branches 

 and ramuli, or occasionally lateral ovate ceramidia 

 of smaller size are produced on various parts of 

 the articulations, and so densely crowded, as to 

 cover the whole articulation. Perennial. Winter 

 and Spring". 



0. S. C. elongata. Coast of Cornwall, Ellis. 

 Jersey, Mr. Hassall. Attached by a crustaceous 

 base, three or four inches high, ultimate branches 

 almost hair-like, with cylindrical articulations, C. 

 squamata. Grows on submarine rocks at low 

 water-mark. Perennial. Summer. South coast 

 of England. Abundant at Miltown Malbay, West 

 of Ireland. Youghal. Jersey. ^^This has the 

 habit of C. officinalis^ but differs in the form of the 

 upper articulations, w^hich are here much com- 

 pressed, with the angles sharp and prominent.' ' 



