134 COMMON SEAWEEDS. 



with many segments crisped and curled at their edges, 

 closely fringed with minute processes, in which tu- 

 bercles are formed. The colour is really beautiful, 

 and preserves well in drying. Coast of England and 

 Ireland, and Channel Islands ; especially beautiful in 

 Alderney. 



Rhodymenia Crist ata. — A small variety, a north- 

 ern species, very rare. 



SPKEBOCOCCUS. 



(Name from the Greek words signifying " a sphere or globe" and <: fruit.") 



Generic character. — Frond flat, excessively branch- 

 ed, forked repeatedly, and usually edged with fruit. 



Fructification. — Tubercles or coccidia imbedded in 

 the cilia, which fringe the frond. Colour, a fine 

 scarlet pink. 



"With a pocket lens we see a faint mid-rib running 

 up the frond. It is a beautiful specimen 'for the 

 album, and preserves its colour well in drying. Rarely 

 found except on the shore after a gale, and then we 

 may find fronds from six to twelve or eighteen inches 

 long. Found in Jersey, Guernsey, and Sark; also 

 in the south of England and Ireland. 



