196 BRITISH SEA- WEEDS. [^Rltoclospermefe. 



as vrlien taken from the sea. It stains paper of a fine 

 carmine, which remains unaltered for many years. 



Genus XL. SPYRIDIA, Harve?/. 



Geni Char. Main filaments inarticulate, cartilaginous, beset 

 with jointed ramuli ; dissepiments opake. fructification : 1, tri- 

 sporous capsules with colourless margins, clustered round the 

 bases of the ramuli ; stalked gelatinous receptacles, with mem- 

 branaceous pericarps, often surrounded by an involucre of short 

 ramuli, containing two or three masses of roundish granules. — 

 The name is from a Greek word, signifying a basket^ in allusion 

 to the appearance of the receptacles. — Harvey. 



1. Spyridia filamentosa, Harveij. 



Hab. Submarine rocks, near low-water mark. Perennial. 

 Summer. Southern coasts of England ; rare. It has been 

 found in Devonshire by Mrs. Griffiths, Miss Cutler, Mrs. 

 Gulson, and others. 



Till this was found lately by Mr. Ealfs in AVales, it was 

 thought to be confined in Britain, to the south of England. 

 It has very recently been found by Mrs. Spode at Beaumaris. 

 It is found in Jersey by Miss Turner and Miss White. 



