THE MARINE BOTANIST. 199 



cal-oblong ramuli attenuated at their insertion. 

 East and South of England. Belfast Lough. 



GELIDIUM CARTILAGINEUM.— CARTI- 

 LAGINOUS GELIDIUM. 



Frond twelve to eighteen inches long^ rising from 

 a mass of fibres ; the stems naked at base, in the 

 upper part twice or thrice pinnate, the pinnae and 

 pinnulse alternate, gradually diminishing in size. 

 Tubercles terminating the smaller pinnulse, pointed. 

 Colour a fine, dark purple, becoming scarlot, orange, 

 yellow, and finally gTeenish on exposure. Sub- 

 stance cartilaginous, horny when dry. Grows on 

 rocks in the sea. Probably not a native of our seas. 

 Once found many years since by Dr. Withering at 

 Freshwater Bay, Isle of Wight. In 1849 several 

 specimens picked up after a gale on the shore near 

 Ryde, were given to my friend Mr. E. H. Shep- 

 pard ^ one of these he presented me with, and it is 

 from this specimen that Dr. Harvey has taken his 

 beautiful and accurate figure in the '^ Phycologia 



