THE MARINE BOTANIST. 29 



CARPOMITRA. 



'NsLme fruity and a mitres in allusion to the shape of the fruit. 



Frond filiform, or flat midribbed, sub-dicho- 

 tomous. Fmctification, Mitre-form receptacles, 

 terminatino^ the ends of the branches. 



CARPOMITRA CAB RE^E. — CABRERA'S 

 CARPOMITRA. 



Fronds narrow, flat, irregularly forked, occa- 

 sionally constricted destitute of nerve, except at 

 the base, where there is an obscure midrib. The 

 root is a small shapeless woolly tuber. In colour 

 it resembles that of Desmarestia aculeata, and, 

 according* to Dr. Harvey, some very narrow varieties 

 of Dictyota dichotoma are the only species of 

 British sea-weed that can at all be confounded with 

 it ; but a slight examination is sufficient to show 

 the diflerence. This rare species has only hitherto 

 been found at You^-hal, on the south coast of 



