254 THE MARINE BOTANIST. 



lations are slightly diflPIerent in shape. Grows on 

 the smaller algae, between tide-marks. Probably 

 frequent. Annual. Summer and autumn. Mrs. 

 Griffiths, in a letter addressed to me, writes : — " I 

 have no doubt but C. flabeUigerum is a very 

 common species, but has been overlooked as a 

 bad state of C. rubrum, for which I have myself 

 often thrown away fine plants in former days. Few 

 specimens have the spines so plentiful as ours on 

 this coast, where the tufts reach the height of four 

 or five inches." On the Somerset coast, I find it 

 growing on algae in tide-pools at Blue Anchor, and 

 fi^equent on wood-work on the beach at Minehead. 

 Pentire, North coast of Cornwall, Miss Warren. 

 Dover, Mrs. Sillery. Whitehaven, Lancashire, Miss 

 Parker. Ulverstone, Miss E. Hodgson. Down- 

 shire coast. Jersey. 



CERAMIUM ECHIONOTUM.— IRREGU- 

 LARLY-SPINED CERAMIUM. 



Forms rather rigid, tufts of a dark red or purple 



