Lami7iane6e.'\ laminaria. 127 



which was eipjht feet long^ partly hollow, and laden with 

 Lepas anatifera and Lepas striata. In the end of August 

 1850, I was favoured with a letter from him, dated Giant's 

 Causeway, saying that he had not yet seen my specimen ; 

 but that he had himself on that day picked up, on the 

 shore under Dunluce Castle, a stem of the unquestionable 

 L. longicruris, like mine, without root and without frond, 

 but laden also with barnacles, showing that it had been long 

 adrift, and may have come from Newfoundland or Green- 

 land. Mine, which on his return to Dublin he acknow- 

 ledged as the true plant, had stood the voyage well, for, 

 though without root and frond, it was as fresh in appear- 

 ance and in smell as if it had been newly torn from the 

 rock. The stem found by Dr. Harvey was eight feet long, 

 about an inch in diameter at the thickest, and less than a 

 quarter of an inch at the very base. Wlien found again, it 

 may be easily distinguished by being hollow. 



7. Lamintaria Cloustoni. 



This, as well as the preceding, will soon be figured and 

 described in Phyc. Brit. This Professor Harvey finds on 

 the coast of Antrim, almost as common as the L. digitata. 

 He says [in lit.), " I think it a good species, or at least a 

 very decided variety. It differs from the common L. digitata 



