318 THE MARINE BOTANIST. 



in honour of Mr. T. Hopkirk, author of the ^^ Flora 

 Glottiana.'' Specimens of it were first discovered 

 by Mrs. Griffiths in Torbay, in 1838 ; and it was 

 not till 1845 that Mr. M^Calla found the plant at 

 Carrickfergus. 



£J. Ralfsii. Discovered at Bangor, North 

 Wales, by Mr. Ralfs. Larne. '' Frond capillary, 

 simple, or having a few short, spine- like ramuli ; 

 nearly solid ; laxly reticulated ; the cells large, 

 hyaline (two to four in the breadth of the frond), 

 each cell containing a brilliant grain of colouring 

 matter." — Harv. Man. 2nd ed., p. 215 ; the de- 

 scription under the head of E. percursa given 

 therein belongs to this species. 



E. percursa. On the oozy sea-shore, above half- 

 tide level, spreading widely. Annual. Spring and 

 summer. Common at Appin, Argyleshire. " Frond 

 very slender; capillary compressed, marked with 

 spurious reticulations, and a central longitudinal 

 line."— Harv. Man. 1st ed., p. 176. 



