136 THE MARINE BOTANIST. 



CHRYSYMENIA ROSEA.— WIDE- 

 FRONDED CHRYSYMENIA. 



Frond in proportion very much broader than 

 in the above, with opposite, obtuse, eUiptical 

 ramuli, tapered off at the insertion. Tetraspores 

 not dispersed through the branches, as in C. clavel- 

 losa, but collected into distinct sori. The variety 

 orcadensis is about an inch high^ each frond 

 elliptic oblong", fully a quarter of an inch broad, 

 bearing three or four distant pairs of pinnae of 

 similar form but smaller dimensions. Colour a 

 clear pinky red. Discovered at Skaill, Orkney, by 

 Miss Watt, and described in the " Manual," p. 100, 

 as a distinct species ; subsequently Mrs. Gatty and 

 Mrs. Hayden gathered more perfect specimens at 

 Filey, on the Yorkshire coast, '^ which," writes 

 Dr. Harvey, " seem to connect the Orkney plant 

 with an American species gathered at Newport, 

 Rhode Island, to which I had previously given 

 the name of ^ rosea.' Mrs. Gatty's largest speci- 



