186 BRITISH SEA- WEEDS. \_'Melanos2^erme(2 . 



flat, veinless, somewhat fan-sliapcd, irregularly cleft. Fructifica- 

 tion, minute tufts of capsules pedicellate, containing several dis- 

 tinct granules. — Named Cutleria by Dr. Greville in honour of 

 Miss Cutler, a distinguished British Algologist. 



1. Cutleria multifida, Grev. (Plate II. fig. 6.) 

 Hab. On rocks and shells in deep water. Rare. Annual. 

 Summer and winter. Pound in England by Mrs. Griffiths, 

 ]\Iiss Cutler, Mr. Turner, Mr. Wigg, Mr. Borrer, Eev. Mr. 

 Here ; in Ireland by Miss Hutchins, Miss Ball, Professor 

 Harvey, Mr. M'Calla; in Scotland by Major Martin. I am 

 not aware that it has been found in Scotland, except in 

 Orkney, as mentioned by Professor Harvey in liis Manual, 

 and by Major Martin, who dredged it in Lamlash Bay, 

 Arran, in August 1850. 



Substance betwixt cartilaginous and membranaceous ; 

 colour reddish-olive ; crisp when fresh, but soon becoming 

 flaccid. Dr. Greville mentions that the capsules or utricles 

 are very like the little black fungus found on the leaves of 

 rose-bushes in our gardens. 



Genus XIV. HALTSERIS, Tozzetti. 

 Generic Character. Frond flat, linear, membranaceous, with a 

 midrib. Hoot, a mass of woolly filaments. Fruit, ovate seeds. 



