CBYPTONBM [ACE B. 128 



or irregularly cleft, lomewhal Lobed frond ; favellidia densely 



scattered over the surface, J. Ay. Aly. Med. p. 99. 



PL XLVII. I'i_ 2 

 Irideea reniformis, Bory. Elalymenia reniformis, ./'/. Rhody- 



menia reniformis, Hook. Euhymeiiia renifornne, Kiz. § 



cophyllis lobata P Ktz. Fucub reniformis, Turn. 

 J/'fn. in deep Bhady pools, at extreme low-water mark, rare. 



Often washed on Bhore from deeper water. Perennial? 



Summer and autumn. 

 Kallymenia reniformis, firsl described in the 'His 

 Fucorum,' was discovered by Miss Everett, early in the 

 presenl century, on the Bhores of the [sle of Wight, and 

 long regarded as an extremely rare species. ( M' Late years 

 many new habitats have been ascertained for it, and it is 

 now, at least in Ireland, known to be far from uncommon. 

 In Scotland it appears to be more rare, and yet it occurs 

 as far north as Orkney. 



212. Dubyi (Dubtfs KaOymenia) ; Btem compressed, gradually 

 expanding into an obovate, simple, dull-red fron I. wedge- 

 Bhaped at the base ; favellidia very minute, densely scattered 

 over the surface, llarv. Phi/. Brit. j>/. L23. (A 



PI. XLVTT. Fig. 214.) 

 Halymenia Dubyi, Chauv. IT. laminarioides, Bory. Nemos- 



toma Dubyi, ./. Ay. Iridsea Dubyi, Lenorm. Delesseria 



Ferrarii, Bonnem. et Lamour. 

 Hal. On recks and Btones, within tide-marks, in land-locked 



bays. Annual. Spring and early Bummer. 

 It will be seen that the frond of this specie- i- consider- 

 ably differenl in form from the typical specimens of K. 

 reniformis, the outline much more approaching that of 

 Iridcea edulis. Besides mere form, which is not absolutely 

 to be depended on, this plant differs from K. reniformis in 

 the duller colour, in its globules of spores being of a much 

 smaller size, and soniew hat in the structure 01 the frond. 

 It arrives at maturity, too, at a much earlier Beason, being 

 in greatest perfection in March and April, and becoming 



much faded and passing into decay in Augusl : just at the 



period when the full-grown and Btrongly-coloured fronds 

 of Kal. /•' niformis begin t" come en Bhore. 



LWir. TRIP 1 \. 



213. edulis {The edible Tridcea)] frond undivided, obovate, 



rounded at tiie apex ami wedge-shaped at the basej with a 



