162 Mr George W. Traill on the [sess. lit. 



53. Cladostephus spongiosus, Ag, 



Common on rocks and in pools near low-water mark. 

 Perennial. Fruit in winter. 

 54 Corallina officinalis, Linn. 



Common in rock pools between tide marks. Perennial. 

 Fruit in winter and spring. 



55. Cordylccladia crccta, Ag. 



On sandy rocks at very low tides at 4 and 12, accom- 

 panying Phyllophora Brodicci and Plocamium coccin- 

 eum. Perennial. Tetraspores in July ; capsules in 

 September and October. 



56. Cruoria 2^eUita, Fries. 



On rocks at 3, near low-water mark. 



57. Cystoclo7iium ])urinirascens, Ag. 



Common in pools and on exposed rocks from about 

 half-tide level to low-water mark. Annual, April to 

 Oct. (G. W. T.) ; " July to Oct. " (Le Jolis) ; " spring 

 and summer " (Crouan). Fruit, June, July, August. 



58. Dasya coccinea, Ag. 



Cast ashore. Annual, April to Oct. Fruit, July, Aug. 



59. Belesseria alata, Lx, 



On rocks and Alga3 at 3, 4, 7, 8, 12, &c., at and below 

 low-water mark. All the year. Fruit, March, April, 

 May. 



60. Delesscria hypoglossum, Lx. 



" Dredged on Algie near the Lady's Tower, rare " 

 (M'Bain). 



61. Delcsseria simiosa, Lx. 



Not uncommon on rocks and Algie in pools between 

 tide-marks, also in deep water. Biennial. Fruit in 

 winter. 



62. Dcrmocarpa jtrasiria, Bornet. 



At 12, on Catenclla Ojmntia, and at many places on 

 rolyaiplionia fadigiata. 



63. Desmarestia aculeata, Lx. 



At 4, 9, &c., on stones and rocks in tlie s(;a from a little 

 below the low-water mark of spring tides to deep 

 water. Always submerged. Perennial. 



64. Dcsraarcstia viridis, Lx. 



At 4, 9, &c., often accompanying the last mentioned. 

 Annual, spring and sunnner. 



