SEA WEEDS. 405 
Litosiphon pusillus, Harv. Braye Bay, on Chorda filum. 
Platte Saline, on Alaria esculenta. 
Stictyosiphon Griffithsianum, Holm. & Batt. Longy Bay, 
on Rhodymenta palmata. 
Punctaria plantaginea, Grey. Clanque, in fruit. Longy. 
Asperococcus echinatus, Grev. Longy. 
Ectocarpus fasciculatus, Harv. Clanque. 
E. granulosus, C. Ag. Clanque. 
E. tomentosus, Lyng. Longy. Clanque. Braye. 
Pylaiella litoralis, Kjell. Corbelets. 
Myriactis pulvinata. Kutz. Clanque, on Cystoseira ericoides . 
Elachista scutulata, Duby. Fort Houmet. 
E. flaccida, Aresch. Clanque. Longy. Braye. 
E. fucicola, Fries. Clanque. Braye. Longy. 
Sphacelaria radicans, Harv. Longy. 
S. olivacea, Prings. Longy. 
S. cirrhosa, C. Ag. Braye Bay. Clanque. Longy. 
S. fusca, Phyc. Brit. Longy. 
Cladostephus spongiosus, C. Ag. Corbelets. Clanque. 
C. verticillatus, C. Ag. Clanque. Longy. 
Stypocaulon scoparium, Kutz. Clanque. Longy. 
Chilionema ocellatum, Sauv. On Laminaria saccharina, 
Clanque 
Myrionema strangulans, Grev. Clanque. Longy. 
Ralfsia clavata, Crn. Clanque. 
R. verrucosa, Aresch. Clanque. Longy. 
Castagnea virescens, Thur. Clanque. Longy. Braye. 
