SEAWEEDS. 409 
—= 
Halurus equisetifolius, Kutz. Corbelets. Fort Houmet. 
Bornetia secundiflora, Thur. Corbelets. 
Monospora pedicellata, Solier. Clanque. Longy. 
Rhodochorton Rothii, Nag. Longy. 
R. floridulum, Nag. Clanque. 
Callithamnion Hookeri, C. Ag. Longy. Braye. 
C. brachiatum, Phyc. Brit. Platte Saline. 
C. tetricum, C. Ag. Longy. 
C. corymbosum, Lyng. Corbelets. Braye. 
Plumaria elegans, Bon. Platte Saline. Longy. 
Crouania attenuata, J. Ag. Fort Houmet. Longy. 
Ceramium diaphanum, Roth. Clanque. 
C. circinatum, J. Ag. Longy. Clanque. 
C. rubrum, C. Ag. Clanque. Corbelets. Longy. Braye. 
C. echionotum, J. Ag. Longy. Clanque. Braye. 
C. acanthonotum, Carm. Longy. 
C. ciliatum, Ducl. Clanque. Longy. 
Gloeosiphonia capillaris, Carm. Clanque. 
Dumontia filiformis, Grev. Longy. Clanque. 
Dilsea edulis, Stack. Platte Saline. 
Furcellaria fastigiata, Lam. Clanque Longy. Corbelets. 
Polyides rotundus, Grev. Longy. 
Peyssonnelia Dubyi, Dcne. Clanque. 
Hildenbrandtia prototypus, Nard. Corbelets. Clanque. 
Melobesia corticiformis, Kutz. Clanque. Fort Houmet. 
M. verrucata, Lam. Clanque. 
