SEA WEEDS. Bir 
VI.—TILOPTERIDINAE. 
Tilopteris Mertensii, Kutz. (Zctocarpus.) 
Noted in Miss Le Lievre’s list. 
VII.—DIcTYOTINAE. 
Dictyota dichotoma, Lam. 
Common. Var. implexa, J. Ag. (¢xtricata, Phyc. Brit.) Bor- 
deaux. Moulin Huet Bay. Petit Port. 
Padina pavonia, Gail. 
In shallow pools. Cobo. Grandes Rocques. Rocquaine Bay. 
A singular and strikingly beautiful seaweed, appropriately called the 
Peacock’s Feather. 
Dictyopteris polypodioides, Lam. (/a/iseris.) 
Fermain Point. Coast by Rousse Martello Tower. 
RHODOPHYCEAE. 
J.—PORPHYRINAE. 
Erythrotrichia carnea, J. Ag. (Sangia ceramicola.) 
Near Bec du Nez on a plant of Ceramium ctlatum, growing at 
extreme low-water mark. 
Porphyra linearis, Grev. (P. vulgaris.) 
Common. 
Porphyra laciniata, C.Ag. 
Common. Both species of Porphyra, under the name of Laver 
or S/oke, are said to be very wholesome when boiled into a pulp 
and eaten with pepper and vinegar or lemon-juice. 
I].—NEMALIONINAE. 
Chantransia Daviesii, Thur. (Caldthamnion.) 
Saints Bay. Petit Bot. Fermain. Bec du Nez. Lihou Island. 
Chantransia luxurians, Thur. 
On limpets in mid-tide pools, St. Martin’s Point. 
Helminthocladia purpurea, J. Ag. (Vemaleon.) , 
Petit Bot. Moulin Huet. 
Helminthora divaricata, J. Ag. (Dwudresnaia.) 
Saints Bay. Petit Port. Spur Point. 
