SEAWEEDS. 319 
Furcellaria fastigiata, Lam. 
Rather common. 
Polyides rotundus, Grev. 
Bec du Nez. Petit Bot. 
Petrocelis cruenta, J. Ag. (Cruoria pellita. ) 
Fermain. 
Peyssonnelia Dubyi, Decne. 
Bordeaux. Petit Bot. Fermain. 
Hildenbrandtia prototypus, Nard. (#. rubra.) 
Common. 
Schmitziella endophloea, Born & Batt. 
Parasitic on Cladophora pellucida. Petit Port. Vazon. 
Melobesia corticiformis, Kutz. 
On Rhodymenia palmata and Cladophora pellucida. Fermain. 
Cobo. Petit Bot. Lancresse Bay. 
Melobesia membranacea, Lam. 
Fermain Point, on Rhodymenia palmata. 
Melobesia verrucata, Lam. 
Fermain. Cobo. Vazon. 
Melobesia Lejolisii, Rosan. 
On Zostera leaves. Vazon Bay. Petit Port. 
Melobesia pustulata, Lam. 
Cobo. Petit Port. Fermain. 
Melobesia Laminariae, Crn. 
Fermain. Bordeaux. 
Melobesia Corallinae, Crn 
Petit Bot Bay. 
Melobesia sp. 
I have found at Petit Bot Bay, and also at Vazon Bay, a species 
approaching JZ. Cystoseirae, Hauck, but it has not yet been satis- 
factorily determined. 
Lithophyllum lichenoides, Phil. (J/e/odesza.) 
Common. 
Lithophyllum Lenormandi, Rosan. 
Common. 
