376 THE ALGiE OF GUERNSEY. 



Cladophora pellueida, Kutz. Cobo. rctit Port. Vazon. 



C. diffusa, Ph. Br. Frequent all round the coast. 



C lsetevirens, Ph. Br. Not uncommon. 



C. rupestris, Kutz. Common. 



C. flexuosa, Griff. Fermain. Rocquaine. 



C f Pacta, Kutz. Brackish pool at Pulias ; a curious state of the plant. 



C. flaveseens, Kutz. Pulias pool. 



C. albida, Kutz. Bec-du-Nez. 



C. refracta, Ph. Br. All round the coast. 



C. areta, Kutz. Bec-du-Nez. Cobo. 



Bryopsis hypnoides, Lam. Not uncommon ; occurs all round the coast. 



B. plumosa, C. Ag. Moulin Huet. Bordeaux. Spur Point. 



Codium adhserens, C. Ag. Saints' Bay, spreading over the vertical face of 

 a rock at low water mark. 



C. tomentosum, Stack. Very common. 



Desmarestia aculeata, Lam. Specimens washed up all round the coast. 



D. ligulata, Lam. Rather common; grows luxuriantly at Cobo and at 



Petit Bot. 

 LitOSiphon pusillus, Harv. Fermain. Belgrave Bay. Bordeaux. 

 Punetaria latifolia, Grev. Petit Bot. 

 P. plantaginea, Grev. Cobo. 

 Myriotrichia filiformis, Ph. Br. Common. 

 Asperoeoeeus eehinatUS, Grev. Belgrave Bay, plentiful. 

 A. bulloSUS, Lam. (A. Turneri). Rocquaine, in pools near the Trinity 



Houses. 

 Streblonema faseieulatum, Thur. Parasitic on Castagnea virescens, 



Fermain. 

 S. vellltinum, Thur. (Elachista). Cobo. 

 S. Zanardinii, Cm. Parasitic on Chylo. kaliformis ; Belgrave Bay, not 



uncommon. Fermain, one specimen. New to Britain. (Ectocarpus 



parasiticus, Sauv. ?) 

 EctOCaPpuS pusillus, Harv. Petit Port. 



E. virescens, Thur. In several places between Fermain Point and Jerbourg. 

 E. seeundus, Kutz. Cobo. 



E. COnfervoides, Le Jol. (E. siliculosus). Common. 



E. fasciCUlatUS, Harv. Cobo. Fermain. Petit Bot. Bordeaux. 



E. granulosus, C. Ag. Petit Port. 



E. tomentOSUS, Lyng. Not uncommon all round the coast. 



Pylaiella litoralis, Kjell. (Ectocarpus). Common. 



Myriactis pulvinata, Kutz. (Elachista attenuata) . Bordeaux. Fermain. 



Lihou Island. 

 Elachista Stellulata, Aresch. Fermain, on Dictyota. 

 E. scutulata, Duly. Fermain. Grandes Rocques. Bordeaux. 

 E. flaeeida, Aresch. Grandes Rocques. Petit Port. 

 E. fUCiCOla, Fries. Common. 



Sphaeelaria radieans, Harv. Vazon Bay. 



S. Cirrhosa, C. Ag. Very common. 



Cladostephus spongiosus, C. Ag. Here and there on the south coast. 



C vertiCillatUS, C. Ag. Common. 



