MASSEE : MARINE ALG.?: OF SCARBOROUGH. 



Ceramium deslong^champsii Chauvin. 



North Bay. 

 Ceramium diaphanum Roth. 



CarneUan Bay. 

 Ceramium nodosum Harv.' 



South Bay. Not common. 

 Ceramium acanthonotum Carm. 



South Bay. Common. 

 Ceramium eiliatum Ducluz. 



South Bay. Rare. 

 Gloiosiphonia capillaris Carm. 



North Bay. Rare. Not found growing. 

 Phyllophora membranifolia Ag. 



North Bay. Rare. 

 Ahnfeldtia plicata (Kutz.) Fries. 



Cystoclonium purpurascens Kutz. (==Hypnea purpurascens Harv., 



Phyc. Brit, pi. ii6). 

 Gigartina mamillosa Ag. 

 Chondrus crispus (L.) Stack. 

 Callophyllis laciniata Grev. 



In both bays, but sparingly. 

 Calliblepharis ciliata Grev. 



Not common. 

 Plocamium coccineum Lyngb. 

 Furcellaria fastigiata I.amx. 

 Delesseria sinuosa Lamx. 



South Bay. Rare and small. 

 Delesseria alata Lamx. 



Delesseria alata Lamx. var. angustissima ( = D. angustissima Harv.) 



All stages, from the wingless blade of angustissima up to 

 typical Delesseria alata, occur. 

 Delesseria hypoglossum Ag. 



North Bay. This is the rarest of the Delesseric?. 

 Delesseria sanguinea Lamx. 

 Odonthalia dentata Lyngb. 



Carnelian Bay. Only once found. 

 Polysiphonia urceolata Grev. 

 Polysiphonia nigrescens Harv. 

 Polysiphonia atro-rubescens Grev. 

 Polysiphonia fastigiata Grev. 

 Polysiphonia elongata Harv. 



South Bay. Rare. 



Aug. 1885. 



