BRITISH MARINE ALGiE. 



91 



Calithamnion brachiatum. Autumn. Bovisand ; Ply- 

 mouth. On Fuci. 



Calithamnion Brodiaei. Summer. Torquay; coast of 

 Northumberland ; Cornwall ; Miltown Malbay. 



Calithamnion byssoideum. Spring. Mount Edge- 

 cumbe; St. Germain's River; Plymouth; Torquay. 



Calithamnion corymbosum. Spring. Mount Edge- 

 cumbe ; Firestone Bay ; Plymouth ; Torquay. 



Calithamnion cruciatum. Spring. Firestone Bay ; 

 Torpoint ; Plymouth ; Torquay ; Miltown Malbay. 



Calithamnion Daviesii. Summer. Plymouth ; Tor- 

 quay. 



Calithamnion fasciculatum. Summer. Yarmouth. 

 Calithamnion floccosum. Spring. Orkney Islands ; 

 Aberdeen. 



Calithamnion floridulum. March and April. Land's 



End. Antrim. Orkney Islands. 

 Calithamnion gracillimum. Spring. Mount Edge- 



cumbe ; Beggar's Island ; Plymouth ; Torquay ; 



Falmouth. 



Calithamnion Hookeri. Spring and summer. Mount 

 Edgecumbe ; under the Hoe ; Plymouth ; Orkney. 

 Ireland. 



Calithamnion mesocarpum. Summer. Appin. 



Calithamnion pedicellatum. Summer. Firestone Bay ; 

 Plymouth ; Torpoint ; Brighton ; Torquay ; Fal- 

 mouth ; &c. 



