#  Ralfs, British Algae 

 



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**Ralfs**, John (1807-1890)  
**BRITISH ALGAE, DRIED SPECIMENS OF MARINE AND FRESHWATER ALGAE, INCLUDING THE DESMIDIEAE AND DIATOMACEAE.**  
Volume I, numbers 1-40. Penzance (Paddy), c. 1850.  
Specimens are dried on paper.

Related Literature: Ralfs, J., 1848. [The British Desmidieae: The Drawings by Edw. Jenner.](https://www.biodiversitylibrary.org/item/51326#page/7/mode/1up) Reeve.

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*Tabellaria flocculosa*  
Wales  
Ralfs 31  
  
*Tabellaria fenestratum*  
Wales (Gwynedd) Dolgelley  
Ralfs 32  
  
*Grammatophora juergensii*  
England (Cornwall) Penzance  
Ralfs 33  
  
*Exilaria pulchella*  
England (Cornwall) Penzance  
Ralfs 34  
  
*Achnanthes exilis*  
Wales (Gwynedd) Dolgelley  
Ralfs 35  
  
*Gomphonema dichotomum*  
England (Cornwall) Penzance  
Ralfs 36  
  
*Gomphonema geminatum*  
Wales (Gwynedd) Dolgelley  
Ralfs 37  
  
*Encyonema prostratum*  
England (Devon) Ilfracombe  
Ralfs 38  
  
*Berkeleya fragili*s  
England (Cornwall) Penzance  
Ralfs 39  
  
*Homoeocladia anglicaHomoeocladia martiana*  
England (Devon) Ilfracombe  
Ralfs 40