THE 



BEITISH CHAROPHYTA 



JAMES GROVES, F.L.S. 



AND 



GEORGE RUSSELL BULLOCK- WEBSTER 



M.A., F.L.S. 



KECTOK OF ST. MICHAEL BOTAL, LONDON, AND HON. OANON 

 OF ELY CATHEDRAL 



VOLUME I 

 NITELLEvE 



■WITH INTBODTJCTION, PLATES AND TEXT-FIGUEBS 



LONDON 

 PRINTED FOR THE RAY SOCIETY 



1920 



