THE 
LONDON CATALOGUE 
OK 
BRITISH PLANTS 
CONTAINING 
THE BRITISH PHtENOGAMIA, FILICES, 
EQUISETACE^E, LYCOPODIACE^, 
SELAGINELLACE^E, MARSILEACE/E, 
SALYINIACE.E and CHAROPHYTA. 
ADAPTED 
For Marking Desiderata in Exchanges of Specimens ; 
For an Index Catalogue to British Herbaria ; 
For Indicating the Species ok Local Districts ; 
AND 
For a Guide to Collectors 
By Showing the Comparative Rarity or Frequency of 
the Several Species. 
ELEVENTH EDITION. 
LONDON: 
GEORGE BELL & SONS, 6, Portugal Street, W.C. 
1925 . 
