PLATES IN BLACK-AND-WHITE 



Page 

 MolNTAIN \'kC.ETATION .---------5 



Ref.i) Swamp at the Margin- of a Norfolk Broad - - . . 63 

 a tvi'ical l-"l.oating-leaf association ------- 73 



White Water Lilv [Caslalia alba. Wood) with Water Buttercup - 73 

 Great \'ei.i.()W \\'aiek Cress (Radicula amphibia, Druce) - - - 79 



Duckweed {Lciniui minor, L.j- - - - - - - - -147 



Arrow-head (Saffii/aria sag-ii/ifolia, L.) - - - - - - - 153 



XI 



