Cassells European Ferns 
DAVALLIA CANARIENSIS SM.(THE HARES FOOT FERN.) 
(ONE THIRD NATURAL SIZE ) 
ND£R SIDE OF A PORTION OFA FROND IN FRUIT. TWICE natural SIZE) 2 YOUNG SORUS UNDER S U RFACE ( 8 T I MES NAT'SiZEj 
3 OLD SORUS UNDER SURFACE IS.ti mes natural size) 4- OLD SORUS UPPER SURFACE fe times natural size) 
