Fig. i. — Corn Pansy {Viola tricolor, L ). 



a, Seed, nat. size and x 4^ ; b, early stage of seedling x 1 ; b', surface 

 view of two typical forms of cotyledons x 1^ ; c, second stage of 

 seedling x I ; d , third stage of seedling x 1 ; e, flowering portion x 1 ; 

 e', surface view of flower x 1. 



