c 
a, flower; b, flower without calyx; c, column- of stamens, flattened out; 
d , front- and back-view of a stamen; e, pollen-grains; /, young fruit; g, 
ripe fruit; h, portion of valve, with one seed; i, embryo; k, transverse 
section of a seed. ' 
[ 5 ] 
