Fig. 59 (b). 
1, unexpanded flower, the calyx-lid severed; 2, longitudinal section of 
an unexpanded flower; 3, stamens; 4, fruit; 5, transverse section of fruit; 
6, fertile seed; 7, sterile seeds; 1, 2, 4 natural size; 3, 5, 6, 7 magnified. 
