466 Transactions of the South African Philosophical Society. 



it produces buds, which soon appear above the surface of the ground, 

 and finally open with three slits. It is in the structure of the flower 

 that I have observed something which had hitherto escaped the 

 attention of botanists. 



™<3l 





wjmm 



Hydnoea africana Thunb. 



1. Flower cut open, one-third removed. 



a, androecium. 

 st, stigma. 

 p, placentae. 



2. Transverse section through one perianth-lobe with the 



white bodv in the centre. 



Each of the three segments of the perianth bears a large snow- 

 white body on its inner side, while the remainder of the inner 



