FRUIT FORMATION 



479 



Plate III. — Fig. 1, an early stage in the development of the normal orange embryo, 

 showing the so-called suspensor. Figs. 2-4. stages in the development of the ovule of the 

 orange showing various degenerative changes which result in embryo abortion; should the 

 fruit mature it would be seedless. {After Osawa.^"") 



