268 



PHYLLODY 



of the former, so that many intermediate stages could 

 be traced between the ordinary ovule and the ovary 



Fio. 146. 1. Placenta of Dianthus, bearing ovules and carpds. 

 2. One of the ovaries sepai-uted. 



Fia. 1-47. Ovules of Dianthus passing into carpels. 



(fig. 147, 1, , 2, b). Some of these carpels, thus 

 derived from the ovules, themselves bore secondary 

 Ovules on a marginal placenta, as shown in the sec- 

 tions at (*, d, e. Could such a change occur in the 

 animal kingdom, there would be the unfertilised ovum 



