Fig. 9. 
Fig. 10. 
ll. 
ic 13, 
The 16-nucleate perp of Peperomia, Four megaspores, 
a chalazal group, both of two nuclei only. Eight fusing nuclei 
The 16-nucleate embryosac of Euphorbiaceae and Penaeaceae. Four megaspores, all of them only 
ee a micropylar group, Four ee clei 
6-nucleate embryosac of Gunnera. Two megaspores, both fully developing. Seven fusing nuclei. 
3 16-nucleute embryosac of Pyrethrum sthrifs lium. Two megaspores, both fully developing. 
each developing a micropylar and 
&f 
