PLATE V 
Fig. 12. Slightly younger stage than the preceding, with antipodal 
haustorium relatively farther advanced than the basilar outgrowth 
Fig. 13. Showing invasion of the receptive ‘tissue by the micropylar 
haustorium with its prominent endosperm nuclei 
Fig. 14. Later stage in which the cell walls have disappeared from the 
receptive tissue, and showing the peculiar nuclei lying in the cavity; the 
endosperm nuclei are the more darkly staining 
Fig. 15. Pollen grain 
