B 



A 



Fig. 50.— .-1, Globularia cordifolia, the micropylar end of the embryo-sac has grown 

 out into an extensive haustorium furnished with nuclei from the endosperm;/", 

 funiculus; after Billings. 100 J?, Plantago lanceolata, longitudinal section of ovule 

 after embryo is somewhat advanced, showing extensive haustorial system; after 

 Balicka-Iwanowska. 88 C, Stylidium squamellosum, embryo-sac after second 

 division of endosperm nucleus; e, egg;/', pollen-tube; after Burns. 65 />, Byblis 

 gigantea, longitudinal section of seed with branching haustoria in both micropylar 

 and antipodal regions ; A, haustorium ; </, embryo ; e, endosperm ; after Lang. 91 



107 



