B 



Fig. 50. — A, Gldbularia cordifolia, the mieropylar end of the embryo-sac has grown 

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

 funiculus; after Billixos.'oo B, Plantago lanceolata, longitudinal section of ovule 

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

 Balicka-Iwanowska. 68 C\ StyliJium squameUosum, embryo-sac after second 

 division of endosperm nucleus: e, egg', /'. pollen-tube; after Burns. 86 /', BybUt 

 gigantea. longitudinal section of seed with branching haustoria in both mieropylar 

 and antipodal regions; h, haustorium; g, embryo; e, endosperm; after Lano. m 



107 



