124 



formation found in Aucuba, sufFers from one exception in 

 the family. So in Cornus florida, as reported by Morse 

 (1907). In this plant no walls separate the four megaspore 

 nuclei; they remain in the same mass of cytoplasm, where 

 the upper three of them degenerate. 



The development of the gametophyte of Aucuba, 

 posterior to megaspore formation, has proved to be 



Fig. 11. 



remarkably uniforme and as it 



does not in any respect deviate 



from the normal type amongst 



Angiosperms, no figures or 



description were deemed neces- 



sary. The ripe embryosac 



contains the two rather big 



synergids — with the charac- 



teristical reticulated appearance 



topwards — the well defined eggcell, the two polars and 



the three minute antipodals (fig. 11). 



Fig. 12. 



