intefjiunents have not yet closed up the micropyle ('F'if^. 

 19). The tubes do not appear at this tirae to have any 



or<rw 



defitiite direction of "growth, but down beside the ovule 

 or into +he wide-open micropyle, or between the intef^- 

 ui'ients. The cuurse to the egg-cell is through the mi- 

 cropyle and down the tip of the nucellus tlirough the 

 tissue derived from the tapetal cells, which stains 

 deeply at the time and is probably conductive tissue. 

 The trans ferrence of the male nucleus has not been ob- 

 served, but fertilization takes place about the middle 

 of May, -vhich is from five to seven months after pollin 

 ation. 



Endospei 



The antipodals very early disappear. The first 

 result o^ fertilization is apparent in i-he action of 

 the endosperm nucleus. Tiiis begins irimodiately to di- 



