THE WHITE LILY 18] 



as similar variations are found within the limits of 

 both Monocotyledons and Dicotyledons. In the 

 Wallflower we found that the original archesporial 

 h 



FIG. 81. Longitudinal section through part of the stigma of 

 a Lily, showing germinating pollen-grains, h, papillae 

 of stigma ; p.g, pollen -grains ; t, pollen -tubes. Highly 

 magnified. '(After Dodel-Port. ) 



cell underwent several divisions before the embryo-sac 

 was finally marked off. In the Lily the matter is 

 simpler : a cell of the middle row of the nucellus, next 

 under its epidermis, grows larger than the rest, and 



