PLATE 17 



«. A cross-section of an ovule-bearing petal described under rootstocks 5 

 and 6 on pages 79 and SO. 



b. View of the abnormal jiistil and increased number of stamens cliaracter- 

 istic of the abnormal shoots of the rootstock described under 7 on page 80. X 2. 



c. Pistil of one of these same abnormal shoots showing the ovary opened 

 longitudinally. X 2. , 



d. One of the intracarpellary pistils of the flower from tlie rootstock de- 

 scribed under 4 on page 79. X S. 



[100] 



