AGRICULTURAL EXPERIMENT STATION. 



45 



were found, but no embryo was present, while most of the ovules 

 were only one-eighth to one-fourth inch in length. There are few 

 if any insects in a forcing house in midwinter which would be 

 likely to carry pollen ; and it is probable that fruits left to natural 

 conditions received no pollen. 



Other varieties exhibit characteristics peculiar to themselves, 

 when pollen is withheld, " Blue Gown," for example, is almost 

 invariably withered and shrunken at the apex or " blossom end," 

 as shown in Figure 6. The same tendency is shown by the 

 " Duke of Edinburg." No seeds are developed in these fruits, 

 and at maturity they are often hollow at the lower end as shown 

 in Figure 7. 



Fig. 6. Blue Gown, not PoUinattd. 



Fig. 7. Duhe of Eclvibu^g, not Pollinated. 



