AGRICULTUKAL EXPERIMENT STATION. 



51 



side is largely due to fertilization of the ovules and the conse- 

 quent growth of the placentae ; but that there is a further cause is 

 indicated by the growth of the other side. Whether these results 

 point to the possibility of securing seedless tomatoes by reducing 

 the amount of pollen employed, is questionable. In no case have 

 we secured fruit when all pollen was excluded, and in every case 

 the size of the fruit was in direct proportion to the amount of 

 pollen used. 



Fig. 12. Different Amounts of Pollen. 



Fig. 13. Bi^erent Amounts of Pollen. 



