The Mode of Inlieritance of Semi-Stcriiity iu tlie Offspring of Certain Hybrid Plants. ;-i;^7 



Numbers of aborted ovules iu Uie distal halves of six pods of the pro- 

 genies of the Fa semi-sterile plants. White plants only. 



Only 7 black plants produced pods; 3 with uormal, and 4 with semi- 

 sterile pollen. 



Numbers of pods with no aborted ovules in the whole pod, out of six pods from 

 each plant of the progenies of the semi-sterile second-generation parents. 



Induktive Abstammunga- 



erbungslehre. XII. 



