540 Length of the Fruit m Oenothera Lamarckiana. 



continued. Three individuals from it were chosen as 

 seed-parents; the mean lengths of their five lowest fruits 

 measured as above were 20.6, 20.6 and 32.6. For the 

 sake of greater certainty I also measured all the ripe 

 fruits on these stems (27-33 fruits each) and found the 

 mean values for the plants to be 19.0, 19.2 and 31.3. 

 The seed of the single long-fruited stem was sufficient 

 for the culture of 1892; but I had to take two of the 

 short-fruited ones to get a sufficient quantity of seed. 



HARVEST OF 1892. 



In 1892 I set apart a bed of 4 square meters for each 



