50 MUTATIONS, VARIATIONS, AND RELATIONSHIPS OF THE OENOTHERAS. 



FIG. 56. Correlation in the buds of Oenothera gigas. Length of 

 ovary subject, thickness of ovary relative. Coefficient of corre- 

 lation, 0.6360 0.0421. 



FIG. 57. Correlation in the buds of Oenolhera gigas. Length of hypanthium 

 subject, length of bud-cone relative. Coefficient of correlation, 0.5273 

 0.0510. 



