52 MUTATIONS, VARIATIONS, AND RELATIONSHIPS OF THE OENOTHERAS. 



FIG. 60. Correlation in the buds of Oenothera gigas. Thickness of ovary 

 subject, thickness of hypanthium relative. Coefficient of cor- 

 relation, 0.8385 0.0210. 



FIG. 61. Correlation in the buds of Oenothera gigas. 

 Thickness of ovary subject, thickness of bud-cone 

 relative. Coefficient of correlation, 0.4750 

 0.0747. 



FIG. 62. Correlation in the buds of Oenothera gigas. 

 Thickness of hypanthium subject, thickness of 

 bud-cone relative. Coefficient of correlation, 

 0.4822 0.0543. 



