MUTATIONS, VARIATIONS, AND RELATIONSHIPS OF THE OENOTHERAS. 53 



FIG. 63. Correlation in the buds of Oenolhera lata. Length of ovary subject, length of 

 hypanthium relative. Coefficient of correlation, 0.0944 0.0565. 



FIG. 64. Correlation in the buds of Oenothera lata. Length of ovary subject, length 

 of bud-cone relative. Coefficient of correlation, 0.6382 0.0338. 



'FlO. 65. Correlation in the buds of Oentthera 

 lata. Length of ovary subject, thickness 

 of ovary relative. Coefficient of correla- 

 tion, 0.3568 . 0497 . 



