MUTATIONS, VARIATIONS, AND RELATIONSHIPS OF THE OENOTHERAS. 53 



Fig. 63. — Correlation in the buds of Oenothera 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. 



Fio. 65. — Correlation in the buds of Oenothera 

 lata. Length of ovary subject, thickness 

 of ovarv relative. Coefficient of correla- 

 tion, 0.3568 ±0.0497. 



