48 MUTATIONS, VARIATIONS, AND RELATIONSHIPS OF THE OENOTHERAS. 



FIG. 48. Correlation in the buds of Oenothera 

 rubrinervis, No. 041 13. Thicknessof ovary 

 subject, thickness of hypanthium relative. 

 Coefficient of correlation, . 7026 i . 0270.- 



FIG. 49. Correlation in the buds of 

 Oenotltera rubrinen-is, No. 04137. 

 Thickness of ovary subject, thick- 

 ness of hypanthium relative. Coef- 

 ficient of correlation, 0.5041 0.0416. 



FIG. 50. Correlation in the buds of Oeno- 

 . thera rubrinervis, No. 04113. Thickness 

 of ovary subject, thickness of cone rel- 

 ative. Coefficient of correlation, 0.63 10 

 0.0321. 



Fio. 51. Correlation in the buds of Oeno- 

 thera rubrinervis. No. 04137. Thick- 

 ness of ovary subject, thickness of 

 bud-cone relative. Coefficient of cor- 

 relation, 0.5006 0.0418. 



