48 MUTATIONS, VARIATIONS, AND RELATIONSHIPS OF THE OENOTHERAS. 



Fig. 48. — Correlation in the buds of Oenothcrj, 

 rubrinenis. No. 04113. Thicknessof ovary 

 subject, thickness of hypanthium relative. 

 CoefiBcient of correlation, . 7026 ± . 0270.- 



Fig. 49. — Correlation in the buds of 

 Oenothera rubrinervis, No. 04137. 

 Thickness of ovary subject, thick- 

 ness of hypanthium relative. Coef- 

 ficient of correlation, . 504 1 ± 0. 04 1 6. 



Fig. 50. — Correlation in the buds of Oeno- 

 thera rubrinervis, 'Ho. 04113. Thickness 

 of ovary subject, thickness of cone rel- 

 ative. Coefficient of correlation, 0.6310 

 ± 0.0321. 



Fio. 51. — Correlation in the buds of Oeno- 

 thera rubrinervis, Xo. 04137. Thick- 

 ness of ovary subject, thickness of 

 bud-cone relative. Coefficient of cor- 

 relation, 0.5006 ±0.0418. 



