MUTATIONS, VARIATIONS, AND RELATIONSHIPS OF THE OENOTHERAS. 4 1 



Fig. 24. — -Correlation in buds of O. lamarcki- 

 ana from Hilversum. Lengtli of bud- 

 cone subject, thickness of bud-cone 

 relative. Coefficient of correlation, 

 0.7852 ± 0.0204. 



Fig. 25. — Correlation in the buds of Oenothera 

 lamarckiana. No. 04129. Length of bud-cone 

 subject, thickness of bud-cone relative. Coeffi- 

 cient of correlation, 0.8732 ± 0.0127. 



Fig. 26. — Correlation in the bud of Oeno- 

 thera lamarckiana. No. 04113. Length 

 of bud-cone subject, thickness of bud- 

 cone relative. Coefficient of correla- 

 tion, 0.8289 ±0.0166. 



Fig. 27. — Correlation in the buds of Oenothera 

 lamarckiana from Hilversum. Thickness 

 of ovary subject, thickness of hypanthium . 

 relative. Coefficientof correlation, 0.5727 

 ±0.0358. 



