MUTATIONS, VARIATIONS, AND RELATIONSHIPS OF THE OENOTHERAS. 37 



FIG. 14. Correlation in the buds of Oenothera lamarckiana, 

 No. 04113. Length of ovary subject, length of bud- 

 cone relative. Coefficient of correlation, 0.5720 i 0.0358. 



FIG. 15. Correlation in the buds of Oenothera lamarckiana 

 from Hilversum. Length of ovary subject, thickness of 

 ovary relative. Coefficient of correlation, 0.5997 0.0341. 



