44 MUTATIONS, VARIATIONS, AND RELATIONSHIPS OF THE OENOTHERAS. 



Fig. 37. — Correlation in the buds of Oenothera ruhrincrvis, Xo.'04137. Length of ovary subject, length 

 of hypanthium relative. Coefficient of correlation, 0.2211 ± 0.0531. 



Fig. 38. — Correlation in the buds of Oenothera rubrinervis, Xo. 04113. Length of ovary subject, length 

 of bud-cone relative. Coefficient of correlation, 0.5976 ± 0.0343. 



Fig. 39. — Correlation in the buds of Oenothera rubrinenns. No. 04137. Length of ovary subject, length 

 of bud-cone relative. Coefficient of correlation, 0.2464 ± 0.0524. 



