Genetieal Studies on Oenothera. V. 



181 



Stigma lobes. 2 — 5 mm. long, generally 

 projecting somewhat beyond the anthers'). 



Capsules. Generally stunted and irregular 

 in form because of the small yield of 

 seeds when self-pollinated. 



Stigma lobes. 2—5 mm. long, generally 

 projecting somewhat beyond the anthers'). 



Capsules. Generally stunted and irregular 

 in form because of the small yield of 

 seeds when self-pollinated. 



The peculiarities of the reciprocal crosses mnricata X biennis and 

 biennis X muricata seem to me to lie not so much in the marked ten- 



Fig. 11. Rosette of hybrid, biennis /.[ mnricata, nearly mature, a loose cluster of narrow- 

 elliptical, plane leaves. Strongly patrodinous in general morphology, but showing some 

 evidence of the influence of the biennis parent in leaves somewhat broader and less 

 clearly toothed than those of muricata. Compare with Fig. 4, muricata, and contrast 

 with Fig. 10, muricata X biennis. 



dencies of certain of their characters to resemble those of their parents 

 as in the striking differences which the}' exliibit when compared with 

 one another. In this respect my cultures fully confirm the observations 



') Possibly because the anthers are generally somewhat shriveled, frequently sterile, 

 or producing only a small quantity of pollen. 



