IS. B. M. Davis - A much desired Oenothera. 



14, H, H. Bartlett - Additional evidence of mutation in 

 Oenothera. 



15. B. M. Davis ' - The test of a pure species of Oenothera. 



16. R. H. Gates - Studies of inheritance in the evening 



primrose. 



17. - Abnormalities in Oenothera, 



18. - Recent papers on Oenothera mutations. 



19. - Some Oenotheras from Cheshire and Lan- 

 cashire, 



20, - On successive duplicate mutations. 



