OENOTHERA LAMARCKIANA. 545 



LITERATUR. 



Cleland, R. E., The reductiondivisions in the pollen mothercells of Oenothera 

 franciscana. American Journ. of Botany 9, S. 391. 1922. 



Gates, R. R., The trisomic mutations of Oenothera. Annals of Botany, Vol. 37. 

 S. 543. 1923. 



Shull, G. H. .Further evidence of linkage with crossing over in Oenothera. Gene- 

 tics, Vol. 8, S. 154. 1923. 



De Vries, Hugo, New dimorphic mutants of the Oenotheras. Bot. Gaz., T. 62, 

 S. 249. 1916. Opera VII, p. 83. 



De Vries and K- Boedyn, On the distribution of mutant characters among 

 the chromosomes of Oenothera Lamar ckiana. Genetics, Vol 8, S. 233. 1923. 

 Opera VII, 509. 



De Vries, Hugo, Ueber Scheinbastarde. Die Naturwissenschaften, 1924. Heft 

 9. Opera VII, 531. 



, Mutationen und Pramutationen, a. a. O., 1924, Heft 14. Opera VII, 



p. 515. 



(Berichte der deutschen botanischen Gesellschaft, Bd. 42, 1924, S. 174). 



35 



