Fig, 21. Lamarckiana. 



Fig. 23. Oblonga. 



Fig. 25. Lata. 



Fig. 24. Scintillans. 



Fig. 26. Nanella. 



Oenothera Lamarckiana and Some of its Mutants 

 Figs. 21-24, inflorescence and leaf from base of main stem; 25, inflorescence only; 



26, entire plant. (From Davis.) 



