BOTANICAL GAZETTE 



[FEBRUARY 



- - - S cr^ 



Fig. 0. — F, progeny of Oenothera praliitcola mut. nummtdaria. Lexington C-17 

 the plant in the upper left-hand corner, Lexington C-17-3, is 0. pralincola mut. torliiosa 

 here occurring as a secondary mutation, but seemingly the same as one of the very 

 rarest priman,- mutations of 0. pralincola; the other plants are typical e.xamples of 

 mut. niimmiilaria. 



