514 OENOTHERA NANELLA, HEALTHY AND DISEASED. 



as narrowly elliptical and as clearly stalked as those of the Lamarcki- 

 ana itself, whilst the flowers were free from those abnormalities 

 which usually accompany the dwarfish stature. 



Thus we see that the discovery of Zeylstra, far from diminishing 

 the value of Oenothera nanella as a real and (in an experimental 

 way) most useful mutant, has given the means of cultivating it in 

 as healthy a condition as may be required. 



(Science, N. S., Vol. XXXV, Pages 753-754, Mag. 10, igi2.) 



