PARTHENOGENESIS 



second experiment on the same plant to confirm this 

 first one, and proceeded in exactly the same manner. 

 On the same day I experimented with another plant, 

 using the same precautions. This plant was a 

 hybrid of Fi N. Tahaccum Cuba x N. Fi P.* 

 {N. Sylvestris x N. Sander (v :< N. affinis F\ R.*) 

 On August 1st, the eighth day after, all the capsules 

 were found set on both these plants. I now deter- 

 mined to test every Nicotiana species and variety and 

 hybrid flowering in my greenhouse and garden, and 

 succeeded in setting parthenogenetic seed on the 

 following : — 



* R. = red. * P. = purple. 



