

Fig. 26a. The first artificially produced plant hybrid and its parents. A, Nicotiana paniculata; B, 

 N. rustica var. humilis; C, Fi hybrid between A and B; D, individual flowers of the hybrid (middle), 

 of N. paniculata (right) , and of N. rustiea (left). Photographs by Prof. E. M. East, from his repetition 

 of Kolreuter's pioneer experiment. 



