STUDIES ON THE GENETICS OF FLOWER-COLOURS, ETC. 
107 
Table V. 
F z -generation (1919). 
Fj-parent 
No. of plants 
selfed 
No. of F 2 -offspring 
Magenta 
White 
Orange 
Totals 
"White-II x magenta 
8 
509 
163 
0 
672 
* 
** 99 99 
1 
107 
48 
1 
156 
>♦ 99 99 
1 
10 
2 
1 
13 
Totals 
10 
626 
213 
2 
841 
Expected 
630'75±l2-6 
210-75+12-6 
0 
811 
tlie red in this case might be due to the so-called “loss-mutation,” (s.p.127). 
If what is above stated will be taken into consideration we have clearly to 
think the first three magenta parents to be of the composition CcIxIlBH, 
For pseudo-white s. p. 119. 
