INHERITANCE OF SEX IN MERCURIALIS ANNUA 
were transplanted to the open after they had made sufficient growth. 
They continued their growth until the end of the season. 27 produced 
Table 3. F2 Generation from Female Plants 
Plant 
nil 
III2 
III3 
Xx 
X2 
Vi 
V2 
V3 
V4 
X3 
X4 
X5 
Xe 
X7 
u 
u 
III4 
III5 
Vs 
Ve 
V/ 
Vs 
XXIi.... 
XXI2.... 
XXI3.... 
XXI4.... 
XXI5.... 
XXVi . . . 
XXVI 1 1 . 
XXVI 1 2 . 
XXVI 1 3 . 
A, 
^2 
£1 
£2 
u 
u 
/: 
V9 
Total. . . . 
Date of 
Plant- 
ing 
Oct. 
April 
May 
June 
March 
April 
C915 
May 
Plant injured 
Plant injured 
43 
June 
24 
24 
Decem- 
ber 
75 
1916 
January 
39 
February 
14 
24 
25 
Age of Plant 
at Death 
months 
I 
I 
I 
10 
II 
8 
12 
12 
12 
10 
12 
7 
12 
II 
5 
12 
II 
9 
II 
6 
II 
12 
II 
12 
6 
10 
II 
8 
9 
9 
II 
II 
* Swollen ovaries; no seed set. Total male flowers 35. 
seeds within that time while 91 failed to produce any seeds. They are 
recorded in table 4. 
A total of 505 seeds were produced by 20 of the 39 F2 plants under 
observation. 
