406 
LOCK : STUDIES IN PLANT BREEDING 
three dimpled to one wrinkled. And the evidence goes to show that 
this expectation was fulfilled, although no examination of starch 
grains was made for the reason that the seeds were required for 
sowing.* 
In colour the testas of these peas closely resembled those of No. 2 ; 
but the ground colour was in all cases of a distinctly yellowish shade 
such as appeared only exceptionally in No. 2. On the whole we may 
fairly say that there was full dominance of the colour characters of 
the testa of No. 2. The flowers also and leaf axils were coloured like 
those of the parent. The form of the foliage was more or less inter¬ 
mediate. 
C .—The Subsequent Generations. 
In F 2 no distinction was to be recognized between the separate 
offspring of the above four plants. The 25 plants of this generation 
may therefore be described together.*)* The majority of the characters 
to be considered are epitomized in the following table :—• 
Number. 
F 
2 • 
F g . 
Height 
(Inches). 
| Number of 
j Nodes. 
I Average Length 
of Internodes, i 
Branches. 
Character of 
Testa. 
j Seeds Sown. 
J Plants Gathered. 
m.p. 
m. 
P- 
f. 
w. 
Plants with long 
Internodes. 
Plants with short 
Internodes. 
440&.1 
85 
42 
2*0 
1 
mp 
50 
36 
26 
5 
5 
* 
441.2 
90 
31 
2*9 
2 
P 
20 
9 
— 
— 
9 
— 
— 
* 
* 
.3 
75 
42 
1*8 
3 
m 
30 
24 
— 
18 
— 
— 
6 
* 
* 
.4 
83 
41 
2*0 
8 
mp 
150 
88 
48 
8 
7 
5 
20 
* 
.5 
20 
17 
1*2 
— 
w 
3 
3 
— 
— 
— 
— 
3 
* 
.6 
16 
14 
1*1 
— 
P 
3 
1 
— 
— 
1 
— 
— 
* 
.7 
24 
20 
1*2 
f 
20 
18 
— 
— 
— 
18 
— 
* 
1 
m = marbled with brown ; p = spotted with purple ; f = grey with faint 
bluish dots ; w = white. 
* Such an examination was however applied to the seeds of a later genera¬ 
tion, with results which fully confirm the conclusion here arrived at. 
t As a matter of fact the offspring of the reciprocal crosses 440 and 441 
could not be distinguished owing to the labels having been accidentally 
shifted. 
