IN THE TROPICS. 
407 
Number. 
F 
F,. 
Height 
(Inches). 
Number of 
Nodes. 
1 Average Length 
1 of Nodes. 
Branches. 
Character of 
Testa. 
Seeds Sown. 
1 
Plants Gathered 
m.p. 
m. 
p. 
f. 
w. 
Plants with long 
Internodes. 
Plantswith short 
Internodes. 
.8 
29 
16 
1*8 
f 
2 
1 
1 
* 
.9 
107 
47 
2-3 
5 
w 
40 
— 
. 
. 
# 
* 
.10 
94 
44 
2-1 
4 
P 
40 
21 
— 
— 
13 
3 
5 
* 
* 
.11 
95 
37 
2-6 
9 
mp 
60 
32 
16 
9 
1 
3 
3 
* 
. 12 
110 
41 
2-7 
6 
w 
40 
4. 
4 
* 
* 
.13 
103 
40 
w 1 
2-6 
4 
w 
10 
T 
3 
_ 
_ 
_ 
_ 
3 
* 
* 
.14 
70 
29 
2-4 
— 
mp 
8 
7 
3 
— 
1 
— 
3 
* 
* 
.15 
104 
42 
2-5 
5 
mp 
60 
20 
11 
1 
— 
— 
8 
* 
* 
.16 
62 
54 
1-1 
5 
mp 
20 
— 
. 
. 
. 
. 
* 
439.1 
58 
23 
2-5 
1 
P 
25 
17 
— 
— 
12 
— 
5 
* 
* 
.2 
49 
18 
2*7 
— 
P 
10 
2 
— 
! — 
2 
— 
— 
* 
. 
.3 
25 
21 
1*2 
' — 
P 
6 
— 
# 
. 
.4 
80 
43 
1*9 
20 
mp 
80 
61 
30 
7 
— 
— 
24 
* 
* 
.5 
78 
37 
2-1 
4 
mp 
60 
44 
18 
3 
8 
1 
14 
* 
. 
.6 
tall 
mp 
110 
66 
34 
16 
— 
— 
16 
* 
* 
.7 
80 
44 
1-8 
— 
mp 
8 
7 
5 
2 
— 
— 
— 
* 
.8 
85 
38 
2-6 
1 
m 
26 
2 
— 
2 
— 
— 
— 
* 
.9 
dwa 
rf 
w 
• 
♦ 
9 
• 
• 
• 
• 
As regards habit there was a great deal of variation. Some of the 
plants were very robust, whilst others—dwarfs, which were soon 
overgrown by the former—were very feeble. If we consider the 
character average length of internodes, we find an obviously Men- 
delian behaviour. 
Thus, in F ft 19 plants had internodes 1*8 to 2*9 inches in length, 
and 6 plants had internodes 1-0 to 1*2 inches in length. 
The latter produced in F 3 exclusively offspring with an average 
length of internodes of less than 1*3 in. Of the former 9 produced 
only offspring with long internodes in F 3 (T6 in. long and upwards), 
but in a few cases there were only one or two plants per parent, and 
some of them should therefore perhaps be added to the number of the 
heterozygotes, namely, 10 plants, which produced both offspring with 
long and with short internodes in F 3 . 
