Stomata and Hydathodes in Campanula rotundifolia L. 69 
Table VII. Data concerning the hydathodes of the Shade Shoot. 
Leaf 
position 
on shoot 
1 st = lowest 
15 th = highest 
Apical 
group 
Groups 
right 
margin 
No. of 
pores 
right 
margin 
Groups 
left 
margin 
No. of 
pores 
left 
margin 
Total 
no. of 
pores 
per leaf 
r 15 th 
20 
4 
upper = 15 
5 
upper- =8 
99 
most 
middle = 9 
upper = 13 
lower = 6 
middle = 11 
<D 
basal = 5 
lower = 6 
basal = 6 
T3 
<D 
14th 
22 
4 
upper = 15 
4 
upper = 12 
94 
E 
middle = 11 
middle = 9 
<5 
lower = 8 
lower = 8 
basal = 4 
basal = 5 
13 th 
21 
4 
upper = 15 
4 
upper = 13 
98 
middle = 10 
middle = 7 
lower = 9 
lower = 12 
basal = 5 
basal = 6 
12 th 
17 
3 
upper = 11 
4 
upper =10 
75 
middle = 12 
middle = 9 
lower = 7 
lower = 8 
basal = 1 
nth 
11 
3 
upper = 15 
4 
upper = 12 
75 
middle = 8 
middle = 10 
lower = 9 
lower = 8 
basal = 2 
10th 
13 
4 
upper = 14 
3 
upper = 11 
76 
middle = 11 
middle = 9 
lower = 9 
lower = 6 
basal = 3 
9th 
12 
3 
upper = 8 
3 
upper = 3 
56 
middle = 10 
middle = 8 
lower = 6 
lower = 9 
8th 
15 
3 
upper = 7 
3 
upper= 9 
61 
middle = 8 
middle = 7 
lower = 7 
lower = 8 
r O 
7th 
12 
3 
upper = 9 
3 
uppers 9 
53 
PJ 
middle = 6 
middle = 8 
p < 
4f 
lower = 4 
lower =: 5 
O 
Ph 
6th 
15 
3 
upper = 10 
3 
upper = 7 
56 
middle = 8 
middle = 7 
lower = 4 
lower = 5 
5th 
14 
3 
upper = 8 ? 
3 
upper = 7 
46 
middle =7? 
middle = 5 
lower — 3 ? 
lower = 4 
4th 
14 
3 
upper = 9 
3 
upper = 10 
61 
middle = 8 
middle = 8 
lower = 6 
lower = 6 
3rd 
12 
3 
upper = 10 
3 
upper = 6 
52 
middle = 10 
middle = 7 
lower = 4 
lower = 3 
2nd 
8 
3 
upper = 9 
2 
upper = 9 
39 
J 
middle = 5 
middle = 5 
lower = 3 
^ 1st 
9 
2 
— 
2 
middle = 9 
middle = 9 
44 
lower = 9 
lower = 8 
: i ..i 
Total = 
= 985 
The ? indicates that the number is correct to one or two pores (see fig. i) 
For data concerning the hydathodes of the Sun Shoot, see p. 70. 
