170 
THE BEHAVIOUR OF PLANTS 
ig an example of another kind of pod, which opens only 
along one edge. The convolvulus has a pod, or cap- 


VP — 
you next have some berries you will find it 
interesting to learn what parts of the flower 
sule fruit, with three chambers or locules, 
WZ VB each one representing a part of the pistil. 
Can you name and describe 
é WY ’ VYZZ other pods? How should you 
ww 

describe a pod or 
AI Z capsule fruit ? 
g Zi, S Drupes or stone 
a fepitie: 2 Tike 
cherry, peach, 
Fic. 208. Fruit of bur marigold, 
or beggar needles. 
plum, and other 
fleshy fruits of 
this kind are called drupes or stone 
fruits. The outer part of the wall of 
the pistil becomes fleshy, 
and the inner part hard and 
stony, and contains the meat 
or seed inside. 
The strawberry. When 

An achene of bur 
make the edible portion of the fruit. In the . "7 

FIG.210. Achen 
of buttercup. 
marigold, the 
strawberry you can see the tiny Tyootiack.” 
seeds, each resting in a tiny de- 
pression, as if they were stuck all over 
the outer part of the pulp or soft part of 
