
4 THE GROWTH AND PARTS OF PLANTS 
pea, then, must have been left in the ground. When — 
we have seen how the other seedlings come up, we 
can plant more seeds in such a 








way as to see just how each seed 
germinates, and learn the reason 
for the different behaviour of the 
seedlings In coming from 
the ground. 
The marrow seedling 
also comes up in a loop, 
and on one end of the 
loop, as it 1s 
being lifted 
through the 
soil, we see ||) 4 
ooo Plat,’ = Vass 
rather thick Fig. 5. Bean seedlings straightening up; the plumule and 
spreading leaves showing from between the cotyledons. 


parts. To- 
gether they are about the size of the marrow seed. 
By looking carefully we may sometimes find the old 
shell, or seed coat, still clinging to the tips 
of these parts of the seed; the shell is split 
| part way down only, and so pinches tightly 
Lge. over the tips. Usually, however, it is left 

OF Selec empty in the ground. 
ve" ‘Tt will be interesting later to see how 
this little marrow plant gets out of its shell. It 

