baal . 
am 3 
shell, or seed coat, is sometimes left 
HOW SEEDLINGS COME UP 3 
usually escapes while still buried in the soil. 
As the loop straightens out, these two thick 
portions spread wide apart in the light and 



become green. 
There are little lines 
on them resembling 
the “veins” onsome —.\ 
leaves Are these _— ia Mare seechnee narnitie from the ground, 
two parts of the showing loop and opening cotyledons. 
marrow seed real leaves? Look down between them 
where they join the stem. Very young leaves are 
srowing out from between them. 
eh. <i The sunflower seedling. - The sun- 
>, flower seedling comes up with a loop, 
Fic. 8. Loop on stem of é 
sunflower as it comes dragging the seed 
from the ground. 
on one end. The 



in the ground, because it splits farther 
through when the root wedges its “ 
out. But often the seed coat 
clings to the tips of the cotyle- 
dons until the plant straight- 
ens. Then the cotyledons 
usually spread far apart. The 
seed coat of the marrow ~~ 
Fia.9. Seedlings of sunflower casting 
sometimes clings to the tips seed coats as cotyledons open. 
of the cotyledons until the sunlight prises them apart. 
