THE PARTS OF THE SEED 99 
ever examine a kernel of maize after the seedling had 
been growing some time? ‘There is scarcely anything 
left but the old and darkened seed coat. It is nearly 
hollow within. Zhe meat which formed most 
of the inside of the kernel has disappeared. 
What has become of it? I think every one 
who has examined the maize in this way can rie. 46. 
tell. Jt has gone to form food for the young nome see 
tion showing 
maize plant. The substance which is used by other view 
of embryo of 
the embryo for food is called endosperm. pic ae 
Is there endosperm in the seeds of the 
marrow, the bean, the pea, and the sunflower? That 
is perhaps a hard question for you to answer. It is a 
difficult matter to explain without taking a good deal 
of time. But I will ask a few more ques- 
&s tions, and then perhaps you can guess. 
jae ees Where does the germinating marrow, sun- 
wheat seed show- flower, bean, or pea seedling find its food 
ion. before itican vet a sufficient amount from 
the soil? If from the cotyledons, or first leaves, where 
did they obtain the food to become so big in the seed ? 
What about the papery limmg in the marrow and sun- 
flower seed ? 
