STORAGE ROOMS 
75 
beans, and peas; and those which are all in one 
piece. The ones which split in two are the 
most interesting because you can see the embryo 
The storage room of some seeds is split in 
two, others are all in one piece 
so plainly. In the one-piece seeds, the baby 
plant is curled up in a mass of starchy matter 
and the whole is covered with the seed coat. 
The storage part of the seed is called a cotyledon 
(pronounced kot'i-li'don) and if it is all in one 
