THE SEED. 
131 
Examine the kernel of each of the kinds of seed 
yon have planted, and observe which consist of embryo 
alone, and which are part embryo and part albumen. 
At the same time, write in your note-book, as 
before, the results of observation. For example, to 
the question, Parts of the body ? write for Indian 
corn, Parts of body ? A Ibumen . Embryo . For 
Pea. Parts of body ? Embryo . 
EXERCISE XLIV. 
Parts of the Embryo . 
Take out of the soil a bean which has begun to 
sprout. Remove the seed-coat, and let the parts of 
the embryo separate, as seen in Figs. 224 and 225. 
Fig. 224. 
Plumule. Kadicle. 
Fig. 225. 
Cotyledon.— The bulky first leaf or leaves of the 
embryo—more or less formed in the ripening of the 
seed. 
Radicle.— The lower end of the embryo, from 
which the root proceeds. 
Plu'mule.— The first—the terminal bud—the up¬ 
per end of the embryo. 
Gekmina'tion.— The beginning of growth in a seed. 
