7 ° 
THE GARDEN OF THE WORLD 
radishes, turnips, beets, sweet potatoes, parsnips, 
and carrots. Root vegetables do not have as 
much starch as tubers, but they contain many 
mineral salts which people must have, and they 
are coarse and rough. We cannot get along 
with only soft, tender food. 
3. Bulbs give us only one common vegetable 
—the onion. A bulb is an underground bud 
that is full of food to help the young plant to 
grow quickly. The food is just as good for 
human beings as for the young plant. 
4. Leaves give us some of our most healthful 
vegetables, for although they do not contain 
much starch, they are full of minerals, vitamins, 
and supply the coarseness which we need. Spin¬ 
ach is the most common leaf food. Cabbage, 
lettuce, and celery are also leaf foods, although 
most of the stalk is eaten too. 
5. Bruits which are not especially sweet are 
also called vegetables. Tomatoes, pumpkins, 
cucumbers, and squash are all fruits. They are 
he water and minerals 
A common 
bulb, leaf, 
and fruit 
