=Experiment.=--Plant several kernels of corn in moist soil in a glass
tumbler or jar. Put one kernel at the bottom and against the side of
the glass, place the next one a half inch or an inch higher and an
inch and a half to one side of the first seed and against the glass.
Continue this till the top of the glass is reached (Fig. 2). Leave the
last seed not more than one-fourth inch below the top of the soil. The
soil should be moist at the start and the seeds should all be against
the glass so they can be seen. This can best be done by planting as
you fill the glass with soil. Plant peas and beans in the same way. Do
not water the soil after planting. Set aside in a warm place and wait
for the seeds to come up.

Another method of performing this experiment is to make a box having
one side glass (Fig. 46). The length and the depth of the box will
depend upon the size of the glass you use. Fill the box nearly full of
moist soil and plant seeds of corn and beans and peas at depths of
one-quarter inch, one inch, two inches, three inches, and four
inches. These seeds can best be put in as the box is being filled.
Hold each individual seed against the glass with a stick so that when
planted they may be seen through the glass. Protect the seeds and
roots from light by using a sheet of cardboard, tin or wrapping paper
or a piece of board, and set in a warm place.

Many of the seeds planted only one-quarter inch deep will not sprout
because the soil about them will probably dry out before they take
from it enough moisture to sprout. The one and two-inch deep seeds
will probably come up all right. Of the three and four-inch deep
seeds, the corn and peas will probably make their way to the surface
because they send up only a slender shoot, which can easily force its
way through the soil. The deep-planted beans will make a strong effort