Chapter I

=Imbricated=, _a._ L. _imber_, rain, _imbrex_, a hollow roof tile to
shed rain; _imbricare_, to cover with roof tiles; lying over one
another, or lapping, like tiles on a roof. Applied to sepals that
overlap over a bud.

=Included=, _a._ L. _in_, in, _claudere_, to shut, close; confined
within something. Said of the stamens when they do not project
beyond the mouth of the corolla.

=Inherit=, _v._ L. _in_, in, _heres_, heir; to take by descent from an
ancestor. Plants, like people, inherit their characteristics from
their parents.

=Iron=, _n._ A very abundant and very important metal. In small
quantities it enters into the composition of plants and animals.

=Irritate=, _v._ L. _irritare_, to excite; to excite to action.
Rubbing irritates the skin and causes extra blood to flow to the
spot and thus redden it. Rubbing may also irritate plant tissues and
cause an extra flow of sap to the part irritated.

J.

=Jack-in-the-Pulpit.= The name of a plant that blooms in early summer.
The flowers have no corollas or calyxes, but grow clustered together
on a long spike. The spike of flowers is surrounded by a large
overarching bract.

=Juan Fernandez=, _n._ An island, west of Chili, in South America. It
is said to be the island where Robinson Crusoe lived.

=Jupiter=, _n._ In Roman mythology, the chief of the gods. The eagle
is his favorite bird, and he is often represented with a sheaf of
thunderbolts in his hand.

K.

=Knead=, _v._ To press or squeeze until thoroughly mixed.