CHAPTER XXI
FRUITS
The ripened ovary, with its attachments, is known as the
fruit. It contains the seeds. If the pistil is simple, or of
one carpel, the fruit
also will have one compartment.
If the pistil
is compound, or of
more than one carpel,
the fruit usually has an
equal number of compartments.
The compartments
in pistil and
fruit are known as locules
(from Latin locus,
meaning "a place").
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Fig. 224.—Dentaria, or Tooth-wort, in fruit.
The simplest kind of fruit is a ripened 1-loculed ovary. The first stage in complexity is a ripened 2- or many-loculed ovary. Very complex forms may arise by the attachment of other parts to the ovary. Sometimes the style persists and becomes a beak (mustard pods, dentaria, Fig. 224), or a tail as in clematis; or the calyx may be attached to the ovary; or the ovary may be embedded in the receptacle, and ovary and receptacle together constitute the fruit: or an involucre may become a part of the
