=Corolla.= The flower-cup composed of one or more divisions called
petals.
=Petal.= One of the divisions of the corolla.
=Calyx.= A flower-envelope, usually green, formed of several
divisions called sepals, protecting the bud.
=Sepal.= One of the divisions of the calyx.
=Anther.= The pollen-bearing organ, usually yellow.
=Filament.= The stalk-like support of the anther.
=Stamen.= Anther and filament combined.
=Ovary.= The seed-bearing organ.
=Ovary inferior.= With the flower-parts growing from above the
ovary.
=Ovary superior.= With the flower-parts growing from below the
ovary.
=Placenta.= That particular portion of the ovary wall to which the
ovules are attached.
=Ovule.= The body in the ovary which becomes a seed.
=Style.= The stalk-like projection proceeding from the ovary and
terminated by the stigma.
=Stigma.= The generally sticky and sometimes branching termination
of the pistil through which pollination takes place.
=Pistil.= Ovary, style, and stigma combined.
=Regular Flower.= Generally symmetrical and uniform in the number
of its parts.
=Perfect Flower.= A flower complete in all the common parts.
=Staminate.= With stamens and without pistils.
=Pistillate.= With pistils and without stamens.
=Polygamous.= Pistillate, staminate, and perfect flowers, on the
same or on different plants.
=Claw.= The narrow or stalk-like base of some petals.
=Pedicel.= The stalk of a flower in a cluster.
=Raceme.= A flower-cluster in which the flowers are borne along
the flower-stalk on pedicels of nearly equal length.
=Spike.= A flower-cluster in which the flowers have no pedicels
and are arranged more or less closely along the flower-stalk.
=Bracts.= Small scalelike formations.
=Involucre.= A circle of bracts below a flower-cluster.
=Stipule.= Small often leaflike formations, confined to the base
of the leaf.
=Capsule.= A dry seed-vessel, composed of more than one part and
splitting open.
=Akene.= A small dry one-seeded fruit, not splitting open.