COLUMN.--A peculiar organ in the flowers of Orchids, in which the stamens,
style and stigma (or the reproductive parts) are united.
COMPOSITAE or COMPOSITOUS PLANTS.--Plants in which the inflorescence
consists of numerous small flowers (florets) brought together into a dense
head, the base of which is enclosed by a common envelope. (Examples, the
Daisy, Dandelion, etc.)
CONFERVAE.--The filamentous weeds of fresh water.
CONGLOMERATE.--A rock made up of fragments of rock or pebbles, cemented
together by some other material.
COROLLA.--The second envelope of a flower usually composed of coloured,
leaf-like organs (petals), which may be united by their edges either in the
basal part or throughout.
CORRELATION.--The normal coincidence of one phenomenon, character, etc.,
with another.
CORYMB.--A bunch of flowers in which those springing from the lower part of
the flower stalks are supported on long stalks so as to be nearly on a
level with the upper ones.
COTYLEDONS.--The first or seed-leaves of plants.
CRUSTACEANS.--A class of articulated animals, having the skin of the body
generally more or less hardened by the deposition of calcareous matter,
breathing by means of gills. (Examples, Crab, Lobster, Shrimp, etc.)
CURCULIO.--The old generic term for the Beetles known as Weevils,
characterised by their four-jointed feet, and by the head being produced
into a sort of beak, upon the sides of which the antennae are inserted.
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