On The Origin of Species by Charles Darwin Chapter 16 Page 10

— Beetles, an order of Insects, having a biting mouth and the first pair of wings more or less horny, forming sheaths for the second pair, and usually meeting in a straight line down the middle of the back.

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. —