CORONA, among botanists, the name given by some to the circumference or margin of a radiated compound flower. It corresponds to the radius of Linnaeus; and is exemplified in the flat, tongue-shaped petals which occupy the margin of the daisy or sun-flower.
CORONA Australis or Meridionalis, Southern Crown, a constellation of the southern hemisphere, whose stars in Ptolemy's catalogue are 13, in the British catalogue 12.