Chiron was shot in the foot by Hercules by an arrow which had been dipped in the blood of the Hydra of Lerna, and the wound caused intense agony. One fable says that Chiron healed this wound by applying to it the herb which consequently bore the name of Centaury; but the more usual version is that his grief at being immortal was so keen that Hercules induced Jupiter to transfer that immortality to Prometheus, and that Chiron was placed in the sky and forms the constellation of Sagittarius. The Centaurs were a wild race inhabiting Thessaly. Probably they were skilful horse tamers and riders, and from this may have grown the fable of their form.
Chiron the Centaur.
Achilles.
Achilles carried a spear at the siege of Troy which had the benign power of healing the wounds it made. He discovered the virtues of the plant Achillea Milfoil, but Pliny leaves it doubtful whether he cured the wounds of his friend Telephas by that remedy or by verdigris ointment, which he also invented.
Achillea Milfoil.
Aristes.
Aristes, king of Arcadia, was another famous pupil of Chiron. He is credited with having introduced the silphion or laser which became a popular medicine and condiment with the ancients, and which was long believed to have been their name for asafœtida, but which modern authors have doubted, alleging that silphion was the product of Thapsia silphion. Aristes is further said to have taught the art of collecting honey and of cultivating the olive.