a rare lapse for a poet who generally knew his astronomy. http://en.wikipedia.org/wiki/Ophiuchus_%28astrology%29 Ophiuchus (astrology) This article is about the astrological sign. For the constellation, see Ophiuchus . The Rod of Asclepius is often used as a symbol for Ophiuchus. The Ophiuchus symbol used in Japanese astrology. Astrology Background History of astrology