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  • Salvia coahuilensis Fernald Lamiaceae Coahuila Sage. Perennial shrub. Distribution: Mexico. Most of the historical medicinal literature is on common sage, Salvia officinalis. The name Salvia meaning 'healthy'. Elizabeth Blackwell (1737) wrote that it had "... all the noble Properties of the other hot Plants more especially for the Head, Memory, Eyes, and all Paralytical Affections. In short, 'tis a Plant endu'd with so many and wonderful Properties, as that the assiduous use of it is said to render Men Immortal" with which Hans Sloane agreed. Its health giving properties were recorded in the aphorisms of the School of Salerno (fl 9-13th century) - quoted in the Decameron [c.1350, translated: Why should man die when Salvia grows in the Garden']. Some salvias, such as Salvia divinorum contain hallucinogenic compounds. Photographed in the Medicinal Garden of the Royal College of Physicians, London.