1. A contribution to our knowledge of the chemical composition of gelsemium sempervirens: case of fatal poisoning by three drachms of the fluid extract, and recovery of the poison some months after death Author(s): Wormley, Theodore G. (Theodore George), 1826-1897 Publication: [Philadelphia? : s.n., 1870?] Subject(s): Scopoletin -- chemistryScopoletin -- poisoning