Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Account of a new species of nerium, the leaves of which yield indigo ... To which is added, a brief account of ... experiments made ... to throw ... light on the theory of that artificial reproduction. Also descriptions of two other plants, which yield indigo, and of one from Pegu, said to yield a green dye / [William Roxburgh]. Public Domain Mark. Source: Wellcome Collection.