Pennyroyal (Mentha pulegium) and creeping thyme (Thymus serpyllum): entire flowering plants. Coloured etching by C. Pierre, c. 1865, after P. Naudin.
- Naudin, Philibert, active 1870.
- Date:
- [1865]
- Reference:
- 24687i
Licence: Public Domain Mark
Credit: Pennyroyal (Mentha pulegium) and creeping thyme (Thymus serpyllum): entire flowering plants. Coloured etching by C. Pierre, c. 1865, after P. Naudin. Wellcome Collection. Source: Wellcome Collection.