One who collects simples; an herbalist.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (noun) (n.) (noun)

Usage examples:

It makes life so much simpler not to.
- Senator North by Gertrude Atherton
The phrase was again his, but it was simpler to make the phrase than to run the leg.
- A Hazard of New Fortunes by William Dean Howells
Nothing could be simpler or better arranged.
- The Adventures of a Special Correspondent by Jules Verne