Agnes Robertson Arber, Herbals, Their Origin and Evolution…
“ This idea is one which constantly recurs in the herbals. In 1664 Robert Turner wrote, “For what Climate soever is subject to any particular Disease, in the same Place there grows a Cure.” There is ample evidence of the survival of this theory even in the nineteenth century; for instance, in the preface to Thomas Green’s ‘Universal Herbal’ of 1816 we find the remark, “Nature has, in this country, as well as in all others, provided, in the herbs of its own growth, the remedies for the several diseases to which it is most subject.” ”
