Read it through once

The use of poisons as protection is eminently characteristic of three of the natural orders. The Buttercups (_Ranunculaceæ_), the Potato order (_Solanaceæ_) and the Lilies. Of the first named, the celery-leaved, and indeed all Buttercups, are extremely poisonous; so also are all Aconites and Hellebores, as well as Marsh Marigold, Adonis, Clematis, and Larkspur.