artificially distributed according to the number of their petals, but not so arranged in the body of the system. They form a numerous and various assemblage of handsome plants, but many are of a suspected quality. Among them are the Poppy, the Caper-shrub, the Sanguinaria canadensis, Curt. Mag. t. 162, remarkable for its orange juice, like our Celandine, Engl. Bot. t. 1581; also the beautiful genus Cistus with its copious but short-lived flowers, some of which (Engl. Bot. t. 1321) have irritable stamens; the splendid aquatic tribe of Nymphæa, &c., t. 159, 160. But the precious Nutmeg and the Tea are perhaps erroneously placed here by Linnæus, as well as the Clove; while on the other hand Cleome more properly belongs to this part of the system than to the 15th Class.
2. Digynia has principally the Pæonia, t. 1513, variable in number of pistils, and Fothergilla alnifolia, an American shrub.
3. Trigynia. Delphinium the Larkspur, and Aconitum the Monk's hood, two variable
