Quassia amara, the bark of which is sometimes used as a substitute for hops, is perhaps the best known plant belonging to this order. All the species are trees or shrubs, natives of tropical America, with bitter bark, milky juice, and pinnated leaves.
ORDER LVII.—OCHNACEÆ.
Tropical shrubs with yellow flowers and shining leaves; seldom seen in British hothouses.
ORDER LVIII.—CORIAREÆ.
Only one species of this order is common in British gardens, viz. Coriaria myrtifolia; the leaves of which are astringent, and used in dyeing black, and the berries are poisonous.
§ II.—Calycifloræ.
The plants comprised in this division have their petals and stamens inserted in the calyx, or in a lining of it formed by the dilated receptacle.