The genus _Sambucus_, the Elder, is characterised by its pinnate leaves and terminal cymes of flowers, which have a small five-lobed calyx, a rotate corolla also five-lobed, five stamens about the length of the corolla, no style, and three obtuse stigmas. The berries are globular, pulpy, and one-celled; each containing three or five seeds, which are convex on the outside, and angular within. The berries differ in colour in the different species, those of the common kind being a deep purplish black, and those of _S. racemosa_ being red. The stems and branches are of a soft wood, having a white spongy pith. The white-berried Elder is a variety of the common kind.
The genus _Viburnum_ contains several well-known plants, among which may be mentioned the Laurestinus (_V. Tinus_), the Guelder Rose (_V. Opulus_), and the Wayfaring Tree (_V. Lantana_). This genus is very nearly allied to Sambucus in the flowers, but it is easily distinguished, on examination, by its leaves, which are not pinnate, and by its wood, which is hard and not spongy. The berries have also only one seed, and they are not eatable,--those of the Laurestinus are, indeed, injurious. The Laurestinus and some other species are evergreen; but by far the greater number of species are deciduous.
The genus _Lonicera_ formerly included all the kinds of Honeysuckle; but now only the upright species, or what are called the Fly Honeysuckles, are comprised in it, and the climbing kinds are called Caprifolium. One of the upright kinds, most common in gardens, is the Tartarian Honeysuckle (_L. tartarica_), the flowers of which are in twins. The corolla is tubular and funnel-shaped, with a five-cleft limb. There are five stamens, a filiform style, and a capitate stigma. The berries are distinct when young, but they afterwards grow together at the base. The leaves are always distinct. The genus _Caprifolium_ embraces all the climbing species, the flowers of which are disposed in whorls, and the upper leaves are connate, that is, growing together at the base, so that two appear only one leaf, with the stem passing through it. A single leaf of this kind is called perfoliate. The flowers spring from the axils of the leaves, and are what are called ringent, that is, they are composed of five petals, four of which grow together, almost to the tip, while the fifth is only attached to the others about half its length, and has the loose part hanging down. Flowers of this kind, with their lower part forming a tube, and their upper part widely open, are said to be gaping. In the Trumpet Honeysuckle (_C. sempervirens_) the tube of the corolla is very long, and the lobes of the limb nearly equal; and the flowers, instead of springing from the axils of the leaves, form terminal spikes, each consisting of three or more whorls of flowers.