Rhodotypus kerrioides, 4 to 6 feet.

Rhus Cotinus (Venetian Sumach, Wig Tree, Smoke Bush), 5 to 8 feet; R. glabra, 6 to 12 feet; R. typhina, 8 to 15 feet.

Ribes aureum (Golden-flowered Currant), 4 to 6 feet; R. sanguineum, 4 to 6 feet.

Robinia hispida (Rose Acacia), 8 to 12 feet. A delightful tree; rosy flower clusters in early summer, but very brittle. Must not be in wind-swept corners. R. Pseudacacia elegans (False Acacia), 20 feet; the Common False Acacia is too large for small gardens.

Rubus deliciosus, 5 to 6 feet.

Skimmia Fortunei and S. japonica, 2 to 4 feet. Two neat little evergreen shrubs, with bright-crimson berries in winter. Cool, moist soil.

Spartium junceum (Spanish Broom).

Spiræa arguta, 4 to 5 feet; S. ariæfolia, 8 to 10 feet, very beautiful; S. Douglasi, 6 feet; S. japonica (S. callosa) and varieties (see tables); S. media, 4 feet; S. prunifolia fl. pl., 6 to 8 feet; S. Thunbergi, 4 to 5 feet.

Symphoricarpus racemosus (Snowberry), 5 to 6 feet. The variegated variety of the Common Snowberry is pretty.

Syringa vulgaris (Lilac), 8 to 12 feet.