PYRUS ARIA.--White Beam Tree. Europe (Britain). A shrub or small-growing tree, with lobed leaves, covered thickly on the under sides with a close, flocculent down. The flowers are...
RHAMNUS ALATERNUS.--Mediterranean region, 1629. This is an evergreen shrub, with lanceolate shining leaves of a dark glossy-green colour, and pretty flowers produced from March til...
RHAPHIOLEPIS JAPONICA INTEGERRIMA (_syn R. ovata_).--A Japanese shrub (1865), with deep green, ovate, leathery leaves that are not over abundant, and produced generally at the bran...
RHAPHITHAMNUS CYANOCARPUS (_syn Citharexylum cyanocarpum_). Chili. This bears a great resemblance to some of the thorny Berberis, and is at once a distinct and beautiful shrub. The...
RHODODENDRON ARBORESCENS (_syn Azalea arborescens_), from the Carolina Mountains (1818), is a very showy, late-blooming species. The white, fragrant flowers, and noble port, togeth...
RHODOTHAMNUS CHAMAECISTUS (_syn Rhododendron Chamaecistus_).--Ground Cistus. Alps of Austria and Bavaria, 1786. A very handsome shrub, of small growth, and widely distributed in Ba...
RHODOTYPOS KERRIOIDES.--White Kerria. Japan, 1866. A handsome deciduous shrub, and one that is readily propagated, and comparatively cheap. It is distinct and pretty when in flower...
RHUS COTINUS.--Smoke Plant, Wig Tree, or Venetian Sumach. Spain to Caucasus, 1656. On account of its singular appearance this shrub always attracts the attention of even the most u...
RIBES ALPINUM PUMILUM AUREUM.--Golden Mountain Currant. The ordinary green form is a native of Britain, of which the plant named above is a dwarf golden-leaved variety. R. AUREUM.-...
ROBINIA DUBIA (_syns R. echiuata_ and _R. ambigua_).--A very pretty garden hybrid form, said to have for its parentage R. Pseud-Acacia and R. viscosa. It is of quite tree-like grow...
ROSA ALBA.--This is a supposed garden hybrid between R. canina and R. gallica (1597). It has very glaucous foliage, and large flowers, which vary according to the variety from pure...
ROSMARINUS OFFICINALIS.--Common Rosemary. Mediterranean region, 1848. A familiar garden shrub, of dense growth, with dusky-gray green linear leaves, and pale blue or white flowers....
RUBUS ARCTICUS.--Arctic Regions of both hemispheres. An interesting species about 6 inches high, with trifoliolate leaves, and deep-red flowers. For Alpine gardening it is a valuab...
RUSCUS ACULEATUS.--Butcher's Broom, Pettigree and Pettigrue. Europe (Britain), and North Africa. This is a native evergreen shrub, with rigid cladodes which take the place of leave...
SAMBUCUS CALIFORNICA.--Californian Elder. A rare species as yet, but one that from its elegant growth and duration of flowers is sure, when better known, to become widely distribut...
SCHIZANDRA CHINENSIS.--Northern China, 1860. This is a climbing shrub, with oval, bright green leaves, and showy carmine flowers. For clothing arbors and walls it may prove of use,...
SCHIZOPHRAGMA HYDRANGEOIDES.--Climbing Hydrangea. Japan, 1879. As yet this is an uncommon shrub, and allied to the Hydrangea. It is of slender growth, the stems rooting into the su...
SHEPHERDIA ARGENTEA.--Beef Suet Tree, or Rabbit Berry. North America, 1820. This shrub is rendered of particular interest on account of the intense silvery hue of the foliage. The...
SKIMMIA FORTUNEI.--Japan, 1845. This is a neat-growing shrub, with glossy, laurel-like leaves, white or greenish-white flowers, and an abundance of scarlet berries in autumn. It su...
SMILAX ASPERA.--The Prickly Ivy. South Europe, 1648. A trailing-habited shrub, with prickly stems, ovate, spiny-toothed, evergreen leaves, and rather unattractive flowers. There ar...
SOLANUM CRISPUM.--Potato-tree. A native of Chili, 1824, and not very hardy, except in the coast regions of England and Ireland. It grows stout and bushy, often in favoured places r...
SOPHORA JAPONICA (_syn Styphnolobium japonicum_).--Chinese or Japanese Pagoda-tree. China and Japan, 1763. A large deciduous tree, with elegant pinnate foliage, and clusters of gre...
SPARTIUM JUNCEUM (_syn S. acutifolium_).--Spanish, or Rush Broom. Mediterranean region and Canary Isles, 1548. This resembles our common Broom, but the slender Rush-like branches a...
SPIRAEA BELLA.--Pretty-flowered Spiraea. Himalayas, 1820. The reddish stems of this rather tall-growing species are of interest, and render the plant distinct. Leaves ovate, acute,...
STAPHYLEA COLCHICA.--Colchican Bladder Nut. Caucasus. This is a very distinct shrub, about 6 feet high, with large clusters of showy white flowers. Being quite hardy, and very orna...
STAUNTONIA HEXAPHYLLA.--China and Japan, 1876. This evergreen twining shrub is not to be generally recommended, it requiring wall protection even in southern England. The leaves ar...
STUARTIA PENTAGYNA (_syn Malachodendron ovatum_).--North America, 1785. This differs only from the S. virginica in having five distinct styles, hence the name. Under very favourabl...
STYRAX AMERICANA and S. PULVERULENTA are not commonly cultivated, being far less showy than the Japanese species. They bear white flowers. S. OFFICINALIS.--Storax. Levant, 1597. Th...
SYMPHORICARPUS OCCIDENTALIS.--Wolf Berry. North America. This species has larger and more freely-produced flowers, and smaller fruit than the commonly-cultivated plant. S. RACEMOSU...
SYMPLOCOS JAPONICA (_syn S. lucida_).--A small growing and not very desirable species from Japan (1850). S. TINCTORIA.--Sweet-leaf, or Horse Sugar. South United States, 1780. This...