KERRIA JAPONICA (_syn Corchorus japonicus_).--Japan, 1700. A Japanese shrub, the double-flowered variety of which, K. japonica flore-pleno, is one of our commonest wall plants. The...
KOELREUTERIA PANICULATA.--Northern China, 1763. Whether for its foliage or flowers, this small-growing tree is worthy of a place. Though of rather irregular growth, the beautiful f...
LABURNUM ADAMI (_syn Cytisus Adami_).--A graft hybrid form between the common Laburnum and Cytisus purpureus, the result being flowers of the Laburnum, the true Cytisus purpureus,...
LAPAGERIA ROSEA.--Chili, 1847. This is, unfortunately, not hardy, unless in favoured maritime districts, but in such situations it has stood unharmed for many years, and attained t...
LARDIZABALA BITERNATA.--Chili, 1848. Requires wall protection, there being few situations in which it will succeed when planted in the open. It is a tall, climbing shrub, with dark...
LAVANDULA VERA (_syn L. Spica_).--Common Lavender. South Europe, 1568. A well-known and useful plant, but of no particular value for ornamental purposes. It is of shrubby growth, w...
LAVATERA ARBOREA.--Tree Mallow. Coasts of Europe, (Britain). A stout-growing shrub reaching in favourable situations a height of fully 6 feet, with broadly orbicular leaves placed...
LEDUM LATIFOLIUM (_syn L. groenlandicum_).--Wild Rosemary, or Labrador Tea. This is a small shrub, reaching to about 3 feet in height, indigenous to swampy ground in Canada, Greenl...
LEIOPHYLLUM BUXIFOLIUM (_syns L. thymifolia, Ammyrsine buxifolia_ and _Ledum buxifolium_).--Sand Myrtle. New Jersey and Virginia, 1736. This is a dwarf, compact shrub from New Jers...
LESPEDEZA BICOLOR (_syn Desmodium penduliflorum_).--North China and Japan. A little-known but beautiful small-growing shrub, of slender, elegant growth, and reaching, under favoura...
LEUCOTHOE AXILLARIS (_syn Andromeda axillaris_).--North America, 1765. This is of small growth, from 2 feet to 3 feet high, with oval-pointed leaves and white flowers in short race...
LEYCESTERIA FORMOSA, from Nepaul (1824), is an erect-growing, deciduous shrub, with green, hollow stems, and large ovate, pointed leaves of a very deep green colour. The flowers ar...
LIGUSTRUM IBOTA (_syn L. amurense_).--Japan, 1861. A compact growing species, about 3 feet in height, with small spikes of pure white flowers produced freely during the summer mont...
LINNAEA BOREALIS.--Twin Flower. A small and elegant, much-creeping evergreen shrub, with small, ovate crenate leaves, and pairs of very fragrant, pink flowers. Two conditions are n...
LIPPIA CITRIODORA (_syns Aloysia citriodora_ and _Verbena triphylla_).--Lemon-scented Verbena. Chili, 1794. With its slender branches and pale green, pleasantly-scented, linear lea...
LIRIODENDRON TULIPIFERA.--Tulip Tree. North America, 1688. One of the noblest hardy exotic trees in cultivation. The large, four-lobed, truncate leaves, of a soft and pleasing gree...
LONICERA CAPRIFOLIUM.--Europe. This species resembles L. Periclymenum, but is readily distinguished by the sessile flower-heads, and fawny-orange flowers. L. FLEXUOSA (_syn L. brac...
LOROPETALON CHINENSE.--Khasia Mountains and China, 1880. This is a pretty and interesting shrub belonging to the more familiar Witch Hazel family. Flowers clustered in small heads,...
LYCIUM BARBARUM.--Box Thorn, or Tea Tree. North Asia, 1696. A pretty lax, trailing shrub, with long, slender, flexible twigs, small linear-lanceolate leaves, and rather sparsely-pr...
LYONIA PANICULATA (_syns L. ligustrina, Andromeda globulifera, A. pilifera_, and _Menziesia globularis_).--North America, 1806. This species grows about a yard high, with clustered...
MACLURA AURANTIACA.--Osage Orange, or Bow-wood. North America, 1818. This is a wide-spreading tree with deciduous foliage, and armed with spines along the branches. The leaves are...
MAGNOLIA ACUMINATA.--Cucumber Tree. North America, 1736. This is a large and handsome species, of often as much as 50 feet in height, and with a head that is bushy in proportion. T...
MEDICAGO ARBOREA.--South Europe, 1596. This species grows to the height of 6 feet or 8 feet, and produces its Pea-shaped flowers from June onwards. The leaves are broadly oval and...
MENISPERMUM CANADENSE.--Moonseed. North America, 1691. This shrub is principally remarkable for the large, reniform, peltate leaves, which are of value for covering pergolas, bower...
MICROGLOSSA ALBESCENS (_syn Aster albescens_ and _A. cabulicus_).--Himalayas, 1842. This member of the Compositae family is a much-branched shrub, with grayish lanceolate foliage,...
MITCHELLA REPENS.--Partridge Berry. North America, 1761. A low-growing, creeping plant, having oval, persistent leaves, white flowers, and brilliant scarlet fruit. It is a neat lit...
MITRARIA COCCINEA.--Scarlet Mitre Pod. Chiloe, 1848. This is only hardy in the South of England and Ireland, and even there it requires wall protection. It is a pretty little shrub...
MYRICA ASPLENIFOLIA (_syn Comptonia asplenifolia_).--Sweet Fern. North America, 1714. A North American plant of somewhat straggling growth, growing to about 4 feet high, and with l...
MYRTUS COMMUNIS.--Common Myrtle. South Europe, 1597. A well-known shrub, which, unless in very favoured spots and by the sea-side, cannot survive our winters. Where it does well, a...
NEILLIA OPULIFOLIA (_syn Spiraea opulifolia_).--Nine Bark. North America, 1690. A hardy shrub, nearly allied to Spiraea. It produces a profusion of umbel-like corymbs of pretty whi...