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Jaunâtre is a new variety, with yellowish white flowers. This is evidently hybridised with the Musk or Noisette Rose, as it is fragrant.
Melanie de Montjoie has · large flowers of the purest white, and foliage very abundant and beautiful, of a shining dark green, contrasting finely with its flowers.
Myrianthes, sometimes called Ranonculacea, is a charming plant : its flowers are so perfectly and elegantly shaped, and their colour so delicate, that, if not the most beautiful of all, it is one among them. Plena is also known as Sempervirens major, and as the Double White Noisette. This is our oldest double variety, and a very good rose. Princesse Louise and Princesse Marie I have found so much alike, that I have not entered the latter in the catalogue. Princesse Louise is a fine and vigorous growing variety, with flowers very double and prettily cupped. Rampant, as its name implies, is a most vigorous and rampant grower, and a very pretty pure white rose. This will cover a wall or building with nearly as much rapidity as the common Ayrshire. Rose Fonçée has very dark shining green foliage, and varies in the colour of its flowers; for this season (1837) they have not, by any means, been either a bright or deep rosecolour, though in 1836 they were very distinct, and in character. Reine de Français is a new hybrid variety; a great acquisition, as its flowers are large, of a brilliant rosy red, very double, and finely shaped. Scandens is a hybrid Sempervirens, having much of the Ayrshire habit, and making shoots of an immense length in one season. Its flowers are of a delicate buff when they first open, but they soon change to a pale flesh-colour. Alice Grey is the poetical name given to this rose by some nurserymen. Spectabile, or Rose Ayez of some catalogues, is a fine and distinct climbing rose, with bright rosy lilac flowers, and curiously incised petals; a most vigorous growing and desirable variety. Triomphe de Boliwyller, or Sempervirens Odorata, is a hybrid between the Rosa Sempervirens and the
Tea-scented China Rose, and decidedly the finest climbing rose known ; its large globular flowers are very fragrant, and much like Noisette Lamarque, differing slightly, in colour. This rose often blooms in the autumn, and that pleasing quality makes it still more desirable.
The varieties of Rosa sempervirens are of the easiest culture, as they seem to flourish in all soils and situations. In sheltered places and under trees they are nearly evergreen, retaining their leaves till spring. This makes them valuable for covering banks, trees, or walls. I know of no rose idea prettier than that of a wilderness of evergreen roses, the varieties planted promiscuously and suffered to cover the surface of the ground with their entangled shoots. To effect this, the ground should be dug, manured, and thoroughly cleaned from perennial weeds, such as couch grass, &c., and the plants planted from three to five feet asunder. If the soil is rich, the latter distance will do; they must be hoed amongst, and kept clean from weeds after planting, till the branches meet; they will then soon form a beautiful mass of foliage and flowers, covering the soil too densely for weeds of minor growth to flourish. Those weeds that are more robust should be pulled out occasionally, and this is all the culture they will require ; for temples, columns, and verandahs, their use is now becoming well known. One of the most complete temples of roses is that at the seat of Warner, Esq., Hoddesdon, Hertfordshire, and the prettiest specimens of festooning these roses from one column to another, by means of small iron chains (strong iron wire will do), may be seen at Broxbourn Bury, near Hoddesdon, the seat of — Bosanquet, Esquire. They also form elegant and graceful standards ; like the Ayrshire Roses their shoots are pendulous, and soon hide the stem, in a few years, forming a pretty dome of foliage and flowers ; for covering the naked stems of forest or ornamental trees, they are also very useful, as their roots will not injure the tree which supports them; and if strong copper wire is brought loosely round the trunk of the tree to support their branches, they will give scarcely any trouble in such situations. To make them grow vigorously, give them a supply of manure on the surface, annually, in the autumn, to be carried to their roots by the rains of winter. In autumn or winter pruning, their branches must be left their full length, for, if shortened, they will make prodigious long shoots the following season, but produce no flowers ; as they are very flexible, they can be laid in and twisted in any direction, but the use of the knife must be avoided as much as possible.
THE BOURSAULT ROSE.
This is a most distinct group of roses, with long, reddish flexible shoots; they are not such decided climbers as the preceding three divisions, but they are excellently well adapted for pillar roses; they owe their origin to the Rosa Alpina, a single red rose, a native of the Alps, and also of the hills in the south of France. M. Boursault, formerly a great Parisian Rose amateur, gave his name to the group, by the first double variety, the Red, being named after him. Arethuse is a very double, bright-coloured rose; in wet seasons, too much so to open well, and its flowers then drop without expanding. Blush, or Boursault Florida, Calypso, White Boursault, Bengale Florida, Rose de Lisle, &c., for it is known by all these names, is a beautiful rose, and when trained up a pillar, its large and delicately coloured flowers have a fine effect; the Tea-scented Roses budded on this rose bloom in great perfection. Crimson, or Amadis, is also a very fine pillar rose; its clusters of large, deep purple and crimson flowers, are inclined to be pendulous, consequently they have a fine effect when on a tall pillar. Drummond's Thornless is now an old variety, but it produces such a profusion of bright red flowers, that it ought to be in every collection of climbing roses. Elegans is a most beautiful, vivid-coloured rose; its purple and crimson flowers are often striped with white: this has a long succession of bloom, as it is one of the earliest and latest of summer roses. Gracilis is a hybrid, of the most vigorous growth in good soils, often making shoots ten to twelve feet long in one season ; unlike the other varieties of this division, its shoots are covered with thorns. Nothing can be more graceful than the luxuriant foliage of this plant; it has also finely cupped flowers of the most vivid rose-colour, and must be reckoned a beautiful and desirable rose. Iner. mis is a pretty variety, with flowers of a bright red, and a fine and luxuriant grower. The Red Boursault is our oldest variety, and though only semi-double, it is distinct, pretty, and still a rose worth cultivating.
Among the Banksian Roses, Botanists class Rosa lævi. gata, or sinica, a rose with peculiarly glossy foliage, and large single white flowers. This is a native of Georgia, also of Tartary and China, and, very probably, is the plant from which the Chinese derived our Double Banksian Roses. Rosa sinica is also known as Rosa lævigata and Rosa ternata.
Our popular Double White Banksian Rose is almost universally known and admired. It was introduced in 1807 ; and very large plants are now to be seen in some situations : one in the garden of Miss Chauncey, at Cheshunt, covers a wall of immense extent. The flowers of the White Banksian Rose have a slight violet-like perfume, very agreeable. The Yellow Banksian Rose was brought to this country in 1827. This is an unique and beautiful variety, with scentless straw-coloured flowers, a little inclining to buff: they are like the flowers of the white, very small and double. Both these roses bloom early in May; and large plants, covered with their clusters of flowers, have a pretty, but most un-rose-like, appearance. The Rose-coloured Banksian Rose is a hybrid, with very bright rose-coloured flowers, the whole plant partaking as much of the character of the Boursault Rose as of the Banksian : in fact, it is a most complete mule; and though it has lost a little too much caste in the shape and size of its flowers — for they are a degree larger, and not quite so double as those of the Banksian Rose - it will prove a very pretty, bright-coloured climber, and quite hardy.
The true Banksian Roses are not adapted for pillar roses, as they are too tender : they require a wall, or very sheltered situation. Their very early flowering, also, renders this quite necessary, as the spring frosts, in cold exposures, destroy the bloom in the bud. They bloom more freely in dry than in wet, retentive, soils, and they require pruning with care; for, none of the small and twiggy branches should be shortened ; but, if the plant has a superabundance, some of them may be removed. If their branches are shortened, they will not bloom, but put forth a profusion of strong shoots. The flowers will be generally found in the greatest abundance on these small and twiggy branches, which at once points out the necessity of their being left on the plant. Often, towards the end of summer, large old plants will produce immensely thick and strong shoots. These should be removed