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Hardy Perennials and Old Fashioned Flowers Part 6

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Arabis Lucida.

s.h.i.+NING ROCK CRESS; _Nat. Ord._ CRUCIFERae.

This member of a well-known family of early spring flowers is desirable, for its neat habit and verdancy. There is not a particle of sere foliage to be seen, and it has, moreover, a glossy appearance, whence the specific name. The flowers are not of much effect, though, from their earliness, not without value; they are in the way of the flowers of the more common species, _A. alpina_, but less in size; they are also more straggling in the raceme; these two features render it inferior as a flower; the stalks are 3in. to 6in. high. The leaves are arranged in lax flattened rosettes, are 1in. to 3in. long, somewhat spathulate, notched, fleshy, of a very dark green colour, and s.h.i.+ning. The habit is dense and spreading, established tufts having a fresh effect. Though an Hungarian species, it can hardly have a more happy home in its habitat than in our climate. Where verdant dwarf subjects are in request, either for edgings, borders, or rockwork, this is to be commended as one of the most reliable, both for effect and vigour. In the last-named situation it proves useful all the year round, but care should be taken that it does not overgrow less rampant rock plants.

_A. l. variegata_ is a variety with finely-marked leaves. The bloom resembles that of the type, but is rather weaker. It is better to remove the flowers of this kind, as then the rather slow habit of growth is much improved, as also is the colour of the foliage. The leaves being more serviceable and effective than the bloom, the uses should be made of it accordingly. They are broadly edged with yellow, the green being lighter than that of the type, but equally bright; the ends of the leaves are curled backwards, but, with the exception of being a little smaller, they are similar in shape to the parent form. This is a gem for rockwork, and, if it did not belong to a rather ordinary race of plants, it would, perhaps, be more often seen in choice collections. This, however, does not alter its worth. Seen in crevices of dark stone on rockwork, or in bold tufts near the walks, or planted with judgment near other dwarf foliaged subjects, it ever proves attractive. It is much less rampant, and, perhaps, less hardy than the type. It has only been during the recent very severe winters, however, that it has been killed.

The Arabis is easily propagated by slips or rootlets, which should be taken after flowering. The variegated form is better for being so propagated every year. If bold patches are desired, they should be formed by planting a number together, 3in. or 4in. apart.



Flowering period, February to June.

Aralia Sieboldi.

SIEBOLD'S ARALIA; _Nat. Ord._ ARALIACEae.

The present subject (see Fig. 15)--beautiful, hardy, and evergreen--is a species of recent introduction; still, it has already become well known and distributed, so much so that it scarcely needs description; but there are facts in reference to it which would seem to be less known. It is seldom seen in the open garden, and many amateurs, who otherwise are well acquainted with it, when they see it fresh and glossy in the open garden in the earliest months of the year, ask, "Is it really hardy?"

Not only is such the case, but the foliage, and especially the deep green colour, are rarely so fine when the specimens have indoor treatment, and, on this account, the shrub is eminently suitable for notice here.

[Ill.u.s.tration: FIG. 15. ARALIA SIEBOLDI.

(One-tenth natural size.)]

The order _Araliaceae_ is nearly related to _Umbelliferae_, from which fact an idea may be had of the kind and arrangement of the flowers. Many of the genera of the order _Araliaceae_ are little known; perhaps the genus _Hedera_ (ivy) is the only one that is popular, and it so happens to immediately follow the genus _Aralia_. To remember this will further a.s.sist in gleaning an idea of the form of blossom, as that of ivy is well known. _Aralia Sieboldi_, however, seldom flowers in this climate, either in or out of doors. When it does, the white flowers are not of much value; they are small, like ivy blossom in form, but more spread in the arrangement. There are five sepals, five petals, five styles, and five cells in the berries. The flowers are produced on specimens 2ft. to 5ft. high during winter, when favourable. The leaves, when well grown, are the main feature of the shrub, and are 12in. or more across. This size is not usual, but a leaf now before me, and taken from an outside specimen, measures over a foot, with a stout round stalk, 13in. long; the form of leaf is fan-shaped, having generally seven lobes, each supported by a strong mid-rib; the lobes are formed by divisions rather more than half the diameter of the leaf; they are slightly distant, broadly lance-shaped, waved at the edges, toothed near the ends, the teeth being somewhat spiny; the substance is very stout and leather-like to the touch; the upper surface is a dark s.h.i.+ning bronzy-green, beautifully netted or veined; the under surface is a pale green, and richly ornamented by the risen mid-ribs and nerves of the whole leaf; the leaf-stalks are thick, round, bending downwards, and 6in. to 18in.

long, springing from the half woody stem.

The habit of the shrub is bushy, somewhat spreading, causing the specimens to have a fine effect from their roundness, the leaf arrangement also being perfect. Without doubt this is one of the most distinct and charming evergreens for the ornamental garden, sub-tropical in appearance, and only inferior to palms as regards size; it is effective anywhere. It need not be stated that as a vase or table decoration it ranks with the best for effect and service, as it is already well-known as such. In planting this subject outside, young but well-rooted examples should be selected and gradually hardened off. At the latter end of May they should be turned out of the pots into a rich but sandy loam. The position should be sunny, and sheltered from the north. Some have advised that it should be grown under trees, but I have proved that when so treated the less ripened foliage has suffered with frost, whilst the specimens fully exposed to the sun have not suffered in the least; they would droop and shrivel as long as the frost remained, but as soon as the temperature rose they became normal, without a trace of injury. When planted as above, young specimens will soon become so established and inured to open-air conditions, that little concern need be felt as regards winter; even such as were under trees, where they continued to grow too long, and whose tender tops were cut away by frost, have, the following summer, made a number of fresh growths lower down the stems. I should like to say that on rockwork this shrub has a superb effect, and I imagine the better drained condition of such a structure is greatly in favour of its health and hardiness. The propagation is by means of cuttings; slips of half-ripened wood, taken during the warmest months, if put in sandy loam in a cuc.u.mber frame, will root like willow. As soon as roots have formed, pot them separately and plunge the pots in the same frame for a week or two, then harden off. For the first winter the young stock ought to be kept either in a greenhouse or a cold frame, and by the end of the following May they will be ready to plant out. A well-drained position is important.

Flowering period, November to March, in favourable or mild seasons.

Arisaema Triphyllum.

_Syns._ A. ZEBRINUM _and_ ARUM TRIPHYLLUM; _Common Names_, THREE-LEAVED ARUM _and_ JACK-IN-THE-PULPIT; _Nat. Ord._ ARACEae.

A hardy tuberous-rooted perennial from North America. I will at once explain that the above leading name is not the one generally used here, but in America, where the species is common, botanists have adopted it; besides, it is, as will be seen from the following description, very distinct from other Arums. The Syn. _Arisaema zebrinum_, as given, belongs really to a variety of _A. triphyllum_, but the type is marked in its flowers zebra-like, and there are many shades and colours of it, therefore both or either of the names may be used for the different forms, with a fair degree of propriety, as in fact they are.

There is a doubt with some as to the hardiness of this plant; in my mind there is none whatever. It is no stranger to frosts in its habitats, but I do not found my conviction on anything but my experience of it. It has been grown fully exposed for two winters, and sometimes the frosts must have gone as far down as the roots.

There is nothing showy about this plant, but there is something which stamps it as a fitting subject for a garden of choice plants; its bold, dark green foliage and quaint-looking flowers render it desirable on the score of distinctness. It has, moreover, a freshness upon which the eye can always linger. The flowers are in general form like the calla-lily; the upper part of the spathe, or sheathing leaf, which is really the calyx, is, however, more elongated, pointed, and hooked; otherwise the spathe is erect, slightly reflexed just above the folded part, giving the appearance of a pair of small lobes; this--the calyx--is really the most conspicuous part of the flower; in the belly it is beautifully striped with broad lines of a purplish-brown colour, which shade off to an inch of green in the middle, when they form again, and continue to the tip of the spathe, which will be 4in. to 6in. long, and nearly 2in.

broad at the widest part; these lines run between the ribs, and, as before hinted, they are of various colours, such as brown, purple, pink, and green. The ribs are nearly white, and the green parts are very pale.

The spadix is over 3in. long, club-shaped, spotted with brown, very much so near the end. The anthers at the base of the spadix are curious, and should be examined. They are invisible until the folded part of the spathe is opened; they are numerous, arranged in a dense broad ring, sessile, and nearly black. This curious flower is produced on a stout, round scape, a foot or more in height. The leaves are radical, having a stalk a foot long. They are, as the specific name implies, divided into three parts, each being of equal length, entire, wavy, and pointed. The whole plant has a somewhat top-heavy appearance (see Fig. 16), but I never saw it broken down by the weather. It makes quick growth in spring, the scape appearing with the leaves; in late summer it dies down. It looks well in quiet nooks, but it also forms a good companion to showy flowers in more open situations; in a cut state, for dressing "old-fas.h.i.+oned" vases, nothing could be in better character, a few leaves of yarrow, day lily, flag, or similar foliage being all it will require.

[Ill.u.s.tration: FIG. 16. ARISaeMA TRIPHYLLUM.

(One-fourth natural size.)]

It may be transplanted, any time from September to the end of January, into good light loam or leaf soil, 4in. or 6in. deep; if there should be a dry season during the period of growth, the plant should be well watered. To increase it, the tubers may be divided every third year, providing the growth has been of a vigorous tone. I may add, that, from its tall and not over-dense habit, there may with advantage, both to it and the plants used, be a carpet grown underneath--ivy, vincas, or sweet woodruff for some situations, and brighter subjects for more conspicuous parts of the garden, such as the finer kinds of mimulus, ourisia, alpine aster, and dwarf iris.

Flowering period, June and July.

Arum Crinitum.

HAIRY ARUM, _or_ DRAGON'S MOUTH; _Nat. Ord._ ARACEae.

As may be seen by the ill.u.s.tration (Fig. 17), this is a most singular plant. It proves hardy in this climate if its position is selected; in other words, it is not hardy in all kinds of soils and situations, but if planted four or five inches deep, in sandy or half decayed vegetable mould, facing the south, there is little to fear either as regards hardiness or its thriving. I think, therefore, it may be called hardy.

It is far more interesting than handsome, but there is at the present time an evident desire amongst amateurs to grow the various Arums, and more especially has this one been sought after; I have, therefore, introduced it amongst more beautiful flowers, and given an enlarged drawing of the entire plant, together with the spathe in its unopened state.

The plant is a native of Minorca, and was imported in 1777. In this climate it grows to the height of 18in., developing the flower with the foliage. It is produced on a stout scape nearly 1ft. high, of a pale green colour, marked with dark short lines and spotted with delicate pink dots. The folded spathe is of leather-like substance, rough, almost corky in texture; also variously marked and tinted. At the base there are a number of green lines arranged evenly and longitudinally on a nearly white ground. A little higher--the belly part--the lines are less frequent, irregular, and mixed with pink dots. Still higher, the ground colour becomes pale green, the lines dark green, and the pink spots are changed to clouded tints; the remainder of the folded spathe--to the tip--is a mixture of brown and green dots, the total length being fully 9in. When the spathe opens, it does so quickly, bending more than half its length outwards, the division looking upwards. To those who have not before seen the plant at this stage, it will prove an interesting surprise; the odour, however, is repulsive. The spathe at its widest part is 6in. broad, and tapers off to a blunt point. It is of a dark purple colour and covered with long bent dark hairs, whence the specific name. They are curiously disposed, and remind one of some hairy animal that has been lifted out of the water the wrong way as regards the direction of the hair. The spadix is comparatively small, black, and also covered with hairs. The flower should be closely watched if its peculiarities are to be fully noted, as it not only opens quickly but soon begins to wither. During the short period that the flower is open the lower part of the spathe or belly becomes filled with all kinds of flies, being held by the spear-like hairs.

[Ill.u.s.tration: FIG. 17. ARUM CRINITUM.

(One-fourth natural size.)]

The leaves have long stalks, marked and tinted in a similar manner to that of the scape. They are curiously formed and twisted, pedate or bird-foot shaped, the outer segments twice cut, lance-shaped, and turned inwards or over the main part of the leaf; the leaves are of a deep green colour, and of good substance; they seldom exceed four in number to each plant or tuber.

This curious species should, as above indicated, have a warm situation, where it will also be comparatively dry in winter. Its propagation may be effected by division of the roots of strong specimens.

Flowering period, June and July.

Asters.

MICHAELMAS DAISIES, _or_ STARWORTS; _Nat. Ord._ COMPOSITae.

Hardy, perennial, and herbaceous. These are a numerous family, and many of them have an ungainly habit and insignificant flowers--in fact, are not worth growing, save as wild flowers in unfrequented places. I will mention a few of the finer sorts, which are mostly species: _A.

diversifolius_, _A. ericoides_, _A. grandiflorus_, _A. pendulus_, and _A. Dumosus_, these are all good, both in habit and flowers; _ericoides_ and _pendulus_ make really handsome bushes, but the very beautiful _A.

amellus_, and its more dwarf variety (_A. Mdme. Soyance_), have tempted me to write of these old-fas.h.i.+oned plants, which may be said to be wholly distinct, as their flowers are so very much brighter (dark purple, with a clear yellow centre), and the rays so much more evenly and compactly furnished. Their stems are 2ft. to 3ft. high, and flowered half their length with cl.u.s.ters of bloom about the size and form of full-grown field daisies. These wand-like spikes in a cut state are bright and appropriate decorations. In vases they are very effective, even when used alone. The flowers are very lasting, either cut or otherwise; the plants will bloom six or eight weeks.

These subjects will thrive in almost any kind of soil or position, opening their flowers during the dullest weather, and though they like suns.h.i.+ne, they will not wait for it. It is scarcely needful to further describe these well-known flowers, but, as well as the species, there are some bright and beautiful varieties which merit further notice. All the Starworts are easily increased by root division any time.

Flowering period, August to November.

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