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Roof Gardens.

This is a style of gardening that finds its way into Sydney but slowly, but as skyscrapers increase in number it will become an absolute necessity for roof-cafés, the roof-gardens arranged for employees, the roofs of clubs and. other institutions, caretakers' quarters, and so on. The chief trouble is in regard to high winds. When people are seized with the desirability of roof gardens they will make arrangements for a convenient water supply, and as all buildings are fitted with lifts, there will be no difficulty in bringing up soil and other garden requisites after hours. Ornamental boxes, tubs, and fountains will be freely used.

For the taller plants-starers: let us try Palms, Dracænas, Araucaria excelsa, while in a young state, they are bushy; Pandani (Screw pines), the hardy kinds, as the one on our coast or Lord Howe Island.

Shrubs. — These should be fairly large before being tubbed. Laurustinus, Euonymus, Oleander, Coprosma Baueriana (especially the variegated kinds), Eulalia japonica (a beautiful grass, graceful for the summer).

Small Plants. — Arums, Aspidista, hardy ferns, especially Birds' Nest fern, Stag-horn, &c., Rock-Lily.

Ivy of sorts for trailing and filling up generally. Asparagus, c.g., plumosus, will be also valuable in this connection.

Then hanging baskets can be introduced according to requirements.

Of course, these plants will be well planted in tubs or boxes by professional gardeners, who will attend to the soil, drainage, &c. They should he suitably watered and the leaves sponged occasionally. Each winter they will require the attention of a professional gardener who will re-box, if necessary, attend to the soil, prune if necessary, and so forth.

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