. Le livre du jardin. Le jardinage. ORCHID-Maisons. 411 l'ensemble de la scène et plancher peut être sur- coulait avec l'eau à plaisir. Le coulé les étagères sont remplies de petits cailloux, et sur ces les pots sont placés. A Grecian fontaine est placé dans le centre de la maison, l'eau de laquelle tombe dans une cuvette où les plantes aquatiques sont cultivés. Les eaux usées sont acheminées dans un grand réservoir de 2000 gallons, qui est utilisée pour les plantes, tuyaux, &c'est tout, et l'eau de pluie provenant de la toiture de ce et d'autres immeubles jouxtent- ing. L'espace sous le stade est utilisé pour forcer mer-ka

• Contributeur: Library Book Collection
• ID de l’image: RHBTR9
• Taille du fichier: 7,1 MB (290,9 KB Téléchargement compressé)
• Autorisations: Modèle - non | Propriété - non
• Dimensions: 1887 x 1324 px | 32 x 22,4 cm | 12,6 x 8,8 inches | 150dpi

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. The book of the garden. Gardening. ORCHID-HOUSES. 411 the whole stage and floor can be over- flowed with water at pleasure. The sunk shelves are filled up with small pebbles, and on these the pots are placed. A Grecian fountain is placed in the centre of the house, the water from which falls into a basin in which aquatic plants are cultivated. The waste water is conveyed into a large tank holding 2000 gallons, which is used for the plants, pipes, &c, and is all rain water collected from the roof of this and other buildings adjoin- ing. The space under the stage is used for forcing sea-kale, mushrooms, and rhubarb, during winter. The house is heated by hot-water tanks, and pipes underneath them to return the water to the boiler. The tanks are metal, and the boiler used is one of Burbidge and Healy's ribbed ones, which, Mr Lyon thinks, is a decided improvement, as it exposes a much larger surface to the action of the fire, and thereby derives a much greater benefit from the same quantity of fuel than could be obtained by a plain boiler. The orchid-house in the Belfast Botanic Gardens, fig. 565, differs from the fore-. going examples, inasmuch as it is of the lean-to form, whereas all the others are span-roofed. The same error has been fallen into here as in other houses we have noticed—namely, the carrying the stone shelves in front into the parapet wall, thereby preventing the ascent of heat from the pipes. We observe also, that Mr Ferguson, the highly respectable curator, has his plants set on stone tables, the centre one especially, so arranged at the edges as to hold water, upon which the plants are set; but they are elevated a few inches above it, being set on stones or otherwise raised. There are two prin- cipal reasons given by cultivators for adopting this practice—namely, to secure the plants from the attacks of wood lice, cockroaches, &c, and also to give out humidity to the atmosphere. Cleanli- ness prevents the attacks of the former, and copi

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• bookdecade1850
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