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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1854 Excerpt:... in this, a concealed path is left at b' which may be masked by Tkumbergia aXata, or some other climbing-plant, so as to enable the gardener to get on the path d, to water the plants on the shelf (a). The stage may be composed of flagstones supported by brick piers (c). There is a front shelf for bushy ornamental plants at t. This house is to be heated by hot-water pipes, shown at /; or by smoke-flues in the same space, omitting the pipes. A house of a different description, in which vines may be grown, and manure introduced to afford bottom-heat, is shown in figs. 32 and 33. This house is only intended to force flowers, so as to have Roses at Christmas, &c.; or to keep them during winter; and it has no heat but what is afforded by the manure. Where horses are kept, this house is a very cheap one. Greenhouse Plants are those which will not bear the cold of a British winter in the open air, but that only require to be protected from frost. Many persons injure their greenhouse plants by giving them too much heat in winter, and too litle air in summer, and are then surprised to find their plants die, or at least become sickly, and remain without flowering, notwithstanding all the care that has been bestowed upon them. No greenhouse ought to be kept at a greater heat at night than from 35 to 40 during winter; but the thermometer ought never to be suffered to fall below 35. In the day, particularly if there be sunshine, it will of course rise higher; but the fire should be lessened accordingly, as the thermometer, even in sunshine, should not rise in winter above 50, or at most 52 or 53. A higher temperature will induce premature vegetation; and the plant will waste its strength in an abortive attempt to produce flowers and seeds at a season when its nature...