. The book of the garden. Gardening. GREENHOUSES. 385 Fig. 521. parts, the opening being 6 inches wide, and extending the whole length of each ridge. Fig. 521 is a section on C D. The front elevations—for all the sides are alike—of such a structure would present a straight line of columns in any style of architecture suitable to the situation and surrounding objects: their capitals and friezes would form a parapet not much exceeding the top of the ridges, which would give a fin- ished appearance to the whole, and hide the roof, which, in most conservatories upon architectural principles, is ve
. The book of the garden. Gardening. GREENHOUSES. 385 Fig. 521. parts, the opening being 6 inches wide, and extending the whole length of each ridge. Fig. 521 is a section on C D. The front elevations—for all the sides are alike—of such a structure would present a straight line of columns in any style of architecture suitable to the situation and surrounding objects: their capitals and friezes would form a parapet not much exceeding the top of the ridges, which would give a fin- ished appearance to the whole, and hide the roof, which, in most conservatories upon architectural principles, is very ob- jectionable. The panelling or frieze be- tween the capitals should be of glass, giving greater apparent height to the eleva- tion, and casting less shade than if it were constructed of opaque substances, such as wood or iron. We have submitted this style of roof to a high engineering authority, who states that there would be no difficulty in constructing such roofs to any extent in length, and from 100 to 150 feet in width, and probably even more. Those we have consulted have now prepared more detailed drawings and calculations than is necessary for our present purpose, and are ready to construct such roofs upon the shortest notice. § 2.—GREENHOUSES. The greenhouse differs from the conser- vatory, principally in containing smaller plants, and these for the most part being in a portable state; and also in being a house of smaller dimensions, and without architectural pretensions. Of all forms for a greenhouse, that of a lean-to is decidedly the worst, and that of the span or curvilinear the best. Peaches and vines may be grown to the greatest degree of perfection in lean-to houses; but green- house plants seldom can, as the merits of the latter greatly depend on the symmetry of form—and this cannot be attained unless every part of the plant is equally exposed to light, air, and sun- shine. It is true, there are many plants that will thrive with much less light th
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectgardening, bookyear18
