. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 1572. Lean-to house with northern aspect for Odontoglos- sum crispum and other New Granadan Orchids. fairly illustrates a properly constructed house. The quantity of pipe required for heating a house depends upon the location and degree of heat desired. A slab or board should be placed along the back of the sid
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 1572. Lean-to house with northern aspect for Odontoglos- sum crispum and other New Granadan Orchids. fairly illustrates a properly constructed house. The quantity of pipe required for heating a house depends upon the location and degree of heat desired. A slab or board should be placed along the back of the side beds to throw tlie heat against the eaves and protect the plants from direct heat before it has assimilated with the moisture of the house. The New Granadan house should be a lean-to struc- ture of northern aspect, wilh a wall of stone or brick along the south side to protect it from solar infltience as much as possible (see Fig. 1572). The glass should be protected by canvas roller shades raised 15 or 20 inches above the glass on framework. One side of the canvas should be tacked along the top of the house, and the other to a round wooden roller 3 or 4 inches in diameter and as long as convenient to draw up; the two ropes should be fastened to the ridge, carried down beneatli the shade around the roller, and up over the top to a single pulley near the ends; thence through a double pulley in the center and down over the top of the shade to the ground. By these ropes the shade can be raised and lowered in cloudy and bright weather at will (see Pig. 1573). Solid beds and piping similar to the other Orchid houses can be used, or as in Fig. 1571; viz., a flow and return down each side connected with valves so that either or both sides may be used as desired. Shading of some sort on the glass is neces5ary for all Orchid houses from early February until November,. 1573. Cross-section of New Granadan Orchid house to show solid beds and methods of heating and shading. and in some cas
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