. 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. 1170 ORCHID ORCHID aged, and enlist tke energy of every Orchid cnltunst, not necessarily for the production of hybrids alone, but also for the reproduction of rare species and varieties, and a number of species which are fast decreasing or becom- ing extinct in their native homes. Aside from the finan- cial ind
. 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. 1170 ORCHID ORCHID aged, and enlist tke energy of every Orchid cnltunst, not necessarily for the production of hybrids alone, but also for the reproduction of rare species and varieties, and a number of species which are fast decreasing or becom- ing extinct in their native homes. Aside from the finan- cial inducement offered the commercial grower, it will apices and on new growths of deciduous and plicate- leaved species, indicate either lack of sufficient water at the roots or an overdry atmosphere, both of which conditions can be easily changed. Snails and /nsec^s. —Orchids are attacked by many forms of snails. Insect pests are a great annoyance. 1586. Eight months from seed. {Phaius Wallichii.) 1587. A year from the seed. {Cattleya inter media X C. labiata.) 1588. Thirteen months from seed. {Cypripedium.) prove instructive to the botanist and afford infinite pleasure and pastime for the amateur. Diseajics. —Orchids are subject to many diseases. Those having importance from a cultural standpoint and raost troublesome to the grower are known as wet- and dry-rot and spot. Wet-rot is caused by an overmoist or stagnant atmosphere, and is usually first detected by a semi-transparent appearance of the parts affected, which soon become dark brown. It spreads slowly along the tissue. If noticed at the commencement it can be readily checked by slitting the epidermis with a sharp knife and removing tlie plant to a more airy position in the house for a few days. Dry-rot is caused by a fun- gus which attacks the rhizome of the plant. It is often produced through burying the rhizome or base of the plant with compost. Cypripediums are subject to it. Large, healthy growths when attacked quic
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