Greenhouse bulbous plants suitable for the cool house. In warm sheltered positions they may be grown in the open ground. Pot in the autumn in a compost of three parts loam, equal parts leaf-mould and sand.
It is not advisable to disturb these plants too often and thoy should only be repotted every four or five years, but a top dressing with a rich compost annually will be of great assistance. A moderate amount of water should be given until the foliage dies down, when this should gradually cease.
When the flowers are opening, a weak dose of liquid manure should be given to stimulate growth. Increase by offsets removed when repotting.
Odontoglossum. Greenhouse orchids which have been greatly improved of late years by hybridists. They should not be watered too freely, but should be kept in a uniformly moist atmosphere during the summer. (For cultivation see under ORCHID).
Pancratium. Greenhouse bulbous plants with fragrant flowers. Repot in spring in a compost of three parts loam, equal parts dried cow manure, leaf-mould and sand. The plants should be left undisturbed for as long as possible and should only be repotted when they become pot-bound.
Give plenty of water during the grow- ing period, but after the flowering period, water should be gradually withheld. Weak doses of liquid manure may also be given during the growing season. A temperature of 65 to 75 degrees should be maintained in the summer, while the winter temperature should be 50 degrees. Increase by offsets removed at potting time.
Passiflora. Semi-evergreen climber with fragrant flowers. Generally grown in the cool greenhouse, but in sheltered districts it may be grown in the open ground. It will thrive in any ordinary garden soil. Increase by cuttings or by seeds sown in mild heat.