172 



ORCHID -GROWER S MANUAL. 



plenty of ventilation during fine weatlier, but avoid cold 

 draughts. 



A season of rest is very advantageous to the plants, causing 

 them to flower more freely and to grow more vigorously 

 afterwards. Those plants which are growing on blocks 

 will require a good supply of water at their roots every 



CATTLETA ACLA^TDIvE. 



day during summer, and twice or three times a week in 

 winter. 



Cattleyas require to be kept perfectly clean and free from 

 insects. They are subject to the white scale, which should 

 never be allowed to establish itself, as it is then difficult to 

 remove, and the plants are in great danger of being injured. 

 Jn order to keep the plants free, they should be carefully looked 



