194 
THE FLORAL WORLD AND GARDEN GUIDE. 
drainage are both essential, for abundant supplies of water 
will be necessary, and the proper means must consequently be 
resorted to for preventing the material about the roots becoming 
sour. A mixture of sphagnum moss and fibrous peat of good 
quality, chopped up moderately and well incorporated together, 
will suit them admirably ; indeed, nothing better could possibly be 
had. The pots will require filling to about half their depth with 
clean crocks, and the largest pieces put in the bottom, with the 
smaller ones spread over them. In repotting established plants, the 
loose material must be removed, and the outside roots loosened 
slightly, when it can be done without the slightest injury to them ; 
and in all cases the base of the pseudo-bulbs must be raised 
slightly above the level of the rim of the pot. They at all times 
require liberal supplies of water, and from the end of February 
until the beginning of October they will require watering every day. 
During the winter the watering must in a great measure be regu- 
