January, 1923] THE ORCHID REVIEW. 5 
cover these to prevent the upper mixture of compost from working down 
| hold about 18 bulbs. 
The potting compost is best composed of equal parts fibrous loam, peat or 
moe 
into them. Pots or pans eight inches in diameter wi 
other fibre, and chopped sphagnum moss, intermixed with coarse silver 
sand. Fill up with compost to within an inch of the brim of the pot or 
HOOKERIANA 
i) 
PLEIONE 
pan, and surface with living moss, the latter being an essential point in 
their successful cultivation. During active growth the foliage must be kept 
clean by frequent syringing underneath, at least once a day, for attacks of 
red spider are common. After being repotted, water should be applied 
sparingly and with care until the roots are well into the compost. Plentiful 
supplies should be given during the growing season, after which lesser 
quantities are needed. 
