124 THE ORCHID REVIEW. {APRIL, 1913 
any other cause, should be carefully shaken out and placed in pots just 
large enough to hold them. Dead and decayed roots should be removed. 
Lycastes succeed in a similar compost to the green-leaved Cypripediums. 
Puatus.—The species and hybrids of this genus will also require 
attention at this season as regards repotting. They succeed in a similar 
compost to that advised for Lycastes. Owing to the large quantity of 
water required at the roots when in full growth, it is essential that the pots 
should be well drained. With the exception of P. tuberculosus, which 
delights in a high temperature, an intermediate temperature will answer 
their requirements. 
SPATHOGLOTTIS.—These useful Orchids also succeed in a_ similar 
compost to the two preceding genera, and will now need attention as 
regards repotting. The plants require the temperature of the warmest 
house, and must not be exposed to strong sunshine at any time. When in 
full growth they require liberal supplies of water at the roots, and frequent 
spraying on the undersides of the leaves, to prevent attacks of red spider 
and other pests. 
CaTASETUMS, CyCNOCHES, and MormMopeEs.—As the young growths of 
these quaint and fascinating Orchids are seen to be pushing from the base 
of the pseudobulbs they should be repotted. They require this attention 
annually, and succeed in a similar compost to Cattleyas. The pots must 
be well drained, and the plants potted moderately firmly. The pseudobulbs 
should be made secure, as, being heavy, they easily sway about, and if this 
is allowed they cannot establish themselves properly. No water must be 
given to the plants for some considerable time, as should the compost 
become wet from any cause there is a danger of the young growths 
decaying. The plants like a light position in the warmest house when in 
active growth, and should be rested in the same way as Dendrobiums. 
C@LOGYNE CRISTATA, as the plants commence to make new growths, 
may be repotted. Those that are in good condition should not be 
disturbed, as no Orchid resents being pulled to pieces more than this, and 
after being disturbed it often shrivels much. Where a considerable stock 
of this old favourite is grown it is desirable to repot a few plants each year, 
as they seldom flower satisfactorily the first year after being disturbed, in 
fact it is the best practice to remove any flower spikes which appear that 
season. A compost similar to that used for the green-leaved Cypripediums 
will answer their requirements. Any other Ccelogynes that have passed 
out of bloom and are making new growths may also have attention. The 
sweet-scented C. sparsa must not be overburdened with compost about its 
roots. The majority of these plants delight in an Intermediate house 
temperature during the summer months, and when well established and in 
full growth, an abundant supply of water at the roots. 
