May, 1907.] THE ORCHID REVIEW. 135 
filling the pots one-third with crocks and rhizomes, and cover with rough 
material to prevent the fine particles working down. Potting should be 
done rather firmly, keeping the surface of the compost a little below the 
rim of the pot. A great mistake is often made by placing this grand 
Orchid in too shady a position. It requires a stove temperature, and it is 
essential to shade during bright days. If it can have the benefit of strong 
light and heat, with an atmosphere well charged with moisture during the 
growing season, it will thrive satisfactorily. Water should only be given 
for some time as the plants become dry, but when the growth is attaining 
its full dimensions, and swelling its new pseudobulbs, copious supplies will 
be beneficial. Flowering plants will require a fair amount of water whilst 
developing their spikes; the one point to observe being that the pseudo- 
bulbs are not allowed to shrivel ; otherwise the new growth will be retarded 
from the start. It is a great pity that we so seldom see this and many 
another really magnificent Orchid in our present day collections. When 
the time again comes that Orchids are grown by. amateurs for their 
beauty rather than for their value, many of the old-time favourites will once 
again be popular. 
_ EPIDENDRUM VITELLINUM.—The growths on the form that produces its 
spikes during the autumn months will now be advanced sufficiently to 
enable any repotting or surfacing being done. If the plants are in good 
condition do not disturb them, beyond renewing the surface material for 
the new roots to enter. They love a strong Tight, and should be grown 
suspended in a buoyant atmosphere, in the Cool intermediate house, not far 
from a ventilator. The compost used for Cattleyas will be very suitable, 
and when growth is most active they should be well supplied with water. 
LycasTEs.—Many of these, such as L. macrophylla, leucantha, 
aromatica, Skinneri, in its many fine forms, Deppei, and candida, will now 
be well started, and when the new growths are about three inches high is 
a very suitable time to carry out any repotting necessary. A good compost 
consists of two parts good fibrous loam to one part each of leaf soil and 
peat, with some small crocks and coarse sand. .A good drainage is 
essential, pot moderately firmly, and surface with chopped sphagnum. 
Place them in the Intermediate house, and give frequent damping between 
the pots and overhead spraying, which will be helpful. For some time 
after potting, water only as they become well dry, increasing the supply 
as the growths develop. 
BIFRENARIA HARRISONIZ.—In the culture of this fine species I do not 
care to use any loam, preferring a mixture of one-half peat, the other half 
made up of equal parts of leaf soil and sphagnum. I also prefer growing 
them suspended, in the Intermediate house, where they can get much light. 
During the summer season they require water freely. 
