282 THE ORCHID REVIEW. [SePTEMBER, 1923.. 
firmly as the older examples. Slugs frequently make their appearance in: 
the new moss and should be trapped by placing lettuce leaves on the stages. 
among the plants, they should be sought for in the late evenings and early 
mornings. 
MASDEVALLIAS.—In a representative collection of these plants, there are: 
some species and hybrids in bloom at all seasons. The winter flowering 
M. tovarensis should not be disturbed at the roots at this period, and the 
same remarks apply to the Chimera group, but for the majority of the 
members of this genus the best time for re-potting is during September 
and February, the present time is preferable, as the roots are more active: 
than at any other season. New leaves are developing, and young roots will 
soon be produced ; the latter will quickly grow into the new compost and. 
establish themselves firmly before the winter arrives. Healthy specimens 
with sufficient rooting space for another season, if the soil is in good 
condition, will not need re-potting, this will be an advantage, if well-. 
flowered plants are required, as they seldom bloom so well the first season 
~~ after re-potting. When the soil» has become sour it may be picked out 
carefully from between the roots, down to the drainage, and new compost 
worked in to replace the old, taking care not to disturb the roots more than: 
is necessary. Large plants which have lost a number of their leaves and 
have in consequence become bare in their centres, should be divided, and, 
after cutting away any dead portion, may either be potted up in small pieces 
or made up again into specimens. The stronger growing kinds are vigorous 
plants and require plenty of rooting space, and are best grown in pots or 
rather deep pans. Others that are not such strong growers should not be 
afforded so much rooting space. The dwarf growing kinds, such as M. 
O’Brieniana, M. Shuttleworthii and others of this type should be placed in 
shallow pans, the receptacles should be well drained, and the potting. 
materials may consist of chopped osmunda-fibre, Ar-fibre and sphagnum 
moss. Fora few weeks after re-potting, afford water very sparingly, pour 
it around the inner edges of the receptacle. As the plants become re- 
established the amount of moisture should be gradually increased. Shade 
the plants from bright sunshine, and grow in a moderately moist atmosphere. 
If a special house is not devoted to these plants, they may be placed in the 
warmest and shadiest part of the Odontoglossum house. 
CATTLEYAS, L#LIOCATTLEYAS, BRASSOCATTLEYAS.—Seedlings raised 
from late sown seed should be far enough advanced in growth for trans- 
planting. Itisimportant that each plant be potted separately at the earliest 
possible time, those pricked off now will have to make roots before winter- 
Where space is limited, so that the plants cannot be accommodated singly 
in very small pots, several may be pricked out together into small pans, 
Seedlings that have matured their first pseudo-bulbs will be sending out 
