Propagation
Division is the normal method of propagation and is carried out after flowering.

Remove back bulbs and pot up separately.
These plants have fragile root systems and care should be taken when re-potting.

Botanic information
Leaf: The dark green lanceolate leaves may be pendant with a leathery or fleshy texture. The two or more leaves are produced from the top of the pseudobulbs. 

Flower: The brown labiate flowers have a heavily veined indigo-blue lip. They are arranged in an upright raceme that emerges from the base of the pseudobulbs from winter to spring and some species flower again during autumn.

Fruit: These plants produce a single chambered capsular fruit that contains many small seed with no endosperm. The small seeds are viable but the plant is commonly reproduced vegetatively, to maintain true to type. 

Culture
Water and Humidity
When watering do not allow the medium to become soggy wet, allow the pot to dry a little before watering again. 
If the pot is placed in a saucer of water this will increase humidity and maintain moisture for the pot. Some soil mixes may become soggy so place some small stones under the pot to lift it out of the water.

Re-potting
When selecting a pot for the plant try to choose the correct size, not too large. 
The medium that is used should be well drained. When potting place styrene or bark in the base and then hold the plant in place filling in around it with bark or selected compost. Fill to the top of the pot level then sprinkle with selgrit (crushed limestone). Water thoroughly and allow to drain off. Be consistent with your potting mix for each occasion.