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CULTURE OF THE GENUS ONCIDIUM. 
With regard to temperature, they seem to grow vigorously in a damp stove 
with other orchideous plants of similar habits. Messrs. Loddiges have observed 
that 0. bifolium (fig. 1.) will not thrive in a pot, they therefore fix their plants to 
a piece of decayed wood, with the bark on, and a little moss fastened upon it. We 
have plants trying both ways, at Chatsworth, but experience has not yet taught 
us whether the potted one will thrive or not. 
As the roots are often damaged at the time of shifting, we recommend large pots 
to be used, and let these be well drained with broken potsherds, as above. 
The best time of potting is when they are not in a state of vigorous growth ; and 
they should always be allowed to become dry for some time previous to shifting. 
This applies to all the tribe with strong adhering roots. They all occasionally 
increase by offsets. 
