372 THE GREEN-HOUSE. [chap. xi. 
they are in a growing state. They should 
also have as much air and light as possible. 
The water should never be suffered to stand 
in the saucer of any succulent plant; but 
it should be given regularly, diminishing the 
quantity a little every day as the season for 
rest approaches. If the water be suddenly 
stopped the leaves of the plants will shrink 
and become flaccid,, and when this is the 
case, the plant generally dies. A deficiency 
of air on the other hand will cause the plant 
to damp off. All succulent plants are very 
soon affected by frost. 
The Australian plants , of which so many 
beautiful kinds have been introduced within 
the last few years, should nearly all be grown 
in a mixture of sand and peat; and they 
should have their pots filled one-third with 
potshreds. They all require abundance of 
water, but they will all perish if water is 
retained about their roots. Most of the 
Australian plants are very tenacious of life, 
and if cut down when they appear dead, 
they will generally spring up again from the 
collar or the roots. 
The principal climbing plants grown in pots 
