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McCNAB—CULTIVATION OF CAPE HEATHS. 361 
from three to four inches deep, and the smaller pots about the same 
In proportion to their si There is scarcely any danger, geo 
5 cr vii 
raised a little higher in the pot at each shifting than it had been 
before, that is, after two or three shiftings, the old ball about the 
stem of the plant should be raised two or three inches above the 
: ot a new practice, nor, if it were, is it one of my own 
invention ; but from the good effects I have found result from it, I 
believe it is not so generally adopted as it ought to be. I was urged 
unsig 
It | i t present to speak of any other 
would be foreign to my purpose at p i a ee od 
When the upper part of the old ball of earth and the stem of the 
plant are raised above the level of the edge of the pot or tub, as I 
have directed, there is scarcely a chance of the plant suffering from 
too much water being given it, even in winter; for, if by chance it 
et too much, it can only be round the inside of the pot or tub, 
and at the extremity of the roots, the upper part of the old ball of 
earth and the stem being always so much higher, that the water runs 
down to the edge of the pot or tub, and the quantity of draining be- 
low will always keep the plant from suffering from a superabundance 
of water. It is also of advantage in winter to have the pots or tubs 
