PROPAGATION, BREEDING II3 
to whitish coloured roots. If it has black 
roots, it is not a new freshly produced plant, 
but is an old plant. These old ones are not 
as desirable to set out, as larger and bet- 
ter fruit is produced on younger plants. 
There has been much talk about the pot- 
grown plants which are advertised for sale 
in the late summer or early fall. These can 
be easily grown by filling with good soil and 
sinking a two or three inch pot into the ground 
just under the joint in the runner where the 
new plant is to develop. When the new 
plants have produced a sufficient number 
of roots, so that the pots contain a com- 
pact mass or ball, the runners are care- 
fully severed and the pots with the plants 
are lifted and are ready to sell. 
They may be sent to the purchaser with 
the pot, or the pots may be removed and 
each plant rolled separately in a piece of 
paper, generally a newspaper, or may be 
packed in boxes and shipped without wrap- 
ping. One hundred plants, pot-grown, cost 
without pots, about $3, or 50 cents a dozen. 
The cost of these plants is, of course, more 
than for the spring or fall dug plants, owing 
to the labour involved and the fact that 
