72 
LAYERS. 
[chap. IV. 
necessary to remove it, be slipped off the 
parent and planted like a rooted cutting. 
As, however, the nourishment it can expect 
to derive from its own resources will be at 
first much less than what it obtained from its 
parent, it is customary, when a sucker is re¬ 
moved, to cut in its head, to prevent the 
evaporation from its leaves being greater than 
its roots can supply food for. Sometimes 
when the parent is strong, part of the hori¬ 
zontal root to which the sucker was at¬ 
tached is cut off and planted with the young 
plant. 
Suckers of another kind spring up from 
the collar of the old plant, and when removed 
are always slipped, or cut off, with the fibrous 
roots that they may have made, attached. 
Offsets are young bulbs which form by the 
side of the old one, and merely require 
breaking off, and planting in rich light soil. 
Runners are shoots springing from the crown 
or collar of the plant, which throw out roots 
at their joints; and which only require divid¬ 
ing from the parent plant and replanting in 
good soil to make new plants. 
Layers .—-Many plants, when kept in a 
