PROPAGATION OF ALPINE PLANTS 53 
alpine propagator. It is, however, a matter of importance 
to keep the cuttings in as still and steady an atmosphere 
as possible. Draughts, sun heat, and violent changes of 
temperature cause flagging, and in recovering therefrom 
energy is exhausted which hampers the process of rooting. 

A BRANCH OF LITHOSPERMUM PROSTRATUM, SHOWING AT A SUITABLE 
SHOOTS TO BE STRIPPED OFF FOR CUTTINGS. 
The longer shoots at B are not suitable, but should be left to flower. 
Left-hand: Cuttings inserted round the rim of a pot. 
The best place, therefore, for a propagating frame is a 
shady corner at the foot of a high wall, and the lights 
should be kept closed until it is seen that the cuttings are 
making good new growth. Where the accommodation of a 
frame is not available, or when only a pot or two of cuttings 
are to be dealt with, a suitable stillness of atmosphere can 
