ALPINE PLANTS IN POTS AND PANS 63 
This phase of alpine plant culture is one of such vast 
possibilities that it is well worthy of the provision of a special 
house, an excellent pattern being on the lines of that shown 
in our illustration. 
Here the lantern roof affords the best means of ventilation, 
for the whole of the vertical lights running the entire length 
# WEE y = j _ 
SLIDING VENT 
A 

A WELL-CONSTRUCTED ALPINE HOUSE, ADMITTING THE MAXIMUM OF LIGHT 
AND VENTILATION. 
immediately below the ridge of the roof can be opened on 
the leeward side on windy days or both sides when the 
atmosphere is still. 
It will also be noted that sliding shutters are fixed on the 
side walls below the level of the staging. These should be 
opened daily, and may be left open at night except in very 
