17 
LSTf. 
rendle’s reversible walls. 
season, arises from the forwardness of the blossoms. Eetard them by "any 
means for a week or a fortnight, and the crop is saved. A canvas screen tacked 
between them and the sun would keep them back; nor would this shade 
weaken them much when the north side had a glass face over it. The trees 
would enjoy the light, without being pushed forward by the heat of the sun. 
During a spell of dull weather, the relative position of the transparent and 
