30 THE FORCING GARDEN. 
for the summer, at which time the border and roots of 
the vines will get all the genial influences of the 
summer rains and oxidising influences of the air, 
which is of some importance, though little is thought 
about this matter. This is one of the chief causes why 
vines planted outside and where the ground is acted 
upon by the full rays of the sun thrive so much better 
than they do inside. As I have said before, the full 
influence of the sun upon the roots is as essential for 
“ NAN ANSE Soe 
> ax SH Sy AQ ANS WAN SAN SS > 
MMAR GASSS 
Fic. 12.—SECTION OF LATE VINERY, FACING WEST, AT AN ANGLE OF 45°, 
Reference to plan.—a, the back wall; B, the roof; c, the border protector; d, the 
nings along the front to admit air (these consist of my sliding shutters); z, 
the ventilation of same sliding shutters as the front, but larger; f/f, the vine 
border and ground prepared under the house; G, one flow-and-return hot-water 
pipe. 
the well-being of the vine as it is for the branches; in 
other words the warmth of the sun for the ground 
where the roots are is absolutely necessary, and when 
planted inside the house it can never come to them 
well. I have seen and have before mentioned the good 
effects of the sun’s influence upon the roots of the 
vine. 
The late vinery should be provided with means of 
applying heat when it is wanted, for sometimes our 
