Culture of Vine-apples. 
part of the houfe, keeps it much hotter than in any 
other part. The temperature at that place is, I believe, 
feldom lefs than what is indicated by the 7 3d degree of 
Fahrenheit’s thermometer, and when the Sun fhines it 
is often at above 1 oo° : the water the plants grow in feems 
to enable them to bear the greateft heat, if fufficient air 
be allowed ; and I often fee the roots of the plants grow- 
ing out of the holes in the bottom of the pot of earth, 
and fhooting vigoroufly in the water. 
My hot -houfe (the dimenfions of which it may be 
proper to know) is fixty feet long, and eleven feet wide 
the flues included; fix feet high in the front, and ele- 
ven feet at the back on the infide of the houfe. It 
is warmed by two fires. A leaden trough or ciftern on the 
top of the back flue is preferable to my flielf, as in it the 
pine-plants grow much falter in the winter, the water 
being always warmed by the flue : of this I have feen the 
great benefit thefe laft two months in my neighbour- 
hood. It is not foreign to this purpofe to mention that, 
as a perfon was moving a large pine-plant from the hot- 
bed in my houfe laft fummer, which plant was juft 
fhowing fruit, by fome accident he broke off the plant 
juft above the earth in which it grew, and there was 
no root whatever left to it: by way of experiment I 
4 P 2 took 
