Circular House for Forcing Grapes. 
309 
those of the new shoots were, and are, shaped like a Vine or Oak leaf, 
[fig. 40] The texture, substance, and feel of the leaf are the true Mul¬ 
berry, but the shape of every leaf of the new shoot is such as you see in 
40 
the specimen I send'you. In my neighbourhood we have several good 
gardeners, to whom I have shewn this curiosity, as likewise to some 
other first-rate horticultural men. As none of these have ever seen such 
an instance, I am induced to send this account to you, to see if it will 
elicit from any of your correspondents, a solution of the cause of this, 
and its probable eflPect upon the tree. 
Gentlemen, 
Yours, obediently. 
Palmer's Green, Oct. 24, 1831. W. R. 
‘ r . . • 
Article XIII . — Description of a Circular House for Forcmg 
Grapes the whole Year. By Mr. John Haythorn, late 
Gardener to the Right Hon. Lord Middleton, Wollaton 
Hall,, near Nottingham. 
Gentlemen, 
As you seem to have considered my ideas on the erection of 
a House for growing early Grapes worthy of a place in your Register, I 
have again sent you a few thoughts, which, though hastily put together 
