176 TH FORCING GARDENER. [fi. J, 



* 



air can be admitted in all parts, is certain- 

 ly to be preferred ; and none can be fo 

 convenient for this purpofe as a fingle one : 

 and where it is in agitation to ered: one, I 

 would recommend fuch as is reprefented 

 by Fig. 2. Plate i. 



For the fake of ^uniformity, if placed in 

 a range of vine and peach houfes, &c. it 

 may be raifed to the fame height with 

 them ; obferving to raife the bark-bed ac- 

 cordingly, the furface of which fhould not 

 be farther than four or five feet from the 

 glafs. The fucceffion-houfe may alfo (if 

 requififre) be of the fame conftrudion ; and 

 a nurfmg pit (See Fig. i. Plate I.) will be 

 found to be of great advantage, and anfwe? 

 the purpofe perfedly. 



The fituation is immaterial, provided the 

 furface be dry, as the bark-bed is raifed 

 above it, and paved. And hence it ap- 

 pears that I do not approve of a border 

 being made in front for the produdion of 

 grapes to be trained up the rafters, which 

 I efteem as being highly prejudicial to the 

 Pines. For my method of preparing the 

 border, and training vines in the Pinery, 



See 



