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as many different Heats, by making 

 the Houfe warm enough for feme 

 Plants; others, by having too much 

 Heat, are drawn and fpoil'd. 



The other Sort of Stoves are com- 

 monly call'd Bark Stoves, to diftin- 

 guifti them from the Dry Stoves al- 

 ready mention'd. Thefe have a 

 large Pit, nearly the Length of the 

 Houfe, three Feet deep, and fix or 

 feven Feet wide; according to the 

 Breadth of the Houfe ; which Pit is 

 fill'd with frefh Tanners Bark to 

 make an Hot- bed; and in this Bed 

 the Pots of the moft tender Exotic 

 Trees, and herbaceous Plants, are 

 plunged : the Heat of this Bed being 

 moderate, the Roots of the Plants 

 are always kept in Action ; and the 

 Moifture detain'd by the Bark keeps 

 the Fibres of their Roots in a ductile 

 State, which in the Dry Stove, 

 where they are placed on Shelves, 

 are fubject to dry top fall, to the 

 gr-at Injury of the Plants. In thefe 

 Stoves, if rhey are rightly contriv'd, 

 may be preferved the moft tender 

 Exotic Trees and Plants, which, 

 before the Ufe of the Bark was in- 

 troduced, were thought impolftble 

 to be kept in England: but as there 

 is fome Skill required in the Stru- 

 cture of both thefe Stoves, I mall not 

 only defcribe ti em as intelligibly as 

 poffible, but alfo annex a Plan of the 

 Bark Stove hereto ; by which it is 

 hoped every curious Perfon will be 

 capable of directing his Workmen 

 in their Structure. 



The Dimenfion of this Stove 

 mould be proportion'd to the Num- 

 ber of Plants intended to be preferv- 

 ed, or the particular Fancy of the 

 Owner ; but their Lengtn mould 

 not exceed forty Feet, unlefs there 

 are two F; re-places ; and in that 

 Cafe it will be proper to make a 

 Partition of Glafs in the Middle, 

 and to have two Tan-pits, that there 



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may be two different Heats for 

 Plants from different Countries (for 

 the Reafons before given in the Ac- 

 count of the Dry Stoves) ; and were 

 I to erect a Range of Scoves, they 

 mould be a 1 built in one, and only 

 divided with glafs Partitions, at leaft 

 the half way toward the Front ; 

 which will be of great Advantage to 

 the Plants, becaufe they may have 

 the Air in each Divifion fhifted by 

 Aiding the Glaffes of the Partition?, 

 or by opening the Glafs d^or, which 

 mould be made between each Divi- 

 fion, for the more eafy Paffage from 

 one to the other. 



This Stove mould be raifed above 

 the Level of the Ground, in propor- 

 tion to the Drinefs of the Place ; for 

 if it be built on a moift Situation, 

 the Whole mould be placed upon 

 the Top of the Ground ; fo that the 

 Brick- work in Front muft be raifed 

 three Feet above the Surface, which 

 is the Depth of the Bark-bed, where- 

 by none of the Bark will be in Dan- 

 ger of lying in Water ; but if the 

 Soil be dry, the Brick-work in Front 

 need not be more than one Foot 

 above-ground, and the Pit may be 

 funk two Feet b~low the Surface. 

 Upon the Top of- this Brick-work 

 in Front muft be laid the Piate of 

 Timber, into which the Wood-work 

 of the Frame is to be mortifed ; and 

 the upright Timbers in Front muft 

 be placed three Feet afunder in the 

 Clear or fomewhat mor \ w:.ich is 

 the Proportion of the Width of the 

 Glafs-doors or Salhes : thefe mould 

 be about nx Feet and an half, or fe- 

 ven Feet long, and plac'd upright ; 

 but from the Top of thefe fhould 

 be Hoping Glades, wh,ch mould 

 reach within three Feet of the Back 

 of the Stove, where there mould be 

 a ftrong Crown -piece of Timber 

 placed, in which there mould be a 

 Groove made for, the GlafTe* to Aide 

 4 * 2 into. 



