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A Bed thus prepared (if the Bark 

 be new, and not ground too fmall) 

 will continue in a good Temper of 

 Warmth for two or three Months ; 

 and when you find the Heat decline, 

 if you ftir up the Bark again pretty 

 deep, and mix a Load or two of frefh 

 Bark amongft the old, it will caufe 

 it to heat again, and preferve its 

 Warmth two or three Months long- 

 er : there are many People who lay 

 fomehct Horfe-dung in the Bottom 

 of theTrench, under the Bark, to cauie 

 jt to heat : but this is what I would 

 never pra£life, unlefs I wanted the 

 Bed fooner than the Bark would heat 

 of itfclf ; and then I would put but a 

 fmall Quantity of Dung at Bottom- ; 

 for that is fubject to make it heat too 

 violently, and will occafion its lofe- 

 ing the Heat fo9ner than ordinary ; 

 fend there will never be any Danger 

 of the Bark's heating, if it be new, 

 and net put into the Trench too wet, 

 tho 1 it may fometimes be a Fortnight 

 or more before it acquires afuilicient 

 Warmth ; but then the Heat will be 

 more equal and lafting. 



The Frames which C07er thefe 

 Beds mould be propertion'd to the 

 feveral Plants they are defign'd to 

 Contain : for Example, Jf they are to 

 cover the dtuma or Pine-apple, the 

 Back -part of the Frame mould be 

 three Feet high, and the Lower- 

 part fifteen Inches, which will be a 

 fuincient Declivity to carry oft the 

 Wet ; and the Back-fide will be high 

 enough to contain the Plants that are 

 in Fruit, and the Lower-fide will be 

 fufHcient for the fnorteft Plants ; fo 

 that, by placing them regularly ac- 

 cording to their Height, they will 

 not on;y have an equal Dillance from 

 the Gialfes, but alio appear much 

 handfomer to the Sight. And altho 1 

 many People make their Frames 

 deeper than what I have allotted r 

 yet i am fail/ perfuaded, that where 



there Is but Height enough to cerv* 

 tain the Plants, without bruifmg 

 their Leaves, it is much better thau 

 to allow a larger Space ; for the 

 deeper the Frame is made, the lefs 

 will be the Heat of the Air inclosVi 

 therein, there being no artificial 

 Warmth but what the Bark affords, 

 which will not heat a large Space of 

 Air : and as the Pine-apple re* 

 quires to be conftantly kept very 

 warm, in order to ripen the Fruit 

 well ; fo it will be found, upon 

 Trial, that the Depth I have allow'd 

 will anfwer that Purpofe better thai* 

 a greater. 



But if the "Bed be intended for 

 taller Plants, then the Frame mufl 

 be made in Depth proportionable 

 thereto ; tho' if it be for fowing of 

 Seeds, the Frame need net be above 

 fourteen Inches high at the Back,and 

 feven Inches deep in the Front, by 

 which means the Heat will be much 

 greater ; and this u commonly the 

 Proportion allow'd totheFrames com- 

 monly made ufe of in the Kitchen- 

 garderts. As Co their Length, that 

 is generally according to the Fancy 

 of the Owner; but they ufually 

 contain three Lights each, which is 

 in the Whole about eleven Feet in 

 Length; tho' fometimes they are 

 made to contain four Lights; but 

 this is too great a Length : the Frame* 

 thus made are not fo convenient to 

 remove, as when they are morter,and 

 are more fubjeel to decay at their 

 Corners. Some indeed have them 

 to contain but two Lights, which is 

 very handy for raifing Cucumber 

 and Melon Plants while young ; but 

 this is too (hort for a Bark-bed^as net 

 allowing room for a proper Quan- 

 tity of Bark to continue a Warmth 

 for any confiderable time, as was be- 

 fore mentioned ; but for the other 

 Purpoles one or two fuch Frames a?« 

 very convenient* 



A! 



