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LXXXI. On the Application of Steam, and its salutary 

 Effects in Forcing, but particularly as applied to the 

 Pine Apple. By Mr. James Brown, Gardener to the 

 late Richard Shawe, Esq. at the Casino, Dtdwich, 

 Surrey. 



Read 4th Feb. 1817. 



Th e method of applying Steam to the purpose of forcing, 

 which I have practised with great success on the Pine, is 

 applicable to various other kinds of forcing ; but as I 

 have not had any opportunity of trying it except on the 

 Pine and the Vine, I cannot speak with certainty of its 

 further • application ; I am however fully of opinion that, 

 under judicious arrangement, steam is congenial to vegeta- 

 tion in general, and in the method which I have pursued, 

 I have combined the two-fold object of saving fuel and of 

 improving the growth of the plants, as I work a Pine-pit, 

 thirty-six feet in length, and also about one-third part of a 

 stove, forty-five feet in length, with one fire, although totally 

 detached, and eighteen feet asunder ; but I have not the 

 least doubt, that the same quantity of fire would be quite 

 sufficient for two compartments, each from thirty to forty- 

 feet in length. It is also a well known fact that fire-heat, 

 when applied to Pine-pits, contributes to the starting of the 

 succession plants at an untimely season, and that the work- 



