102 ^^ PREVENTING THE DRY-ROT IN WOOD. 



and wall, beginning at the top of the wall, and bringing it 

 on in courses from top to bottom :" page l6l. Mr. Speech- 

 ley is not the first person who has thought of this application 

 of the mixture. It is a fact which has been long known and 

 neglected. 

 Best applied A considerable extent of wall may be washed by means 

 by a garden ^f ^ common garden pump in a short time ; and this opera- 

 tion should be repeated as often as a supply of the mixture 

 can be procured ; or if the water of a washing cannot be 

 had, a quantity of potash of cosiimerce dissolved in water 

 may be substituted*. The washing of the trees and wall 

 twice a week for three or four weeks in the spring will be 

 sufficient to secure them from the injuries of these insects. 

 A valuable On the whole, then, this must be considered as a valuable 



manure ur ue ^fj^nure, as it can be obtained easily, at small expense, and 

 larm as well as ^ •' ' ' ' 



the garden. in large quantities ; and, when its nature is well understood, 



will probably be no less esteemed by the farmer than horse 

 dung. To the gardener, as well as to the farmer, it is use- 

 ful, mixed with mould, as a fertilizing compost; or, when 

 fluid may be applied to his fruit-walls, as a wash fatal to the 

 noxious brood of predatory insects. 



THOMAS FALCONER. 



V. 



An Inquiry into the Causes of theDeca?/ of Wood, and {he 

 Means of preventing it. By C. H. Parry, M. D. 



(Concluded from p.'! Sj 



■4X7 14 ,1 JL Do not know whether in very damp situations, surrounds 

 varnish in some ed with stagnant air, these varnishes would in time admit 



cases admit the 

 g' 



,. „ ° of the growth of fungi or mould. The brimstone might 

 be sufficient to preclude that effect; but, if we believe Bra- 

 connot, seeds of the white mustard sown in pure flowers of 

 brimstone, and well watered, became vigorous plants, which 



* Mr. Speechley uses his mixture warm, to soak the shreds, and wash 

 the >vall, more effectually . 



flowered 



