50 



greatest diligence, for a while, by collecting 

 under large horizontal leaves, which serve 

 them as citadels against the attacks of the 

 water; but here they will soon betray them- 

 selves, by extracting the fluid substance of the 

 leaf for their support ; in consequence of which 

 it loses its verdure, and becomes conspicuous ; 

 this when found, should be picked off, and taken 

 out of the house immediately; for if left any 

 where among the plants, they will, in a little 

 time, establish themselves on others. If they 

 happen to be discovered before the leaf has lost 

 its beauty, they may be rubbed off with the hand 

 on a sheet of paper, and expelled the premises. 



Thus must a continual warfare be kept up 

 with these intruders, otherwise the plants will 

 neither do credit to the gardener, nor contribute 

 much to the pleasure of his employer; circum- 

 stances, which should be the first objects of 

 consideration with every man, who wishes to 

 procure, through his industry, a comfortable 

 subsistence for himself or family. 



Note, if at any time the quantity of water ne- 

 cessary to be used in these operations, should 

 occasion the earth to become over-wet, in those 

 pots particularly, which are plunged in the 



