266 



THE AMATETJE'S GREENHOUSE 



dipping tub a short time. Quassia chips steeped in water, at 

 the rate of two ounces to the gallon, make a most effectual 

 liquid for destroying green and black fly. Large-leaved plants 

 badly infested with thrips or red spider will require sponging 

 with either Gishurst compound or tobacco-water. It will be 

 tedious work, but unless it is done effectually it would be 

 better to destroy the plants instead of leaving them to form a 

 rendezvous for the pests with which they are infested. 





DEENCHINa BOAED FOE CLEANSING PLANTS. 



The subjoined figure of a drenching board, will suggest a 

 simple means of economising any liquid preparation employed 

 for cleansing plants. The plant is laid on the board, and the 

 syringe is used with some force upon it, and a pail being 

 placed in front, a considerable proportion of the fluid is 

 caught for further use and none of it is conveyed to the roots. 

 A carpenter would make such a board for ten shillings or less, 



ToBACCO-POWDEB is ouc of the best remedies for green-fly 

 and black-fly, if applied in a proper manner. First of all, 

 stand the plants to which the powder is to be applied on one 

 side by themselves, sprinkle them with water, and dust the 

 foliage liberally with the powder. The puff's sold by the trade 



