I TREATISE ON THE CULTURE, &c, 173 



ilone In the morning early while the dew is on the leaves, 

 which will cause the powder to adhere to them ; letting them 

 remain so covered with the powdered lime for three or four 

 days. Then mix unslaked lime and soft water, or water that 

 has been exposed to the sun a week at least, at the rate of half 

 a peck to thirty-two gallonsj and stir it well two or three times 

 a day for three or four davs. If you have many trees that are 

 ini^cted Vt^ith inse6ls5 mix up a large quantity in the same pro- 

 portion as the above. I generally mix as much at once as will 

 fill a cistern*" about seven feet long by three and a half broad, 

 and three feet deep, and that contains about 550 gallons, which, 

 according to the foregoing proportion, requires about two 

 bushels and half a peck of lime. With this liquid, after the 

 lime has subsided, give the trees a good watering, observing 

 to throw a considerable part of it under the leaves, by a bar- 

 row engine ; this should be repeated once a day, for six days, 

 which will destroy all the aphides. The engine that I would 

 recommend is that of the late Mr. Winlav,^'s construction, 

 which may be had of Messrs. Chieslie and Yowle, No. 73, 

 Margaret Street, Cavendish Square. 



If you find the insects begin to make their appearance 

 again, apply the powder as before directed^ and repeat the wa- 

 tering. 



Particular Directions for using the Lime-Water. 



Take the clear water after the lime has settled, fill the en^ 

 gine with it, and give the trees a good watering, throwing it 

 with as much force as you can under the leaves ^ pressing your 

 fore-finger over the mouth of the pipe to spread the water like 

 the falling of small rain, which you may very easily do, at the 

 same time wheeling the engine backwards and forwards, that 

 no part of the tree be missed. This should be done in cloudy 

 weather, or when the sun is off the walL If the trees are on 

 an East wall, you may begin to water them about half past 

 eleven o'clock ; if on a North v/all, you may water them the 

 first thing you do in the morning ; and if on a South wall, at 

 four o'clock in the afternoon ; repeating the watering for at least 

 six days successively. But if there be cold Northerly and 

 Easterly winds, or frosty nights, the watering should be dis- 

 continued till the weather is milder. 



Be always careful that your trees get dry before night, 

 and be sure never to water when the sun is on them j nor 



* If it be a leaden cistern, a little loam, enough to cover the bottom, 

 must be thrown in, and then trod down, before the lime and water are pu^t, 

 in : The loam will prevent the lime from corroding the ir.etal. 



