3 o BOOK OF THE CHRYSANTHEMUM 



ground-floor. The blooms on their developing can be 

 better watched than when placed high up on staging 

 and shelves. 



Vineries or fruit - houses, that have finished their 

 season, are very good for this purpose. In the case of 

 vineries, some of the laterals of the vines may be shortened 

 back to about half their length. This will let in consider- 

 ably more top light, and in the case of peach or fruit- 

 houses try and reduce some of the foliage on the trees 

 by shaking. Leaves in the earlier houses will generally 

 be falling at this date. 



Ventilators should be left full open night and day 

 until frost sets' in severe, and all heat should be shut off 

 pipes, excepting in very dull, damp weather, when a little 

 warmth may be introduced to dry up the atmosphere, 

 always having ventilation on when this is taking place. 



A very keen watch will need to be set for fly, which 

 quickly makes its appearance and spreads with great 

 rapidity. Fumigating with some vaporiser, as XL, will 

 generally make short work of most species of fly 

 affecting plants, and is very simple in the method of 

 application. It is only necessary to ascertain the cubic 

 capacity of the house and use sufficient compound 

 accordingly. 



For fumigating, it is best to choose a quiet, damp even- 

 ing, the vapour being retained inside longer, all ventila- 

 tors of course being closed during the operation. 



