CAMELLIA CULTURE. 99 



tween the cylinders. When not used as a self-feeder, the 

 inner cylinder becomes a flue, and increases the heating 

 surface. The boiler may be used to heat the room it 

 stands in, and, by circulation of water through pipes, will 

 warm other rooms or a greenhouse at a distance. Fire 

 may be kept twelve hours without attention. This boiler 

 is calculated to heat one hundred and twenty feet of four- 

 inch pipe. 



The grate may be shaken or dumped. 

 This is designed especially to meet the wants of ama- 

 teur florists for regular conservatories. 



Such a boiler, without pipes, is worth thirty dollars. 



For heating a bay window, use a coal-oil stove, from 

 which there is no gas or smoke ; place a pan of water on 

 the top of the stove to create a moisture. 



The price of such a stove is from six to eight dollars, 

 and can be had at any seedsmen. 



Camellias grown with so much heat and so little mois- 

 ture will need the foliage washed often. 



I recommend the following wash to be used once a 

 month, with a daily syringing of clear water, as fumigat- 

 ing with tobacco, &c., is very objectionable for either bay 

 window or conservatory. 



Receipt for wash to be used by amateur florists for 

 plants infested with insects : Eight gals, of soap suds, one 

 quarter of a pound of flour of sulphur ; stir well together, 

 adding a little soft soap. 



Dip the plants in this solution, and a soapy gloss will 

 cling to the foliage which will not be objectionable to the 

 eye. Insects will not be apt to infest them soon again. 



