396 THE NEW GARDENING 



and February it was 55 degrees maximum and 42 degrees 

 minimum. 



" The lamp was on from four to five hours daily, the 

 light being put out about one hour before sunset. 



" I placed several Geranium cuttings and Carnation 

 ' strikes ' in both houses, and the ones in the experi- 

 mental house made much stronger and quicker growth 

 than those in the control, especially the Ivy-leaved 

 Geranium, the young shoots of which grew twice the 

 length of the others in the same time. The leaves and 

 stems were also of much stronger fabric and the leaves 

 a deeper green. 



" I tried the effect on forcing bulbs. These I lifted 

 from the open when about four inches above ground, 

 but not showing bud. In ten days they were in flower. 

 The variety was Sir Watkin Daffodil. I had none of 

 these in the control house, but have some Narcissus 

 raised about the same size from the open in both houses. 

 The flowers in the experimental house were opening 

 before those in the control were in bud. 



" From a practical point of view I think the lamp 

 could be very profitably applied to the raising of young 

 vegetables in winter. 



" Lettuces, Carrots, and Cauliflowers responded to the 

 treatment in a remarkable manner, and were in quantity, 

 quality and texture equal to those grown out of doors 

 under normal conditions. 



" From the saving in coal alone I am convinced the 

 use of the mercury-vapour lamps would be a source of 

 profit to the market-gardener. 



" For my house the coal consumed to heat a double 

 flow and return pipe has been i cwt. in five days, against 

 what I have been informed by a gardener, over i cwt. 

 for the same sized house to keep up stove heat. I have 



