256 Gardening Under Glass 



Stirling Castle, The Rochford, Lorillard, and 

 Marvel. All are good and the choice made will 

 be a matter of personal taste. 



The temperature in which Tomatoes attain 

 their best development is about as follows: Dur- 

 ing the months of August, September, and May 

 and June when the outside air is mild and the ven- 

 tilators may be kept well open, 60 to 70 degrees 

 at night will be best; 75 to 90 degrees with bright 

 sunshine. Cloudy days, 65 to 75 degrees. 



During November, December, January, Feb- 

 ruary, March, and April, 58 to 65 degrees at 

 night, 70 to 80 degrees with bright sunshine, and 

 65 to 70 degrees during cloudy weather. 



Tomatoes have a few insect and fungous 

 enemies to contend with when grown under glass, 

 the most common and destructive being mildew 

 and white fly. For mildew, dusting the plants 

 with flour of sulphur or some of the prepared 

 fungicides, and painting the heating pipes with 

 a mixture of lime and sulphur are generally ett'ec- 

 tive. 



For the white fly, hydrocyanic gas is the only 

 eft'ective remedy. This is so deadly in its nature 

 that it must be used with the greatest caution 

 and only by responsible and careful people. 

 The method of use is as follows : For each 3,000 

 cubic feet of space weigh out one ounce of 



