Greenhouse Construction. 11 



as to best equalize the distribution of heat. This foun- 

 dation is then covered with eight inches of soil in 

 which the roses are planted. The following claim is 

 made for this method. Heat being applied to the 

 broken stone by means of the pipes passing through it, 

 renders it possible to use water freely during Novem- 

 ber and December, and this overcomes, in a measure, 

 the difficulty experienced in inciting a rapid growth 

 during those months by the usual methods. The 

 writer would only add that in February it was his 

 pleasure to examine these houses, and the growth of 

 foliage would seem to substantiate the claim made. 



Fig. 7. 



Another method of bench construction, as shown in 

 Fig. 7, is preferred by some, as it gives more head 

 room to tall, strong growing varieties. 



