YAKIOUS FORCING METHODS. 75 



A .soiiiewliat different style is eominon on the farm 

 gardens of Xew Jersey and Long Island. One of these 

 at Flushing, L. I., is shown in the illustration. The 

 sides of board are only two feet high, but working space 

 is secured inside l\v means of a sunken walk through the 

 middle, thus dividing the interior into two beds extend- 

 ing lengthwise. These beds are a foot lower than the 

 ground outside. There are two rows of sash on a side. 

 The frame is nicelv beveled to receive the sash, and the 



ICCU. 





Hot Water Forcing House. 



ridge is protected by a permanent board covering. Roots 

 are taken up and packed closely, as in cold frames. 

 A^ artificial heat is usually considered necessary. 



Hot Water System. — On the market garden farm 

 of Edward Farmer in the Boston district is a large 

 sash house, resembling an enlarged cold frame, but sup- 

 plied with extra heat by means of hot water pipes. 

 The house is about 2G0 feet long and divided crosswise 

 into halves by a l)oard partition. Each half is forced 

 once in two years, thus allowing a full season's growth to 



