154 



GREENHOUSES 



ers look upon walks as waste space and en- 

 deavor to keep them as narrow as is con- 

 sistent with ease and economy in getting 

 about the houses. In private houses, con- 

 servatories and show houses, the walks are 

 sufficiently wide to allow two persons to pass 

 easily. 



Fig. 88. An arrangement of benches in a 30-foot house. 

 Only 66 2-3 per cent of the floor space 

 available for crops 



In figures 88 and 89 are illustrated two 

 methods of arranging benches in a 3O-foot 

 house. By the first method four benches, 

 each five feet wide, are provided and 661 per 

 cent of the floor space is available. By the 

 second method three wide and two narrow 

 benches are provided and 73^ per cent of the 

 floor space is available. In the latter method 



