672 Horticultural Buildings for a Kitchen-Garden. 



133 



reservoirs ; d d, the pipes which in a and d go to the reservoirs 

 b b, and return by the lower pipes to the boilers a a ; but in 

 b and c they go to the reservoirs c c, and return to the boilers 

 a a on the back of the pit ; d d, flues ; ff, cisterns for water ; 

 and g g g g, walks. 



Interior Sections of Cucumber and Melon Pits (Jigs. I3i<. and 

 135.), showing the pipes d d d, and flue e; ff, wooden shut- 



13i 



135 



ters ; g g, pits to be filled with dung at the commencement of 



forcing 



Ground Plan of the Asparagus Pits, fyc. (fg. 136.) a a, Pits 



136 



for asparagus ; b b, pits for sea-kale, rhubarb, &c. ; a, boiler ; 

 b b, pipes which go on the front to the reservoirs c c, and 

 return on the back of the asparagus pit to the boiler ; d, cis- 

 tern for water ; e, flue ; ff, walks. 



Interior Sections of the Cucumber and Melon Pits (Jigs. 137. 



and 138.), showing the pits for asparagus (a a) and sea-kale 

 (b b), and, if required, a shelf for mushrooms (c) might be 

 made under the roof; d d, pipes; e, flue; and^/J wooden 

 shutters. 



