The Orchid-house 



one side from a brick wall 8 feet 9 inches high. 

 The advantage of the wall is proved by experience. 

 All orchids like the moisture which it gives off by 

 evaporation, but tliose whicli have no pseudo-bulbs, 

 as Vandas, ^Erides, Sobralias, are specially benefited. 

 And they are tall mostly. Ranged on that side of 



A, A, A, ventilators in roof and front wall ; B, B, brickwork ; 



0, C, upper staging ; D, D, lower staging : E, E, flow pipes ; 



F, F, return pipes ; G, pathway ; H, front sash. 

 N.B. — Six inches should be left clear between the wall and the 

 stage to allow a free current of air and heat. 



the house, they grow more strongly, and they look 



their best. 



If only cool and shade-loving species be culti- 

 vated, the house should face north or east, as has 



19 



