PINE-APPLE. 863 



dens of the Earl of Ilopetoun, and were designed by 

 Mr. Charles H. J. Smith, landscape gardener and gar- 

 den architect, of whose assistance the writer of this trea- 

 tise has had muclr satisfaction in availing himself, in 

 the designing of the illustrative- sketches and diagrams. 

 Mr. Smith also proposes another form of a succession- 

 pit, exhibited below, -entirely heated hj hot water. The 



Fig. 41. 



surface-heat is supplied by pipes in front ; the bottom- 

 heat is kept up by small pipes from the boiler, passing 

 through cisterns of water extending the whole length of 

 the pit. In this case it would be necessary to apply the 

 heat only during the day. The anly succession-house, 

 or, that generally in use till wil:hin the last fifteen years, 

 does not differ materially from the common pine-stove : 

 but, owing to its great waste of heat, it either is or 

 ought to be entirely laid aside. 



In tliG fru{tmr/-7ionse, 'moY& room, greater hciglit, and 

 ,a more powerful temperature, are requisite ; and to at- 

 tain these objects, many varieties of structure have'been 

 devised. We s-hall notice those only which are' most 

 worthy of attention. The first w^e shall mention is 

 BaldwiYi's fruiting-pit, of which a section Ls given on the 

 next page. ■ The roof is iiner|ually ridged, the nortli or 

 shorter side being skxted and furnish-od with vc'ntilators, 

 to admit air. The sashcS are immovable, and the hips 

 of the panes are closely puttied. There is a path with- 



