ee Se ee 
they abfolutely tend to foul the air, 
principatly when they flower. I 
acknowledge readily, that a few 
flower-pots can do neither good nor 
harm. But I remieiiber td have 
found feveral orange-trees in aroom, 
by way of ornament, and, as I was 
told, to keep the air of the room 
wholefome: I think now fach or- 
Mamental plants. by no means indif- 
ferent, unlefs they were but {mall 
and the. room amples. at an rate 
I thould not fuffer: to be ke 
in. a room at night, where ; “a: fick 
perfon is. 
A plant fhut up in a glafs jar, 
and placed near the window in a 
room fo as to receive the rays of 
the fun, will make the air of the 
jar better than the air of the room: 
whereas a fimilar plant, placed in 
the fame room in a fhaded place, 
e4 wil 
