e498 T= 
one might naturally wonder that no 
remarkable mifchief happens from 
fo many plants as a foreft contains, 
if one plant, containing fcarce a_ 
handful, may poifon to fuch a de- 
gree the quantity of two pints of 
common air in one night, as to ren- 
der it abfolutely mortal for any 
animal who breathes in it. 
I make no doubt but a ereat 
quantity of plants, kept in a clofe 
and {mall place during a night, or 
by day in the dark, may do fome 
material mifchief, and even occafion~ 
ath, to any perfon who fhould be 
imprudent enough to remain. in 
fuch a place. The undoubted facts 
of people being found dead in their 
beds, when they had flept in a fmall 
room with a great deal of flowers in ~ 
it, muft infpire us with a caution 
=< ean keeping too many flowersin 
oe clofe 
