Foreign Vegetables. 393 
of the Joints, is gradually ground and refolved by 
the irritated and inflamed Part, fo that it paffes at 
length from fmaller Veflels into larger, or acquir- 
ing a gentle Effervefcence from the Heat of the 
Part excited by the Pain, it is attenuated, and made 
capable of tranfpiring through the Pores of the 
Skin. 
If the Ufe of Opium be hurtful in thefe Cafes, 
what mull it be in others ? ’Tis in vain to oppofe 
to us the fuccefsful Pradtice of fome Phyficians who 
are always preferring Opium. Let us but attend 
a little to their Method of Cure, which confifts 
moftly in acrid, fpirituous, ftimulating Medicines, 
fuch as volatile Salts, eflential Oils, Aromaticks, &c. 
and it will not be difficult to judge, that either this 
Method hath been invented to correct the bad Ef- 
fects of Opium, (viz.) to diffipate the foporous 
Affedtions brought on by its Ufe, and to roufe lan- 
guid Nature, or elfe, that they have employed Opi- 
um to allay the Tumults which have been raifed by 
this new and unwarrantable Pradtice. 
13. Opium thrown into the Inteftines in Clyfters 
produces the fame Effedts as when taken by the 
Mouth ; nay frequently greater *, and fometimes oc- 
cafions more grievous Symptoms. It is therefore 
feldom diflolved in Clyfters. Infufions or Decodti- 
ons of the Heads of the white Poppy are generally 
preferred : But neither ought thefe to be ufed with- 
out the greateft Caution ; and only £0 ftay immo- 
derate Fluxes of the Belly, or in violent Pains of 
the Colick. 
14. The Virtue of Opium externally applied is 
doubtful and uncertain ; for which Reafon it is Very 
feldom applied to procure Sleep ; nor indeed ought 
it to be done raffily. In the Tooth-ache the Quan- 
tity of one or two Grains is frequently laid upon 
the tempor al Arteries, and not with Relief. But to 
