7 PAPAVERACHA.” 107 
_ to the proportion of wecioisihds present. The drug ehed thus 
fingers, is viscid and of a plastic nature. The texture of the 
i drug is also well seen in high consistence tend shag 
_ Section is exposed with a spatula. 
4 “Opium of the Jower consistences—below about 66° =o. 
; in a somewhat fluid state, will not draw out at all but breaks 
4 the same conditions, as in opium of higher consistences. 
 -'The texture of any given sample of pure drug is always uni- 
_ form. A practised eye can’ at once detect any irregularity, 
and where such exists it betrays the eee of a Pores sub- 
_ stance in the composition of the drug. 
relegate it to the class of disagreeable odours. In well- 
repared, fresh drug the aroma ‘is decidedly fruity, but it 
aries with age, and is even said to vary somewhat with the 
description of soil on which the plant is grown, and. with the 
a 3 ‘Manure used. 
manipulation in plates not scrupulously clean, or allowing it to 
' - storing it away ing or keeping it in ill-ventilated and saioky 
“intrinsically good, and will even give it an offensive odour, — 
- The aroma of the drug is one of its chief commercial 
cultivator. To the Opium Examiner it gives a very import: an 
dication as to the suitability of the drug for the variow 
teen purposes, © i 
drawn’ out breaks with an irregular fracture ; it adheres to the. 
Aroma. — Chemistry has not yet isolated the volatile odorous 
principles of opium. Its aroma, however, is peculiar and 
racteristic. Some consider it not unpleasant, while others — 
Careless prepatation of the drug, stich. as its ‘polleson or 
“come in contact with animal substances, such as bladders for 
closets, or shutting it up for security in small, close receptaeles, | 
will dissipate and destroy the aroma in drug that is otherwise 
criterions, and as such should be carefully guarded by the 
- off with ragged edges. Its’ ‘texture i is subject to change, under : 
