86 PHARMACEUTICAL BOTANY 
feathers or fern frond crystals of cocaine-chloro-platinate will be 
seen separating. 
_Aconrring (C34H47O11N) is found in various parts of Aconitum 
Napellus. It is particularly abundant in the tuberous root of this 
Fic. 49.—Morphine. Orthorhombic prisms from alcoholic solution of this alkaloid. 
X 120. 
plant. If sections of aconite root are treated on a glass slide with 
solution of potassium permanganate, a red precipitate of aconi- 
tine permanganate will appear in the cells containing this 
alkaloid. 
Morpnine (C;7H1sO3N), the chief active principle of Opium, 
crystallizes from alcoholic solutions in orthohombic prisms and 
