Thc actual amount of alkaloid contained in the Egyptian ti. mu- 

 licus appears to vary considerably. If the plant is collected after the 

 ripening of the seed, the alkaloid may not exceed 0-6 per cent of the 

 dry material. On the other hand, if the plant is pulled about the time 

 of flowering, as much as one and a half to two per cent may be 

 present. As above mentioned, great caie is necessary in drying material 

 of this nature or loss of alkaloid will result. 



Datura contains much less alkaloid ; usually less than 0'6 pei 

 cent, so that it is a less suitable material for the preparation of th 3 

 alkaloid. There is, however, a special demand for carefully driel 

 leaves and these command a good price. 



