CRUDE DRUGS. 



479 



considerable starch ; a little mannitol and a resin. The other alka- 

 loids are amorphous and non-toxic, and of these isaconitine (napel- 

 line) has been employed medicinally. 



Fig. 207. Culver's-root {Leptattdra virginica) showing the verticillate leaves and the long 



spike-like terminal racemes. 



Allied Plants. Japanese aconite is obtained from Aco- 

 iiititm Fischcri; the root- is smaller, conical, nearly smooth and 

 with starch grains that are much larger than those of the official 



