THE  AMERICAN 
JOURNAL  OF  PHARMACY. 
MAY,  1892. 
EUPATORIUM*  ROTUNDIFOLIUM. 
By  F-red  .  C.  Shaw,  Ph.G. 
From  a  Thesis. 
The  air-dry  flowering  plant  was  examined  with  the  following 
results : 
Moisture,   8*40 
Ash,   4-58 
Petroleum  ether  extracted,  fat,  I'll 
Wax  and  caoutchouc,    ...  2*81 
  3-92 
Stronger  ether  extracted  resin  and  chlorophyll,  .  ...  2*40 
Absolute  alcohol  extracted  resin  and  glucoside,  ....  277 
Water  extracted  mucilage,  0*96 
Dextrin,  3-43 
Glucose,  ;  .   .  .  .  2'i6 
  6-55 
Alkaline  water  extracted  extractive,  3-65 
Pectin  and  albuminoids,   3-20 
  6-85 
Acidulated  water  extracted  pararabin,   o*86 
Calcium  oxalate,  2*04 
  2*90 
Hot  water  extracted  inulin,   0*89 
Chlorine  water  extracted  lignin,   370 
HNO 3  and  HKCIO 3  extracted  incrusting  matter,  .  .  .  8*88 
Residue  :  Cellulose,   48*16 
100  *oo 
The  extract  obtained  with  absolute  alcohol  was  treated  with 
water,  and  the  aqueous  solution  rendered  acid  and  agitated  succes- 
sively with  petroleum  ether,  ether  and  chloroform.    The  aqueous 
(225) 
