Am.  Jour.  Pharm . ") 
March,  1885.  J 
Gleanings  in  Materia  Medica. 
147 
Per  cent. 
Moisture   25 '00 
Amount  soluble  in  ether,  •725   IS'OO 
"             "        alcohol,  -820   5*75 
"            "        water   16-60 
Insoluble  residue,  consisting  of  cellulose,  lignin  and  siliceous 
earth,  etc   62-65 
100-00 
Ash   20-00 
Amount  soluble  in  water,  including  potassium,  sodium  and 
magnesium,  phosphates,  sulphates,  chlorides  and  carbon- 
ates  7 '50 
Amount  soluble  in  diluted  HCl,  including  calcium  phos- 
phates  3-50 
Insoluble  residue,  consisting  principally  of  silica  aud  sand...  9-00 
20-00 
Amount  extracted  by  ether,  -725. i   15-00 
Resin  soluble  in  chloroform,  CS2,  glacial  acetic  acid :  gluco- 
side   2-50 
Wax,  non-volatile,  soluble  in  CS2,  chloroform,  benzin  and 
boiling  90  per  cent,  alcohol,  and  insoluble  in  cold  alcohol. .  6-00 
Chlorophyll   -25 
Insoluble  residue   '75 
Ash  of  extractive   -50 
Volatile  matter  driven  off  by  heat   5*00 
Tannin   Traces 
15-00 
Amount  extracted  by  alcohol    5-75 
Resin,  glucoside,  soluble  in  90  per  cent,  alcohol,  and  insoluble 
in  chloroform,  ether  and  petroleum  benzin   3*00 
Resin,  glucoside,  soluble  in  75  per  cent,  alcohol;  insolubili- 
ties, ditto,  as  above   2*00 
Resin,  glucoside,  soluble  in  50  per  cent,  alcohol ;  insolubili- 
ties, ditto   -50 
Ash  of  extractive   -25 
5-75 
Amount  extracted  by  water   16  60 
Starch  colored  blue  by  iodine  and  reducing  Feb  ling's  solu- 
tion  5-30 
Albumen  soluble  in  acetic  and  phosphoric  acids,  and  insolu- 
ble in  nitric  acid  and  alcohol,  and  coagulated  by  heat  of 
154°F   2-50 
Pectin  coagulated  by  alcohol   1*30 
Gum  insoluble  in  alcohol  and  soluble  in  water   1-70 
Protein  substance  similar  to  albumen  and  not  coagulated  by 
heat   5-80 
—  Therap.  Gazette,  Dec.  1884,  p.  551.  16-60 
