432  Podophyllum  Ash  Standards.        { AmjuXi£i.arm' 
%  To-     %  HCl. 
Sample  No.  Description.  tal  Ash.  Insol.  Ash. 
No.  14.  Sample  prepared  from  plump  rhiz- 
omes only,  clean  looking,  drug  bought 
192 1.  Rhizomes  hand  brushed  and 
powdered  in  this  Laby.  3-24-21  ....     1.69  0.21 
1.63  0.18 
No.  15.  Sample  prepared  from  roots  only, 
plump,  clean  looking  drug  bought 
1 92 1.  Powdered  in  this  Laby. 
Roots  represented  9. 11  per  cent,  of 
the  total  weight   3.69  0.87 
3-96 
No.  16.  Sample  prepared  from  rhizomes  only, 
some  shriveled,  some  plump,  drug 
bought  192 1.  Rhizomes  represented 
75.91  per  cent,  of  total  weight,  garb- 
lings  6.97  per  cent.,  rhizomes  fairly 
clean  looking,  powdered  in  this  Laby.,    3.93  0.96 
3-9i    .  0.93 
No.  17.  Sample  prepared  from  shriveled  rhiz- 
omes only  same  lot  of  drug  as  No. 
16,  powdered  in  this  Laby   5.09  0.66 
5.10  0.99 
No.  18.  Sample  prepared  from  roots  only, 
some  shriveled,  same  lot  of  drug  as 
No.  16.  Roots  represented  16.4  per 
cent,  of  total  Weight,  powdered  in 
this  Laby.  .   4.83  1.71 
Department  of  Pharmacognosy, 
University  of  Minnesota. 
4.81  1.83 
