392 
Stone  Cells  of  Aconite  Root. 
1  Am.  Jour.  Pharm. 
(  September,  1913. 
Except  in  a  few  cases  the  different  drawings  represent  the  cells 
in  the  order  of  observance ;  they  vary  greatly  in  outline,  no  single 
form  predominating;  the  roundish,  square  (?)  and  elongated  are 
Various  forms  of  stone  cells  in  Aconite  root. 
quite  prominent  and  taken  together  outnumber  all  others.  Fig.  I, 
(f)  and  (g)  and  Fig.  II,  (h)  shows  a  type  occasionally  met  with, 
but  which  may  be  considered  more  of  a  curiosity  than  of  diagnostic 
