Am.  Jour.  Pharm. 
March,  1914. 
Alkaloids  in  Belladonna  Plant. 
109 
stated,  consisted  mostly  of  the  young  and  tender  ends  of  the  tap 
roots.  The  relationship  is  again  evident.  In  the  four  third-year 
plants  whose  large  stems  and  roots  were  separated  into  their  various 
Fig. 
P£f?  CEMT  OF  /4l  O/DS 
PER  CEA/r  Of /tl/f/tl0/0S 
^^^^^^^^^ 
^   ^    §    ^    ^   ^   ^  ^ 
<ZDC*n/ /T<  v 
Graphic  illustration  showing  the  distribution  of  the  alkaloids  in  the  various  parts  of  the 
Belladonna  plant. 
parts,  the  average  per  cent,  of  alkaloids  is  as  follows  :  Pith  of  stems, 
.0358;  bark  of  stems,  0.134;  wood  of  stems,  0.119;  bark  of  roots, 
0.314;  wood  of  roots,  0.486.  Figure  I  shows  graphically  the  dis- 
tribution of  alkaloids  in  the  plant. 
