Am.  Jour.  Pharm.' 
October,  1894.  . 
Structure  of  Heuchera  Americana, 
467 
STRUCTURE  OF  HEUCHERA  AMERICANA. 
By  Bdson  S.  Bastin. 
The  plant  is  botanically  described  as  follows :  Perennial,  herbaceous, 
the  above-ground  parts  from  a  short  thick,  knotty  rhizome  {Fig.  /), 
which  usually  gives  rise  to  several  heads  and  numerous  conical  or 
somewhat  fusiform,  branching  roots  ;  scapes  usually  one  from  each 
^  Fig.  1. 
head,  2  or3  ft.  high,  glandular  and  more  or  less  hirsute  with  short  hairs 
and  bearing  loose  panicles  of  small,  dull-colored  flowers;  leaves  radical, 
long-petiolate,  stipulate  and  with  orbicular  or  broadly  ovate,  deeply 
cordate  and  bicrenate-margined  blades  which  are  more  or  less  hir- 
sute with  short  hairs ;  stipules  adnate  to  the  base  of  the  petioles  and 
the  free  portions  inconspicuous,  scarcely  green  ;  petioles  cylindrical, 
