564 
Powdered  Vegetable  Drugs. 
(Am.  Jour.  Piiaim, 
I  November,  1898. 
single  grains  (5-8  /jl),  or  2  to  6  compound  ;  numerous  single  yellow 
cells  or  groups  of  the  same  ;  sklerenchyma  fibres  and  ducts. 
254.  Pimento,. — Crystals,  15  p. ;  starch,  7-10  p.\  stone  cells 
characteristic ;  oil  secretion  reservoirs  are  wine-colored  and  charac- 
teristic. 
255.  Pulv.  Aloe  et  Canellce  (Hicra  Pier  a). — In  addition  to  Canella 
alba  (see  No.  244)  there  is  aloes,  the  appearance  of  which  depends 
on  the  kind  used  (see  Nos.  230,  486  and  487). 
256.  Pidv.  Jalapce  Co. — In  addition  to  Jalapa  (see  No.  250)  has 
large  irregular  transparent  crystals  of  potassium  bitartrate  (see  No. 
186). 
257.  Pulv.  Rhei  Comp. — Crystals  and  starch  of  Rheum  (see  No. 
215) ;  oil  and  starch  of  ginger  (see  No.  212),  and  crystals  MgO  (see 
No.  197). 
258.  Huflands  Baby  Powder. — Crystals  and  starch  of  Rheum  (see 
No.  215);  carbonate  of  magnesia  and  sugar  (as  Oleo-sacch.  of 
Fennel). 
259.  Rubus. — Crystals,  30  jut ;  starch  7  f± ;  long  bast  fibres,  7 
mm.  long  ;  reddish  and  yellowish-colored  masses. 
260.  Rumex  crispus. — Crystals,  20-35  fl\  starch,  10-18  /uu  ;  stone 
cells  and  sklerenchyma  fibres ;  boil  few  milligrammes  with  water, 
filter  and  to  straw-colored  liquid  add  KOH  =  red  chrysophanic 
acid  reaction.  In  Rumex  hymenosephalus  starch  grains  characteris- 
tic, 4  x  8  to  7  x  16  ju;  apparently  no  crystals. 
261/  Serpentaria. — Sometimes  contains  crystals  (see  No.  245). 
262.  StUlingia. — Crystals  not  numerous  apparently  (35  /jt);  starch 
(15x15  to  25x30//);  sklerenchyma  fibres  very  long,  diameter, 
20  fj.  ;  walls  swell  very  perceptibly  in  KOH  ;  oil  secretion  cells  con- 
taining oil  and  reddish  resin  masses. 
263.  Syr.  Trifolii  Comp. — Rosette  crystals,  etc.,  of  StUlingia  (see 
No.  262)  ;  cubical  crystals,  stone  cells  and  oil  secretion  reservoirs 
of  Xanthoxylum  fraxineum  (see  No.  29) ;  tissues  of  Lappa  (see  No. 
113);  Phytolacca  (see  No.  301) ;  Berberis  aquifolium  (see  No,  557); 
Cascara  amarga  and  Red  clover. 
264.  Sarsaparilla  {American). — See  Aralia  nudicaulis,  No.  .2. 
265.  Viburnum  prunifolium.  —  Crystals,  either  rosette-shaped 
(35  fj\  or  cubical  (15  /y.),  or  somewhat  coffin-shaped,  occurring  in 
crystal  fibres  like  in  licorice  ;  numerous  grcups  of  yellowish  stone 
cells  (20  x  140  fj)  of  various  shapes  of  numerous  light  cork  cells; 
