Am.  Jour.  Pliarm.) 
November,  1898.  f 
Powdered  Vegetable  Drugs. 
563 
243.  Cascarilla. — Crystals  15-20  a\  starch  3  fi\  reddish  brown 
secretion  cells  ;  sklerenchyma  fibres. 
244.  Canella  alba. — Crystals  20-30  a ;  starch  single  to  3-com- 
pound  (5  fi  in  diameter) ;  large  yellowish  oil  secretion  reservoirs; 
peculiar  stone  cells  thickened  on  but  three  sides. 
245.  Composition  powder. — Starch,  oil  cells  and  crystals  of  Ginger 
(see  No.  212);  crystals  and  oil  secretion  reservoirs  of  cloves  (see 
No.  346);  oil  and  chromoplastids  of  capsicum  (see  No.  306);  bay- 
berry  bark  with  characteristic  crystal  fibres  and  starch  grains  7  fi. 
246.  Euonymus  —  Crystals  20-35  {*■  \  starch  4  a\  characteristic 
groups  of  bast  fibres  with  5-8  rows  of  medullary  rays. 
247.  Galla  (Aleppo). — Crystals  10  a  ;  starch  single  grains  (10  fj) 
or  sometimes  in  groups  ;  stone  cells  ;  tannin  ;  crystals  of  gallic  acid. 
248.  Geranium. — Crystals,  60  a;  starch,  10-15  u ;  numerous 
yellowish  and  reddish-colored  masses  in  cells  ;  strong  reaction  for 
tannin. 
249.  Gossypii  Radicis  Cortex. — Crystals,  25  pL  \  starch,  single 
(4  fi)  to  3  to  4  compound  (20  fjty  grains  ;  long  bast  fibres  about  6 
m.m.  long ;  secretion  reservoirs ;  reddish  and  yellowish-colored 
masses. 
250.  Jalap ^a. — Crystals,  30-35  u;  much  starch  of  characteristic 
form  (18-36  jul)  ;  yellowish-brown  secretion  cells,  as  well  as  other 
characteristic,  somewhat  thickened  cell  with  simple  pores. 
2^1.  Juglans. — Crystals  generally  rosette-shaped  (15-35  u.)  or 
sometimes  tetragonal  (10  x  15  p),  occurring  in  parenchyma 
or  occasionally  in  crystal  fibres ;  bast  fibres,  30  a  wide  and  very 
long  ;  stone  cells,  35  x  50  a  ;  oily  drops  and  purplish-brown  tannin 
masses  in  parenchyma.  J.  cinerea,  L.,  is  distinguished  from  J.  alba, 
Mx.,  and  J.  nigra,  L.,  in  that  each  of  the  latter  possesses  numerous 
crystal  fibres  containing  prismatic  or  rhombohedral  crystals.  J. 
nigra  has  also  in  the  medullary  rays  rosette-shaped  crystals  of 
calcium  oxalate.  Juglans  regia  appears  more  nearly  to  resemble 
/.  cinerea,  L.    See  Vogl. 
252.  Myrica  cerifera. — Crystals  either  rosette-shaped  (45  a)  or 
nearly  cubical  (15  x  15  ^  to  15  x  20  a),  occurring  in  crystal  fibres 
(as  in  licorice)  accompanying  the  long  bast  fibres,  which  are  as 
many  as  100  u  in  width  and  walls  about  25  a  thick ;  starch  either 
single  (7  a)  or  2  to  4  compound. 
253.  Podophyllum. — Crystals,  50  a  in  diameter;   starch  either 
