6i6 
Powdered  Vegetable  Drugs. 
(Am.  Jour.  Pharm. 
I   December,  1898. 
single  (2  x  2  to  5  x  7  /i)  and  2  to  3-compound  grains;  libriform 
fibres  30  yu  wide;  all  tissues  light  yellow  and  very  hard  and  resistant. 
509.  Cardamom. — See  No.  23. 
510.  Frangula. — See  No.  274. 
511.  Iris  Florentina. — Crystals  either  like  in  quillaja  very  long  and 
10-20  yLt  wide,  or  long  needles  ;  starch  characteristic  (15  x  30  to  15 
x  15  /jl);  parenchyma;  no  cork;  fibrovascular  tissue. 
512.  Juniperus.— Crystals  hexagonal  (30  x  30  /jl)  in  stone  cells 
which  are  60  x  60  and  walls  15  /jl  thick;  small  amount  of  starch 
(5-7  fj) ;  oil  secretion  reservoirs ;  brown  pigment  cells. 
513.  Myristica. — Crystals  are  of  myristic  acid.    See  No.  496. 
514.  Quillaja. — See  No.  284. 
515.  Syr.  Trifolii  Comp. — See  No.  263. 
516.  Viburnum  opulus. — See  No.  287. 
y.  Crystals  acicular. 
517.  Cocculus. — Crystals  are  soluble  in  alcohol  and  not  in  dilute 
acids.    See  No.  547. 
5 1 8.  Iris  Florentina. — See  No.  511. 
519.  Sarsaparilla. — See  No.  40. 
0.  Crystals  in  fine  sand  ("  crystal  sand  "). 
520.  Dulcamara. — Numerous  starch  grains  (7  /jl);  ducts  reticu- 
lated 55  /jl  wide  or  with  bordered  pores  (35-45  /jl)  associated  with 
libriform  cells  4  /i  thick;  cork;  all  elements  gray  or  yellowish-gray 
color. 
(b)  Containing  starch  but  no  calcium  oxalate  crystals. 
521.  Chenopodium. — See  No.  108. 
522.  Corn  Bran. — Less  parenchyma  containing  characteristic 
grains  of  corn  starch  but  more  fragments  of  coat  (bran) ;  oil  globules. 
523.  Grits. — More  or  less  altered  and  unaltered  starch  grains ; 
almost  free  from  coat  (bran) ;  oil. 
524.  Mezereum. — Starch  in  single  grains  (7-10  /jl)  or  in  masses; 
numerous  very  long  colorless  bast  fibres  about  15  /i  wide;  light 
parenchyma ;  yellowish-brown  or  pinkish  cork. 
525.  Myristica. — See  No.  496. 
526.  Orris  Root. — Starch  of  varying  but  rather  characteristic  shape 
(15  x  15  to  15  x  30  /jl);  may  find  tetragonal  (20  /jl  wide)  or  acicular 
crystals  ;  fibro-vascular  bundles  ;  no  cork. 
527.  Pepo. — Few  starch  grains  (2  x  2  to  3  x  4  /jl)  occur,  in  outer 
epidermis  and  endosperm  ;  characteristic,  pear-shaped,  thick-walled 
