Am.  Jour.  Pbarm.) 
August,  1906.  J 
London  Botanic  Gardens. 
357 
lait  blanc"  of  the  Codex;  Geranium  maciilatum,  1<. ,  the  rhizome  of  which 
constitutes  the  "Geranium"  of  the  U.S. P.;  Geum  urbanum,  Iv.,  whose  as- 
tringent roots  form  the  "  Souches  de  Benoite"  of  the  Codex;  Glycyrrhiza 
glabra,  Iv.;  Gratiola  officinalis,  h.,  the  "  Gratiole"  of  the  Codex;  Hordeuni 
vulgare,  Iv.,  whose  fruits  are  used  in  the  preparation  of  malt  extract  and  for 
making  barley  water  ;  Humulus  Lupulus,  Iv.  ;  Hyoscyamus  niger,  L.  ;  Hy- 
pericum perforatum,  L.,  whose  flowering  tops  are  still  retained  in  the  Codex  ; 
Hyssopus  officinalis,  h.,  the  "  "  Hysope  "  of  the  Codex  ;  Inula  Helenium,  L.; 
Iris  Florenlina,  L  ;  Isatis  tinctoria,  L.,  the  woad,  which  yields  a  blue  dye 
that  was  extensively  used  before  the  introduction  of  indigo  ;  Laurus  nobilis, 
Iv.,  Lavandula  vera,  D.C.;  Levisticum  officinale,  Koch  ;  Linum  usitatissi- 
mum,  Iv. ;  Malva  sylvestris,  L,.,  the  leaves  and  flowers  of  which  are  official  in 
the  Codex  ;  Marrubium  vulgare,  L  ,  the  "  Marrube  blanc"  of  the  Codex,  also 
official  in  the  U.S. P.;  Melilotus  officinalis,  Iyam.;  Melissa  officinalis,  L.; 
Mentha  Piperita,  h  ;  Morns  nigra,  Iv.,  the  mulberry  tree,  whose  fruits  enter 
into  the  preparation  of  a  syrup  in  the  Codex  ;  Nicotiana  Tabacum,  Iv.;  Nigella 
Damascena,  Iv.,  (Enanthe  crocata,  L.,  a  rank  poison  which  has  been  mistaken 
for  celery  and  other  Umbelliferae ;  Ononis  spinosa,  which  yields  the 
"  Hauhechelwurzel"  of  the  German  Arzneibuch;  Opoponax  (  hironium, 
Koch  ;  Origanum  vulgare,  Iv.,  the  "  Origan  vulgaire  "  of  the  Codex,  and  O. 
Majorana,  L,.,  the  "  Marjolaine  "  of  the  same  work  ;  Papaver  Rhoeas,  L.,  and 
P.  somniferum,  Iv. ;  Peucedanum  Ostruthium,  Koch  ;  Phytolacca  decandra,  L. ; 
Pimpinella  magna,  Iv  ,  the  root  of  which  is  official  in  the  Arzneibuch  under 
the  name  of  "Radix  Pimpinellcz"  or  "  Bibernellwurzel  Plantago  major, 
Iv  ,  P.  media,  Iv.,  and  P.  lanceolata,  Iv  ,  all  included  uuder  the  term  "  Plan- 
tain "  in  the  Codex,  and  P.  Psyllium,  Iv.,  whose  seeds  are  also  official  in  that 
work,  a  mucilage  being  prepared  from  them  which  is  similar  to  the  "  Decoctum 
lspaghulce"  of  the  Indian  and  Colonial  Addendum  of  the  B.P.,  but  the  drug 
used  in  this  case  consists  of  the  seeds  of  Plantago  ovata,  Forsk  ;  Podophyllum 
peltatum,  L.,  the  source  of  the  Podophyllum  rhizome  of  the  pharmacopoeias  ; 
Polygonal um  officinale,  All.;  Polygonum  Bistorta,  Iv.;  Polentilla  Tormeiililla, 
Neck.,  the  "  Tormen  tille  "  of  the  Codex;  Prunella  vulgaris,  Iv.,  self-heal; 
Prunus  Amygdalus,  var.  dulcis,  Stokes,  which  yields  sweet  almonds,  and  P. 
serotina,  Bhrh.;  Pulmonaria  officinalis,  L.;  Pyrus  intermedia,  Ehrh  ,  with 
acid  fruits  similar  to  those  of  the  mountain  ash;  Rhamnus  Frangula,  Iv. ; 
Rheum  officinale,  Baill.,1  R.  palmatum,  L.,  and  the  variety  tanghuticum  ;  Ribes 
nigrum,  L.,  the  "  Cassis  "  of  the  Codex  ;  Ricinus  communis,  L.;  Rosa  canina, 
Iv.  ;  Rosmarinus  officinalis,  L.;  Rubia  ti?ictorum,  L. ;  Rumex  acetosa,  L.,  the 
"  Oseille  commune'''  of  the  Codex,  and  R.  Patientia,  L,  ,  which,  together  with 
other  species  of  Rumex,  yields  the  "  Racine  de  Patience  "  of  the  same  work  ; 
Ru'a  graveolens,  Iv  ;  Salvia  officinalis,  Iv. ,  of  which  the  flowering  plant  or  leaves 
are  official  in  the  Codex,  Arzneibuch,  and  U.S. P.;  Sambucus  Ebulus,  Iv.,  the 
source  of  the  11  Baies  d'  Hieble"  of  the  Codex,  and  6*.  nigra,  Iv.  ;  Saponaria 
officinalis,  Iv  ,  whose  leaves,  stem,  and  root  are  official  in  the  Codex  ;  Scopola 
Carniolica,  Jacq.;  Scutellaria  lateriflora,  Iv  ,  or  skullcap,  the  "  Scutellaria  " 
1  The  fine  specimen  represented  on  Plate  XXVIII  is  a  hybrid  between  R. 
officinale  and  R.  Emodi,  but  there  is  also  some  typical  R.  officinale  in  the  col- 
lections. 
