386    Materia  Medica  of  the  3Iexican  Pharmacopoeia.  {^'^'Inl'^'-mT^' 
Borraja,  Borago  officinalis,  Lin.,  naturalized  in  fields  in  Mexico. 
The  leaves  and  flowers  are  occasionally  used  as  a  stimulant  and  sudo- 
rific, 
Brea,  the  residue  from  the  distillation  of  turpentine.  Two  kinds 
are  distinguished  in  Mexican  commerce:  1.  Brea  de  Penca;  con- 
gealed in  moulds  of  maguey  leaves^  it  forms  elongated  planoconvex 
cakes,  yellow,  glass-like,  transparent  and  brittle.  2.  Brea  de  Mar- 
queta;  in  cubical  cakes  or  broken,  more  or  less  opaque,  blackish 
brown,  somewhat  empyreumatic. 
Butua,  Cissampelos  Pareira,  Lamarcl',  Menispermacese ,  near  Chil- 
pancingo,  in  the  State  of  Guerrero,  etc.  The  root  is  fibrous,  hard, 
externally  brown,  internally  yellowish  gray,  the  cross  section  showing 
concentric,  easily  separable  layers ;  inodorous ;  taste  sweet,  afterwards 
bitter;  reputed  to  possess  diuretic  properties.  The  juice  of  the  leaves 
is  used  against  snake  bites. 
Cabalonga  (the  seeds  of  Strychnos  Ignatii,  Bergim)^  Cacao,  Caf6, 
Calamo  aromatico  (calamus),  Canela  (cinnamon),  Cardamomo  menor 
(cardamom),  Cascarilla,  Castoreo  (castor),  Catecu,  Cebada  (barley) 
Cebolla  (onion),  Cera  de  abejas  (beeswax),  Cicuta  mayor  (Conium 
maculatum),  Cidra  (Citrus  medica),  Ciruelo  de  Espana  (prunes),  Clavo 
de  especia  (cloves).  Coca  de  Levante  (cocculus  indicus),  Coca  del  Peru 
(coca  leaves),  Cochinilla  (cochineal).  Cola  de  pescado  (isinglass,  in  Mex- 
ico also  obtained  from  Silurus  Bagre  and  other  fishes),  Colchico  (tuber 
and  seeds),  Colombo,  Coloquintida  (colocynth),  Comino  (cumin), 
Cubeba,  Cuernecillo  de  centeno  (ergot),  Cuerno  de  ciervo  (hartshorn, 
from  Cervus  mexicanus,  etc.),  Culantro  (coriander).  Curcuma,  Cuso. 
These  drugs,  well  known  in  our  commerce,  have  been  admitted. 
Cacahuate,  Arachis  hypogtea,  Lin. ;  Leguminosse.  The  seeds  are 
used  as  an  aliment  and  for  preparing  the  fixed  oil ;  the  root  is  com- 
monly used  as  a  substitute  for  liquorice  root. 
Cacaloxochitl,  Plumiera  rubra,  Lin.,  Apocynacese ;  in  Morelos,  Yu- 
catan and  other  hot  districts.  The  flowers  are  pectoral ;  the  juice  is 
used  for  certain  ulcers  and  for  destroying  warts. 
Cacomite,  Tigridia  pavonia,  Persoo^i;  Iridace^e ;  in  Central  Mex- 
ico. The  bulb  is  rich  in  starch,  and  is  boiled  and  used  for  food ; 
among  common  people  it  enjoys  the  reputation  of  being  febrifuge. 
Cainca,  Chiococca  anguifuga,  if«r/ms;  Rubiacese;  Brazil,  etc.  The 
Mexican  cainca  is  Ch.  racemosa,  Jacquin,  which,  with  other  roots,  is 
known  in  Brazil  as  puaia  (poaya),  and  in  Cuba  as  bejuco  de  verraco. 
