Watery Extracts. 161 



ExTR. ACORi. From Calamus aromaticus. 



Horse aloes, Musambrium^ Aloe cahallina. From the decoc- 

 tion of the leaves of aloes; dark coloured, foetid, used only for 

 inferior horses and other cattle. 



E. radicis BRYoxiiE ALB.E. From a decoction of the root : in 

 doses of 5ss to 3j. 



E. CALUMB.E. From the root. 



E. ANTHEMiDis, E, floriun chamcemeli, E, chamcBmeli^ E. an- 

 themidis nobilis. From chamomile flowers ; gr. x to 3j, bis terve 

 die. 



Cash cctti, Catechu. From Acacia catechu, almost black, 

 hard, very bitter, slightly astringent and tonic ; used as an astrin- 

 gent masticatory: brought from Acheen and Pegu. 



CuTTA CAM BOO, Gutta f/ambiv. From Nauclea gambir ; also 

 from the Funis uncatus of Rumph, and another tree ; of a light 

 brown colour, slightly bitter, powerfully astringent; in lozenges, 

 balls, and flat cakes ; used as a masticator}^, to fasten the teeth 

 and sweeten the breath ; from Pegu. 



Japan earth, Bengal cutch, Terra Japonica, Gummi Lycium ? 

 Liffiii mimoscB catechu extr.. Catechu extr. From the wood of the 

 Mimosa, or Acacia, catechu ; in round masses, of a dark choco- 

 late colour, solid, resinous and shining ; appears to be ]3repared 

 by decoction and evaporation by heat; it is imported mixed with 

 catechu ; astringent and tonic, gr. x to 3j ; also used in dyeing 

 and tanning. 



Catechu, Bombay cutch. In small squares, of a pale reddish 

 brown, texture lamellated, grain rough ; appears to be prepared 

 by cold infusion, and drying in the sun ; imported by itself, or 

 mixed with terra Japonica. 



E. coLocYNTHiDis MOLLE. From the pulp of bitter apples; 

 actively purgative, gr. v to 3j. 



Essential salt of bark. Bruise bark, and infuse in cold 

 water, strain, and evaporate by a very gentle heat. 



E. OF BARK, /v. cortich Peruviant\ E, cinchojiCB molle. Boil 

 lb j of bark three times, in a gallon of water, filtering each decoc- 

 tion while hot; add the several decoctions together, and eva- 

 porate to a proper consistence for pills ; 56 lb. of bark yielded 

 13^ lb. 



Hard extract of bark, E» corticis Peruviani dunnuy E. 

 rinchnnai durum. Reduced by drying to a state fit for being pow- 

 dered. 



E. OF YELLOW BARK, E. cinchoiuB flavoi, E, of red bark, E. cm- 

 chance rubrce. 



