658
ELEMENTS OF MATERIA MEDICA.
purposes:the Chivethe onion
as,; A.and
A. Podrum , the Leek ; A. ascalon'icum, the Shallot; A. Schamo'prasutn.Scorodo'prasum or Rocambole. Their virtues are analogous to those otgarlic.
Fig. 116.
Xanthorrhaa arborea.Fig. 117.
Squiila Pancra'tion, Steinh-(nayepartov, Dioscorides ) 13said by Steinheil to yield asmall bulb of a reddish colour,found in commerce under thename of squill.
The root of Ale'trisfarino'sais used in the United States as a tonic. Erythro'niuinamericu'num is emetic (Woo®and Bache, United States Ds~pensatory.)
The fresh rhizome of Solo*mon'sSeal (Convalla'ria Poly'gona’tum) is a popular app* 1 'cation to bruised parts (tu eeye for example), to removethe marks. ^
Xant hod r os a hostile andarbdrea , natives of New Ho*'land, yield resinous substance 3 ’That obtained from thespecies somewhat resent*"®gamboge, and is called yeU°~gum [resin] of New Hollaf"'It has been described by W •Kite (Essays and Observ.),***used it in several disease 3 "More recently Dr. Fish (P® r ,bach, Neuest Entd. in d. 'Med. from the Boston ♦ol. x.) has used it in the f or rjof tincture, with opiumi 1fluxus hepaticus and diarrh®,Mr. Johnston (Abstr. of F»* ’Trans, for June 20,1839) s*y ’this resin contains more oxygen than any °t®resinous substance hitherto analysed. Its col ?P|!jsition is C 40 IP" 0 ,J . A red resin, probably * r %X. arborea (fig. 116), has been recently imp° runder the name of black-boy gum. ( ^
The young shoots of Aspa'ragus officinaliswell-known articles of food. They areretie, and communicate a peculiar odour to .Asparamide (formerly called asparPr
is contained in this plant.C« H 5 N O + N H».
Its compos:
iitioB
Dracte'na Dra'co (fig. 117), a native of th® anary Islands and of the East Indies, J'® , e ,esubstance called Dragon’s blood. One ot ^trees growing at Orotava has long been ^ebated for its great size and age. NextBaobab trees ( Adansonia digitata), it *. £ [,egarded as one of the oldest inhabitants 0earth (Humboldt , Tabl. de la Nature ).
Draceena Draco.