EUI'HORHIACE/K.

777

111K Fecula ( Tapioca) of the Root. —When the root hasOf^i c %>rived of its poisonous principle, it becomes highly nutritious.Co le Preparations of it before referred to, the only one met with in this0 f (] nlr y is the fecula {Tapioca). This is both highly nutritious and easyI 'gextion. Its local action is emollient and demulcent.

SEs —Made into puddings, tapioca is employed as a dietetical sub-'vii' 1Ce ‘ foiled in w ater or milk, and flavoured with sugar, spices, orlj,i a ccording to circumstances, it is used as an agreeable, nutritious,islv> easily digestible article of food for the sick and convalescent. Ite ' oid of all irritating and stimulating properties.

1 ?

Other Medicinal Euphorbiacece.

"1 Ji\° n ^ seu do-China, Schiede, ( Croton Cascarilla, Don, Ph . L.) prows in the vicinityCr Ul , a J' ri > at Actopan, and in the district of Plan del Rio, in the province of VeraU: h eX ' C0 ‘ I ls bark, called Qwina blanca, or Copalche bark, has been confounded, 1^1 °th cinchona and cascarilla barks. In 1817, a quantity ol it was carried toSfirug . Ur Kfi as Cascarilla de Trinidad de Cuba. In 1827 no less than 30,000 lbs. ol theS °®H >■. " crc sent from Liverpool to Hamburgh as genuine cinchona, but it wasv tss e ] eco "nized to be a bark nearly allied to cascarilla, and bv those on board thefrom Para was declared to be Quina, dit Copalchi. Subsequently theand • er Wii Altenstein procured some of it from Mexico , under the name of Copalche ;Cr ot 1 1^29 the plant yielding it was declared by Dr. Schiede to be a species of| Hist 0o i’ ^’hieh he called Pseudo-China. Mr. Don (Ed. New Phil. Journ. xvi. 368)(ffn cr , 11 lor cascarilla bark. Copalcbe bark, iu its form, size of the quills, andtut itj a PP e arance, very much resembles what our druggists call Ash Cinchona bark,Ir aascar illa-like flavour instantly distinguishes it.

*te c ascarilla bark it is distinguished by the length of the quills, their colour, and®il(l q e " ce °f transverse cracks. (For further details consult Guibourt, Hist. desDrog.',^ a,1( i Kunze, Pharrn. Waarenhunde).

C <1( hart' a F ' urcas ' s a native of South America and of Asia . Its fruit is the mixs i(jD a || le o americana, or nux barbadensis of some writers. Its seeds, which are occa-in the shops, are called physic nuts (semina ricini majoris, or pros*«ecl s / jlvde). Pelletier and Caventou analyzed them under the name of Crotonc al| e j . r “. de Pharm. t. xv. p. 514), and extracted from them a volatile acrid acid,

a tl(l e J at {°Phic acid. Mr. Bennett (Land. Med. Gas. ix. 8) swallowed, four seeds,"au Se P er ' e uced a very unpleasant burning sensation in the stomach and bowels, withKm! " hi * * h » an interval of nearly two hours, terminated in vomiting: their

Ji^i lVe effects followed soon afterwards, and were mild; the sickness had thenar !fe q^ asse d away, but the b urning sensation continued for some time longer. InIbg H ?. es fltey are energetic poisons.

c iyji,, [Qleum Jalrophee Curcadis seu Oleum, infernale) is analogous in its propertiesa,tl TK 11 0l ^ ri' s occasionally used as a drastic purgative. In India it is used forP '"

a $ ai DjflT^ a Lathyris, or Caper Spurge, is an indigenous biennial. It is mentionedlease p Cllla ^ substance in the Paris Codex . Its milky juice is violently acrid. In* Prisoning bv the seeds, narcotic symptoms were also present (Christison,'"ay jj ° n Poisons). The oil ( Oleum Euphorbia Lathyridis), extracted from the seeds,1 to as an indigenous substitute for croton oil. The dose of it is from

Pupl U !\ ^ ro P s (Dierbach , Neueste Entd. in d. Mat. Med. S. 76, 1837).

*J )a Coj Jrp . t - : r . ipecacuanha is a native of the United States of America , in whose Phar-d ° Se S of'f 11 ' s mentl oned. It is emetic and purgative. As an emetic it is given inThe i„’- om tai1 t0 fifteen grains (United States Eispensatory).

a "itii 0 J Ul< j e of Crozophora tinctoria becomes, under the united influence of air andt<fr ulen\l . , le - Linen impregnated with this blue dye is called rag turnsole (bezetta*"Ust \ lt ' s a test for acids, which redden it, but it is not used in this country. Itoe confounded with litmus (vide p. 570).