CLASSIFICATION OF REACTIONS, ETC. 



Sulphuric Acid (27).] 

 Quinine. 

 Ratanhine. 

 Scopoline. 

 Sparteine. 



Staphisagrine, see II. 

 Strychnine. 



Surinamine (Ratanhine). 

 ThalictrineCO 

 Theobromine. 

 Theine. 

 Ulexine. 

 Valdivine. 



TV<i. Non-alkaloidal substances 

 giving no colour or but slight 

 yellow. 



Carapin, B. 



Ceratophyllin. 



Digitalein, or II. 



Erythrooentaurin. 



Lactucin, B. 



Linamarin, G. 



Marrubiin, B. 



Meconin, 13. 



Picrolichenin, B. 



Quassiin, B. 



Santonin (colourless at first). 



Variolarin, B. 



28. CONCENTRATED NITRIC ACID.— The colours produced by 

 this acid are classified in the same way as those obtained with sulphuric 

 acid. 



I. Alkaloids giving red, purple 

 and violet shades. 



Aconitine, if impure; see II. and IV. 



Apomorphine, v.-r. 



Asiminine, carmine~^.)i. 



Aspidospermine, r. 



Boldine, r. 



Brucine, scarlet to blood-r. 



Capsaicin, r. 



Colchicine, see II. 



Corydaline, grad. bn.-r. 



Cotarnine, r. 



Curarine, p. 



Damasceniue, r.-v. gradually. 



Ditamine, see II. 



Bchitamine, p.~vgn. 



Echitenine, r.'v\.p.->~gn.'>~y. 



Geissospermine, p. 



Grandinorine, p. 



Igasurine, r. 

 Loxopterigine, r. 

 Meconidine, reddish. 

 Pareirine, blood-r. 

 Paytamine, colourIess~>.r. 

 Physostigmine, y. or r. 

 Porphyrine, p. 

 Pseudomorphine, blood-r. 

 Ratanhine [^_^^.^_ .^e IV. 

 [SurinamineJ \ 

 Thebaicine, r. 

 Tylophorine, p.-r. 

 Veratroidine, see II. 

 [Vicine, colourless-wgrad. v. after 

 evaporation.] 



la. Non-alkaloidal substances 



giving above colours. 

 Camellin, G. 

 Cascarillin, B., r.-v. 



Chicorin, G., r. 



Colocynthin, G., light r. 



Daphnin, G., r. 



Daphnetin, grad. intense r. 



Ecbalin, B. 



Fraxetin, darlc v.^vr.-wy.-wcolour- 



less. 

 Gardenin, B., momentary r. 

 Laserpitin, B., r. 

 Scillotoxin, see Ila. 

 Siualbin, G., transient blood-r. 

 Syringin, G., blood-r. 



II. Alkaloids giving yellow to 

 brown colours. 



[Aconitine, if impure, y., r.,orbn.] 



Anthocercine, pale y. 



Bebeerine, bn. 



Berberine, darli bn.-r. 



Ceanothine, y. 



Cinchonamine, y. 



Codeine, y. 



Colchicine, v.~vbn.~~y. (or bl.). 



Cryptopine, grad. y. 



Cytisine, y. 



Ditamine, y.'wd.ark gn.-worange r. 



Echitenine, see I. 



Emetine, y.-bn. 



Gelsemine, y. to greenish. 



Hydrastine, orange. 



Imperialine, y. 



Lanthopine, y. 



Laudanine, orange. 



Laurotetanine, dirty bn. 



Morphine, orange. 



Narceine, y. 



Narcotine, y.~<-colourless. 



Oxyaoanthine, bn.-y. 



Papaverine, y.~vdark orange. 



Physostigmine, y. or r. 



165 

 [XiTRic Acid (28). 

 Piperine, orangC'wy.-gn. 

 Ratanhine. 

 Rheadine, y. 

 Sabadilline, y. 

 Sabatrine, y. 



Strychnine, y.~vdark y., or IV. 

 Taxine, y.-bn., or IV. 

 Thebaine, y. 

 Veratrine, y., or IV. 

 Veratroidine, transient rose~vy. 



II«. Non-alkaloidal substances 

 giving yellow to brown colours. 

 Agoniadin, G., golden y. 

 Assamic Acid, G., y. 

 Chamselirin, B., pale y. 

 Crocin, G., see llla. 

 [Digitalin, authorities diifer ; 



colourless'wy., or III.] 

 Euonymin, G., y. 

 Eupatorin, G., light y. 

 Fraxetin, G.-d., see la. 

 Gratiolin, G., y. 

 Guacin, B., dark y. 

 Ononin, G., y. 

 Scillain, G., y.-wgn. 

 Scillitoxin, y.-r.^/vorange-w 

 Strophanthin, G., pale y. 



III. 



^y.-gn. 



Alkaloids giving green or 

 blue colours. 



Aricine, intense gn. 

 Calycanthine, bright gn. 

 Chairamidiue, dark gn. 

 Chairamine, dark gn. 

 Codamine, gn. 

 Colchiceine, bl. 

 Conchairamidine, dark gn. 

 Conchairamine, dark gn. 

 Concusconine, sn. 



