16fi 



Nitric Aciu (28).] 

 Cusconine, gn. 

 Ditamine, see II. 

 Echitamine, see I. 

 Echiteiiiue, see I. 

 Parabuxine, gn. 



Solanine, A.-G., colourless'wbl.-*^ 

 colourless. 



Illfi. Non-alkaloidal substances 



giving green or blue colours. 

 Adonin, G., indigo bl. 

 Crocin, G., momentary bl.->~bii. 

 [Digitalin, gn., or Ila., IVa.] 

 Scillain, G., y.'v~gn. 

 Solanine, A.-G., see III. 



IV. Alkaloids giving no colours 



or but faint yellow. 

 Aconitine, if pure ; see also II. 

 Atisine. 

 Atropine. 

 Carpaine. 

 Cinchonidine. 

 Cinchonine. 

 Conhydrine. 

 Coniine. 

 Delphinine. 

 Delphinoidine. 

 Fumarine. 

 Hyoscyamine. 

 Lycoctonine. 

 Nicotine. 



CLASSIFICATION OF REACTIONS, ETC. 



Paytamine, at first colourless; see I. 



Piturine. 



Quinidine. 



Quinine. 



Ratanhine, if pure ; see I. 



Scopoline. 



Solanine, A.-G., at first colourless ; 



.see III. 

 Sparteine. 

 Strychnine, or II. 

 Surinamiue (Ratanhine), if pure ; 



see I. 

 Taxine, or II. 

 Theine. 

 Theobromine. 

 Valdivine. 

 Voratrine, or II. 

 Vicine, see T. 



IV«. Non-alkaloidal substances 

 giving no colours or but faint 

 yellow. 



Araliin, G. 



Ceratophyllin, faint y. 



[Digitalin, G., authorities differ ; 



see II., III.] 

 Erythrocentaurin. 

 Helixin, G. 

 Liriodendrin, B. 

 Solanine, A.-G. ; see IV. 

 Variolarin, B. 



29. FROHDE'S SOLUTION (concentrated sulphuric acid containing 

 molybdic acid). 



I. Alkaloids giving red, purple, 

 or violet shades. 



Apomorphine, v. 

 Beta-homo-chelidonine, y.-'^v.'wgn. 



Brucine, r -wy. 



Cocaine, blood-r. 



Corydaline (Adermann's), v. or gn. 



streaked with v. 

 Delphinoidine, blood-r. 



Emetine, r.-wgn. 



Ergotinine, see III. 



Fumarine, v.-v/>.dark gn. 



Hypoquebrachine, r. 



Lobeliine, r.-bn. 



Loxopterigine, v.-wbl. 



Morphine, magnificent v.-wgn.'w 



bn.-gn.-v~y. ; after 24 hours 



bl.-v. 

 Narceine, see II. 

 Oxj'acanthine, v. 

 Papaverine, see III. 

 Porphyrine, p. 

 Sabadilline, grad. r.-v. 

 Sabatrine, grad. r.-v. 

 [Solanine, A.-G., cherry">~bn.'>^r. 



Staphysagrine, bn.-v. 

 Taxine, r.-v. 

 Teratriue, y.'wcherry. 

 A'eratroidine, grad. cherry. 



Ic Non-basic substances giving 



above colours. 

 Absynthiin, see II. 

 Colocynthin, grad. r.-«<-bn. 

 Digitalin, see II. 

 Ononin, pure r. 

 Populin, V. 



Salicin, magnificent v.'wdark cherry. 

 Solanine, see I. 

 Syringin, blood-r.->/^v.-r. 



II. Alkaloids giving yellow to 



brown colours. 

 Aconitine, j'.-bn. 

 Amarylline, bn.-gn. 

 Bellamarine, bn. 

 Beta-homo-chelidonine, see I. 

 Bebeerine, bn.-gn. 



[Fkohdi-.'.s Solution (29). 

 C'olchiceine, y. 

 Colchicine, y.■^^y.-gD. 

 Conchairamine, brownish. 

 Delphinine, r.-bii.~>-dirty gn. ; or 



Hydrastine, gn.'wbn. 

 Imperialine, gn.-y. 

 Lobeliine, r.-bn. 

 Narceine, bn.->/vgn.'wr.'VA.v. 

 Piperine, y.^~bn. 

 Thebaine, orange. 

 Tera trine. 



Ua. Non-basic substances giving 



yellow to brown colours. 

 Absj'nthiin, bn.^~v.-bl. 

 Chamailirin, y.-bn. 

 Colocynthin, see I. 

 Digitalin, orange-wr.-^v-bn.^black. 

 Elaterin, y. 

 Quassiin, bn. 

 Villosin, dark bn. 



III. Alkaloids giving green or 



blue colours. 

 Alpha-homo-chelidonine, dirty bn.- 

 gn. 

 Amarylline, bn.-gn. 

 Aricine, bl.~>-gn., or IT. 

 Aspidosamine, bl. 

 Bebeerine, bn.-gn. 

 Berberine, bn.-gn. ~>.gn. 

 Beta - homo - chelidonine, y.->~v.- 



Calcitrapine, olive-gn. 



Ceanothine, bl. 



Codeine, dirty gn.-^A-indigo-bl. after 



2-1 hours. 

 Conchairamidine, intense gn. 

 Corydaline (Adermann's), see I. 



