156 



Silver Nitiiatk (10.)] 

 G liicosidt's. 

 Antiarin (ammoniacal AgNOj). 

 Chicorin. 



Convolvulin, pp. (?). 

 Cyclamin. 

 [Daphnin, slight reduction on 



warming.] 

 Gentiopicrin (amraoniacjil AgNO;,). 

 Menyantliin ,, ,, 



Quercetrin. 

 Rhamnin. 



Robinin, slow reduction. 

 [Saponine, slow reduction on 



warming.] 

 Sinalbin, white pp., then black pp. 



of Ag.S. 

 Solanine. 

 Strophanthin. 

 Xanthostrumarin, slight reduction 



on Wiirming, or at once with 



ammoniacal AgNO;). 



BUtev priiiciplen niitl (HHcoiiiile 

 (Jerivalires. 



CLASSII'ICATTON OF REACTIONS, KTf. 



Arniciu (alcoholic). 

 Oantharidin, white crys. pp. 

 Catechin, gn. pp. -^ violet-black 



(ammoniacal AgNO.,). 

 Cornin, white crys. 

 Oyclamiretin. 

 Daphnetiu. 



Lactucin (ammoniacal AgNO;,). 

 Lygustron ., „ 



Ononid, pp. 

 Ophelic Acid. 

 Qucrcetin. 

 Rhamnetin. 

 Sapogenin (ammoniacal AgNO;,). 



II. No reaction with following : 



Aloiu. 



Ceratophyllin. 



Cnicin. 



Ericolin. 



Erythrocentaurin. 



Picrotoxin. 



Quassiin. 



Scoparin. 



Villosin. 



./Esculetin. 



11. FEELING'S SOLUTION (alkaline copper tartrate) is reduced by 

 the following : 



Alkaloids. 



Aconine. on boiling. 



Aspidospermine. 



Ceanothine, on boiling. 



[Echitaraine, after 

 treatment withacid]. 



[Lobeliine, after treat- 

 ment with acid.] 



[Valdivine, after treat- 

 ment with alkali.] 



Glucosides. 



Acorin. 



Bergenin. 



Camellin. 



Cephalanthin, 

 boiling. 



Chamjelirin, after boil- 

 ing 



Chicorin. 



Colocynthin. 



after 



Coriamyrtin. 



Cyclamin, H'hite pre- 

 cipitate. 



[Helixin. after inver- 

 sion.] 



Tndican. 



[Melanthin, after in- 

 version.] 



Menyanthin. 



[Phillyrin, after inver- 

 sion.] 



Picrocrocin, on warm- 

 ing. 



Quercitrin, on boiling. 



Robinin. 



Saponin, slowly. 



Sinalbin (copper sul- 

 phide also formed). 



Smilacin. 



[Villosin, after inver- 

 sion.] 



[POTA.S.SII-.M FKUROCVA.MDK (12). 



[Xanthostrumarin, Fisetin (on warming). 



after inversion.] 



Bitter Principles and 

 Glucoside deriva- 

 tives. 



.(Esculetin. 

 Cyclamiretin, pp. 

 Daphnetin. 



Not by the foil. 

 Alkaloids. 



Calamine. 

 Lobeliine ( not till 



verted). 

 Macrocarpine. 

 Pseudaconine. 

 Theine, if pure. 



Glucosides. 



Arbutin. 

 Diosmin. 

 Gentiopicrin. 



iwiug (amongst others) : 



Helixin, not till 

 ' verted. 

 Linamarin. 

 Melanthin, not till 



verted. 

 Phillyrin, not till 



verted. 

 Rhamnin, n(j pp. 

 Sapotin. 

 Solanine. 

 Strophanthin. 

 Villosin, not till 



verted. 



Karakin, gn. pp. or 



reduction. 

 Kellin. 

 Lactucin. 

 Ophelic Acid. 

 Picrotoxin. 

 Quercetin, on boiling. 

 Rhamnetin, cold. 

 Sapogenin, slightly. 



Xantho^trnmario, not 

 till inverted. 



Bitter Principles and 

 Glucoside deriva- 

 tives. 



Aristolochin. 



Chirettin. 



Ilixanthin. 



Marrubiin. 



Opionin. 



Sikimin. 



Syringopicrin. 



12. POTASSIUM FEREOCYANIDE. 



I. Gives precipitates with the 

 following alkaloids : 



Akazgine. 



Apoiiiorphiue. reddish - y. (gn. 



warm). 

 Atherospermine. 

 Bebeerine, y. 

 Brucine,y. crys. (blue on exposure), 



not 1 in 500. 

 Cinchonidine, reddish-y. crys. 



Cinchonine, yellowish-white, not 1 



in 500, sol. warm. 

 Cocaine, sol. in exces*. 

 Codeine, white (alcoholic), slight 



pp. 1 in 1,0I.)0. 

 [Colchicine, conod.] 

 Curarine. 



Emetine, 1 in 1,000. 

 Harmaline, red. 

 Hydrastine, white. 

 Hymenodictyonine. 



