PA1!T III. 



C L AS^^IFICAT I ON OF REACTIONS, ETC- 



1. REACTION WITH ALKALINITY TESTS. 



The behaviour towards litmus is so easily seen on reference to column (J, 

 in Part II., that another list here appears unnecessary. 



Towards Phenolphthalein, it is interesting to note that nearly all 

 alkaloids are neutral ; solutions of their salts being indicated as if the 

 acids were free. The following are exceptions, i.e., react alkaline lo 

 liheiiulpltlliakiii . 



Atropine. 

 Coniine. 

 Homatropine. 

 See Plugge, A n-h. Phi 



•; [3], 25, 45. 



Hyoscine. 

 Hyoscyamine. 



Nicotine. 



2a. SOLUBILITY IN WATER. 



Tlie foltincinrj suhstaiires are niiluhle in iraler, and may be regarded as 

 exception.s, for the greater number of the A., U. and B. are insoluble. 

 Those in italics are very soluble ; cc = miscible in all proportions ; those 

 in brackets are soluble with difficulty ; df.c.=ditficuUly cold. 



Alkaloids. 



Acolyctine. 

 Aoonine. 

 Anagyrine. 

 .\recaidine. 

 Arecaine. 

 .Ireeoline. 

 1 Aspidosperraatine. 

 'Atropine, 1 in 200. 

 '[Bacharine, df.c] 

 Berberine, 1 in )^0U. 

 Caffeine. 



Calabarine. 

 Cedrine. 



Chrysanthemine. 

 Codeine, 1 in 80. 

 [Colchiceine, df.c, sol. 



hot.] 

 Colchiei lie, very. 

 Conhydrine. 

 Coniine, 1 in 100. 

 Cuprine. 

 Curarine. 

 Cynapine. 

 Ci/tisine CD. 



Dibromapophylline. 



Ecboline. 



Eegonine, very. 



Echitamiue. 



[Ephedrine.*] 



Ergotine. 



Erythrophloeine. 



Glaucopicrine. 



Guaebamanine. 



Guvacine. 



Heliotropine. 



Hyoscyamine. 



Isopelletierine. 



.Taborine. 



Laburniue. 



Lobeliine. 



[Lu])anine.*] 



Lupinidine. 



Lycoctonine. 



Macrocar|)ine (?). 



Mandragorine. 



Methylpelletierine. 



[Morrenine.*] 



Jluscariiie oc. 



Nicotine. 



Pelletierine. 



Piliganine. 



Pilocarpidine. 



Pilocarpine. 



Piperidine oc. 



Piturine. 



Pseudaconine. 



Pseudopelletierine. 



SahailiUine, very. 



Sabadinine. 



Sabatrine. 



Sinapine thiocyanide 



(yellow). 

 Sophorine. 

 Spigeline. 

 [Staphisagrine, 1 in 



•JOO.] 

 Theine. 1 in 98. 

 Theophylline. 

 Trianospermine. 



sol. 



Trigonelline, very. 

 Vlerine, very. 

 [Valdivine, hot.] 

 [Violine,df.] 



Glucosides. 

 Achillein. 

 Adonin. 

 Amygdalin. 

 Aphrodtescin. 

 Apocynein. 

 [Arbutin, df.c, 



hot.] 

 [Asclepiadin, df.] 

 [Asebotin, df.] 

 Bergenin. 

 Bryonin. 

 Cathartic acid 

 Chamslirin. 

 Colocynthin. 

 Coniferin, 1 in I'JG. 

 Convallamarin. 

 Convolvulin. 

 Coriamyrtin. 

 Crocin, reddish-yellow. 

 [C'yclamin.] 

 [Datiscin, df.c, sol. 



hot.] 

 Digitalein. 

 [Digitalin.*] 

 Digitonin y^. 

 Echugio. 



Fabianin. 



[Fustin, sol. hot.] 



Gentiopicrin. 



Globularin. 



Gratiowlin. 



Helicin, 1 in ((4. 



Indican. 



Loliin. 



[Menyanthin, df.c, sol. 



hot.] 

 [Murrayin, df.c, sol. 



hot.] 

 Naringin, 1 in 300. 

 Paristyphnin. 

 Pinipicrin. 

 Propffiscinic acid. 

 Rhamnin (j-ellow). 

 Rhinanthin. 

 [Robinin, df.c, sol. 



hot.] 

 Salicin. 

 Saponin. 

 Scoparin. greenish - 



yellow. 

 Sinalbin. 

 Sophorin. 

 Slroiihanthin. 

 Thevetin. 1 in 122. 



Amaroids, etc. 

 Agoniapicrin. 



.Authorities iliffer. 



