). Thus the prickly pejir 

 3f our selectors and sciuntt 

 ' profitably turned to hcco 



t this plant 

 e of nature, 

 of drought 



rilK OOCrKUl-LNX'E UV 



PEAK, fOpi,,>/^ 



)y \V. yi. Hamlkt, F.C.S., 



buwNf; an investigation made A\itli thi^ \ai 



tv of Prickly Pear 



amudh,.iuou.sLodJisn>et.-ithine.tr.u-tIn, 



\^;in.l,.jitU.u.t.r 



^'iviug a fait.t acid reaction. .Se^erai pounds .e 

 chopped line and digested with pure ^vater foi 



ight ot the p(>ar was 

 •24 hours. A clear 



glairy jpUv-liko substance %vas ohtauied, %v]>ich 

 horny ,.,-anular nwus.e. sonu.vhat rcseu.bling c 

 and found to he soluble in ^^ater but precii)it 



ued'by alcohol and 



acid a s"ub''tance'hal-ing\iil the properties ot"d 



ith dilute sulphuric 

 xtrinv a. obtained, 

 ic.n of a fermentable 



while further livdrolysis resulted in iheproduo 



sugar precipitated by Fehlin- -oiutir.n, (Arabn 





>^-ith nitric acid, the sugar nipi<'.uie nv.i- u-. 





finally into oxalic acid. The .(n.-.u. .-h; 



„„. <.f Til.' > x-rut^ 



became tinted on keeping, .i'-^- '[" -,''''"■ 



!,,!'nU,u;u'dl»i il.'- 



^•olour. Not sutticient of th.- su^ n i.k.- .-.uy 





