130 



THE PJttXCIPUJS OF AGRICULTI-KE 



orggOL, spread a drop of tinetoie of iodine on tiie eat smfaee. 

 and the blue or violet eolor indicates tlie xneaenee of stareh. 

 Test the lanndiy starch. 



203&. To determine that stareh is formed 



onlv in the green parts of leaves, seenre a 



' —zih white, like a eolens or geranium, 



. me hoars in sonlig^. Plaee it in hot 



olor disappears, sad thea add some 



•h -WCT^ arr^*-n »»»• eolOFCd Tiolct- 



rarts are on- 



rk eloth for 



rch aty- 



:.__ :_^ ._. _. ... - -^ of the 



.-aaed in sanlisL*. 





.es are foreeti 



\ 



/ 





\l 



^ at A in F\^ 



00 %MMtS ^A^ . 



