233 



CufYse of -J!* V»1oclt7-R«.ctlons sr Ihe SUrch ol HARaSSUS EMPR2SS 



Charts D 317 to D 319, D 321, D 322. — Velocity-Reactions of Starches of Narcissus empress ( ), Narcissus 



albicans ( ), and Narcissus madame de graaff ( ). 



319. With Pyrogallio Acid. 321. With Nitric Acid. 



317. With Chloral Hydrate. 



318. With Chromic Acid. 



322. With Sulphuric Acid. 



Chart D 320. — Velocity-Reactions of Pyrogallic Acid with the Starch of Narcissus empress. Percentage of entire 

 number of grains ( ) and of total starch ( ) gelatinized. 



PIUOD OP UACTIOH n uonnu. 

 6 10 15 20 25 30 35 40 45 5Q 55 60 



Charts. D 323 to D 325, D 327, D 328.— Velocity-Reactions of Starches of Narcissus weardale perfection (■ 

 Narcissus madame de graaff ( ), and Narcissus py ramus ( ). 



■), 



323. With Chloral Hydrate. 



324. With Chromic Acid. 



325. With Pyrogallic Acid. 



327. With Nitric Acid. 



328. With Sulphuric Acid. 



Chart D 326. — Velocity-Reactions of Pyrogallic Acid vdth the Starch of Narcissus weardale perfection. Percentage 

 of entire number of grains ( ) and of total starch ( ) gelatinized. 



