249 



ft 10 IS 20 29 30 35 40 45 60 60 60 



wjuoo of cumop w mmrra. 

 8 10 15 ?0 25 30 35 40 45 60 50 60 



536 



( haets D 533 to D 535, D 537, D 538. — Velocity-Reactions of Starches of Begonia double while ( ), Begonia 



socolrana ( ), and Begonia Julius ( ). 



533. With Chloral Hydrate. 



534. With Chromic Acid. 



535. With Pyrogallic Ac-id. 



537. With Nitric Acid. 



\Wtti .Strontium Nitrate. 



Chart D 536. — Velocity-Reactions of Pyrogallic Acid with the Starch of Begonia double white. Percentage of 



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



s 



\ 

 Si 



".5 



a k 

 1 * 



! 



I 



Charts D 539 to D 541, D 513, D 544. — Velocity-Reactions of Starches of Begonia double dap rose ( ), 



Begonia socotrana ( ), and Begonia success ( ). 



539 With Chloral Hydrate. 

 54ii. U .Tli Chron i. li id 



"11. With Pyrogallic Acid. 



•• ith Vilric > 



544. With Stn Qtium '. i 



Chart D 542. Velocity-Reactions of Pyrogallic Acid with the Starch of Bi i double de> 

 entiri ns ( ) and total starch ( ) gelatinized. 



