682 



STARCHES OF AMARYLLIDACE^. 



Differentiation of Certain Starches of the Genus iVarmsws. Continued. 



Effects of Various Reagents. Continued. 



Reaciiomnlh Chloral Hydrate-Iodine. Continued. 



N.jonquilla var. rugulosus: Begins in most in 23 2 minutes; 



Staining Reactions. Continued. 



With Gentian Violet. Continued. 

 N. buU)ocodium var. monophyllus: Fair, slightly less than 



in N. horsfieldii. 

 N. incomparahUis: Light, less than in N. horsfieldii. 

 N. odonis: Fair, the same as in N. horsfieldii. 

 N. poeticus: Fair, slightly less than in N. horsfieldii. 

 N. bifiorus: Fair, somewhat less than in A^. horsfieldii. 

 N. jonquilla: Light, less than in A'', horsfieldii. 

 N. jonquilla var. rugidosjis: Fair, slightly less than in JV. 



horsfieldii. 

 N. jonquilla var. campcmelli rugulosus: Fair, slightly less 



than in .V. horsfieldii. 

 N. lazetta var. orientalis: Fair, the same as in A'', horsfieldii. 



With Safranin. 



N. horsfieldii: Fair. 



N. maximus: Fair, slightly less than in A'', horsfieldii. 



N. bulbocodium: Light, less than in A'', horsfieldii. 



N. bulbocodium var. conspicua: Light, less than in N. 



horsfieldii. 

 A^. bulbocodium var. monophyllus: Light, less than in A''. 



horsfieldii. 

 N. incomparabilis: Light, less than in A^. horsfieldii. 

 N. odorus: Fair, the same as in A^ horsfieldii. 

 N. poeticus: Light, less than in A'^. horsfieldii. 

 N. bifiorus: Light, less than in N. horsfieldii. 

 N. jonquilla: Light, less than in N. horsfieldii. 

 N. jonquilla var. rugulosus: Fair, slightly less than in A'^. 



horsfieldii. 

 N. jonquilla vax . campernelli rugulosus: Light, less than 



in A'', horsfieldii. 

 N. lazetta var. orientalis: Fair, the same as in A'", horsfieldii. 



Temperatuhe of Gelatinization. 



N. horsfieldii: 7.3 to 75 C, mean 74. 



N. maximus: 74.5 to 76 C, mean 75.25. 



N. bulbocodium: 71 to 73 C, mean 72. 



A'', bulbocodium var. conspicua: 72 to 73.5 C, mean 



72.75. 

 N. bulbocodium var. monophyllus: 73 to 75 C, moan 74. 

 N. incomparabilis: 75.5 to 77 C, mean 76.25. 

 N. odorus: 74 to 75 C, mean 74.5. 

 N. poeticus: 72.5 to 74 C, moan 73.25. 

 N. bifiorus: 74 to 76 C, mean 75. 

 N. jonquilla: 75 to 77 C, moan 76. 

 A'', jonquilla var. rugulosus: 74.5 to 76 C, moan 75.25. 

 N.jonquilla var. campernvllirugulosus: 76 to 77 C, mean 



76.5. 

 A^. lazetta var. orientalis: 76 to 78 C, mean 77. 



Effects op Various Reagents. 

 Reaction with Chloral Hydrate-Iodine. 



N. horsfieldii: Begins in most in 4 minutes; complete 



in four-fifths in 60 minutes. 

 A'. 7najcimus: Begins in most in 3 minutes; complete in 



two-thirds in 75 minutes. 

 A'', bulbocodium: Begins in most in 3 minutes; complete 



in half in 55 minutes. 

 A'^. bulbocodium var. conspicua: Begins in most in 3 min- 

 utes; complete in half in 45 minutes. 

 A', bulbocodium var. monophyllus: Begins in most in 3 



minutes; complete in three-fourths in 45 minutes 

 ,V. incomparabilis: Begins in most in 3 minutes; complete 



in two-thirds in 75 minutes. 

 A'^. odorus: Begins in most in 3}^ minutes; complete in 



120 minutes. 

 A^. poeticus: Begins in most in 4 minutes; complete in 



three-fourths in 60 minutes. 

 N. bifiorus: Begins in most in 3 minutes; complete in 



two-thirds in 50 minutes. 

 N. jonquilla: Begins in most in 3 minutes; complete in 



all but a few in 45 minutes. 



complete in five-sixths in 15 minutes. 

 A'^. jonquilla var. campernelli rugulosus: Begins in most in 



5 minutes; complete in two-fifths in 105 minutes. 

 A'', lazetta var. orientalis: Begins in many in 1 minute; 



complete in one-fourth in 60 minutes. 



I Reaction with Chromic Acid. 



N. horsfieldii: Begins in l]/^ minutes; complete in 14 

 minutes. 



A'^. maximus: Begins in IJ^ minutes; complete in 5 

 minutes. 



A', bulbocodium: Begins in 1 minute; complete in 8 

 minutes. 



A'', bulbocodium var. conspicua: Begins in 1 minute; com- 

 plete in 6 minutes. 



A'^. bulbocodium var. monophyllus: Begins in 45 seconds; 

 complete in 5 minutes. 



A'^. incomparabilis: Begins in 45 seconds; complete in 53^2 

 minutes. 



A'', odorus: Begins in 1 minute; complete in 5 minutes. 



A^. poeticus: Begins in 1 minute; complete in 9 minutes. 



A'', bifiorus: Begins in 1 minute; complete in 5 minutes. 



N.jonquilla: Begins in 1 minute; complete in 10 min- 

 utes. 



N.jonquilla var. rugulosus: Begins in 45 seconds; complete 

 in 4 minutes. 



A'^. jonquilla var. campernelli rugulosus: Begins in 1 }^ min- 

 utes, complete in 7 minutes. 



A'', lazetta var. orientalis: Begins in 1 J^ minutes; complete 

 in 8 minutes. 



Reaction with Pyrogallic Acid. 



N. horsfieldii: Begins in 4 minutes; complete in two-thirds 

 in 60 minutes. 



A'^. maximus: Begins in 2J2 minutes; complete in 35 

 minutes. 



A', bulbocodium: Begins in 1 minute; complete in 45 

 minutes. 



A^. btdbocodium var. conspicua: Begins in 2 minutes; com- 

 plete in 20 minutes. 



N. bulbocodium var. monophyllus: Begins in 45 seconds; 

 complete in 13 minutes. 



N. incomparabilis: Begins in 3 minutes; complete in all 

 but a few in 30 minutes. 



N. odorus: Begins in many in 2 minutes; about one-fourth 

 partially and three-fourths completely gelatinized in 

 45 minutes. 



A^. poeticus: Begins in 2 minutes; complete in half in 35 

 minutes. 



N. bifiorus: Begins in 23/^ minutes; complete in all in 22 

 minutes. 



N.jonquilla: Begins in many in 2 minutes; about half 

 are partiallj' and half completely gelatinized in 60 

 minutes. 



N . jonquillavar. rugulosus: Begins in 45 seconds; complete 

 in 15 minutes. 



N. jonquilla var. campernelli rugulosus: Begins in many in 

 13^ minutes; about four-fifths are completely gelat- 

 inized in 27 minutes. 

 I N. lazetta var. ori-enlalis: Begins in 232 minutes; com- 

 plete in two-tliirds in 25 minutes. 



Reaction with Ferric Chloride. 



N. horsfieldii: Begins in a few in 2 minutes; complete in 

 134 hours. 



N. maximus: Begins in a few in 4 minutes; complete in 

 an hour. 



N. bulbocodium: Begins in a few in IJ^ minutes; com- 

 plete in 50 minutes. 



