682 



STARCHES OF AMARYLLIDACE^. 



Differentiation of Certain Starches of the Genus Narcissus. — Continued. 



Effects of Various Reagents. — Continued. 



Reaction with Chloral Hydrate-Iodine— Contmned. 



N.jonquiUa var. rugulosxis: Begins in most in 2 J^ minutes; 



Staining Reactions. — Continued. 



With Gentian Violet. — Continued. 

 N. buiboeodium var. monophyUiu: Fair, slightly less than 



in N. horsfiMii. 

 AT. incomparabilii: Light, less than in N. horsfieldii. 

 S. mionu: Fair, the same as in jV. horsfieldii. 

 H. vo«ticu»: Fair, slightly less than in N. horsfieldii. 

 N. ijfUrus: Fair, somewhat less than in A^. horsfiMii. 

 If, JMtquiiia: Light, less thtia in N. horsfiMii. 

 JV. jonmilla var. nigulosus: Fair, slightly less than in N. 



horsfieldii. 

 N. jonquilla var. camperruUi rugiUosus: Fair, slightly less 



than in N. horsfieldii. 

 N. taxetta var. orientalis: Fair, the same as in A^^. horsfiMii. 



WiUi Safranin. 



N. horsfieldii: Fair. 



AT. maximtu: Fair, slightly less than in A^. horsfieldii. 



N. hxilbocodium: Light, less than in AT. horsfiMii. 



N. buiboeodium var. conspicua: Light, less than in A'^. 



horsfiMii. 

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



horsfiMii. 

 N. ineomparabUis: Light, less than in N. horsfiMii. 

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

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

 IV. biflorus: Light, less than in N. horsfieldii. 

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

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



horsfieldii. 

 N. jonquilla var. campemelli rugulosus: Light, less than 



in N. horsfiMii. 

 N. tazetta var. orientalis: Fair, the same as in N. horsfieldii. 



Temperature of Gelatinization. 



AT. horsfieldii: 73 to 75° C, mean 74°. 



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



If. buiboeodium: 71 to 73° C, mean 72°. 



AT. buiboeodium var. conspicua: 72 to 73.5° C, mean 



72.75°. 

 If. buiboeodium var. monophyllus: 73 to 75° C, mean 74°. 

 N. ineomparabUis: 75.5 to 77° C, mean 76.25°. 

 AT. odorus: 74 to 75° C, mean 74.5°. 

 AT. poeticus: 72.5 to 74° C, mean 73.25°. 

 AT. biflorus: 74 to 76° C, mean 75°. 

 AT. jonquilla: 75 to 77° C, mean 76°. 

 N. jonquiUa var. rugulosxis: 74.5 to 76° C, mean 75.25°. 

 N.jonquiUa var. campemelli rugulosus: 76 to 77° C, mean 



76.5°. 

 N. tazetta var. orientalis: 76 to 78° C, mean 77°. 



Effects of Various Reagents. 

 Reaction with Chloral Hydrate-Iodine. 



N. hnrsjiMii: Be^ns in most in 4 minutes; complete 



in four-fifths in 60 minutes. 

 A^. maximus: B^ns in most in 3 minutes; complete in 



two-thirds in 75 minutes. 

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



in half in 55 minutes. 

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

 utes; complete in half in 45 minutes. 

 N. buiboeodium var. monophyllus: Begins in most in 3 



minutes; complete in three-fourths in 45 minutes. 

 N. ineomparabUis: 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^. poetieus: Begins in most in 4 minutes; complete in 



three-fourths in 60 minutes. 

 N. biflorus: 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. campemelli rugulosus: Begins in most in 



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

 N. tazetta var. orientalis: Begins in many in 1 minute; 



complete in one-fourth in 60 minutes. 



Reaction with Chromic Acid. 



N. horsfieldii: Begins in IJ^ minutes; complete in 14 

 minutes. 



N. maximus: Begins in IJ^ minutes; complete in 5 

 minutes. 



AT. buiboeodium: Begins in 1 minute; complete in 8 

 minutes. 



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

 plete in 6 minutes. 



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

 complete in 5 minutes. 



N. ineomparabUis: Begins in 45 seconds; complete \ii5\^ 

 minutes. 



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



N. poelicus: Begins in 1 minute; complete in 9 minutes. 



N. biflorus: Begins in 1 minute; complete in 5 minutes. 



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

 utes. 



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

 in 4 minutes. 



A'^. jonquilla var. camperneUi rugulosus: Begins in 1 Ji min- 

 utes, complete in 7 minutes. 



AT. tazetta var. orientalis: Begins in 1 )^ minutes; complete 

 in 8 minutes. 



Reaction with Pyrogallic Acid. 



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

 in 60 minutes. 



N. maximus: Begins in 2J^ minutes; complete in 35 

 minutes. 



N. buiboeodium: Begins in 1 minute; complete in 45 

 minutes. 



AT. buiboeodium var. conspicua: Begins in 2 minutes; com- 

 plete in 20 minutes. 



N. buiboeodium var. monophyUus: Begins in 45 seconds; 

 complete in 13 minutes. 



A'^. ineomparabUis: 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. 



N. poeticus: Begins in 2 minutes; complete in half in 35 

 minutes. 



N. biflorus: Begins in 2}^ minutes; complete in all in 22 

 minutes. 



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

 are partially and half completely gelatinized in 60 

 minutes. 



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

 in 15 minutes. 



N. jonquilla V ax. campemelli rugulosus: Begins in many in 

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

 inized in 27 minutes. 



A'', tazetta var. orientalis: Begins in 2J^ minutes; com- 

 plete in two-thirds in 25 minutes. 



Reaction with Ferric Chloride. 



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

 1 14 hours. 



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

 an hour. 



N. buiboeodium: Begins in a few in 1}^ minutes; com- 

 plete in 50 minutes. 



