GENUS NAKCIS8U8. 



681 



Differentiation of Certain Starches of the Genua Narciaaw. — Continued. 



Histological Chakactebistics. — Continued. 

 LameUm— General Characteristics and Number. — Cont'd. 



N. jonquiUa var. campemeUi rugulosus: Usually invis- 

 ible, fairly regular, coarse, continuous rings. Num- 

 ber not determined. 



N. lazetla var. orienlalis: Usually invisible, coarse, regu- 

 lar, continuous rings. Number not determined. 



Size. 

 iV. horsfieldii: From 3 to 48/i, usually 32/i. 

 A'', maximus: From 4 to 42ii, usually 26/j. 

 AT. bulbocodium: From 5 to 5iii, usually 32m. 

 N. bulbocodium var. conspicua: From 4 to 40ii, usually 



24m. 

 N. bulbocodium var. manophyllus: From 3 to 42m, usually 



22m. 

 N. incomparabilis: From 2 to 42m, usually 28m. 

 N. odorus: From 3 to 40m, usually 24m. 

 AT. poeticus: From 3 to 44m, usually 28m. 

 N. biflorus: From 3 to 40m, usually 26m. 

 N. jonqtiUla: From 3 to 34m, usually 20m. 

 N. jonquiUa, var. rugvlosus: From 4 to 50m, usually 28m. 

 N. jonquUla var. campernelli rugulosus: From 3.5 to 44m, 



usually 24m. 

 N. tazetla var. orienlalis: From 4 to 54m, usually 34m. 



PoLARiscopic Properties. 

 Figure. 

 N. horsfieldii: Usually eccentric, distinct, usually not 



clear-cut, often distorted. 

 N. maximus: Essentially the same as in N. horsfieldii. 

 N. bulbocodium: Essentially the same as in A'^. horsfieldii. 

 N. bulbocodium var. conspicua: Essentially the same as 



in N. horsfi^eldii. 

 N. bulbocodium var. monophyllus: Essentially the same 



as in iV. horsfisldii. 

 N. incomparabilis: Essentially the same as in N. hors- 



fisldii. 

 N. odorus: Essentially the same as in N. horsfiddii. 

 N. poeticus: Essentially the same as in N. horsfieldii. 

 N. biflorus: Essentially the same as in A'^. horsfieldii. 

 N. jonguUla: Essentially the same as in N. horsfieldii. 

 N. jonquiUa var. rugulosus: Essentially the same as in AT. 



horsfieldii. 

 N. jonquiUa var. campernelli rugulosus: Essentially the 



same as in A'^. horsfieldii. 

 N. tazetla var. orienlalis: Essentially the same as in A'^. 

 horsjieldii. 



Degree of Polarization. 



N. horsfieldii: High, very variable. 



N. maximxis: High, very variable, the same as in N. 

 horsfieldii. 



N. bxdbocodium: High, variable, not so high as in A''. 

 horsfieldii. 



iV. bulbocodium var. conspicua: High, not very variable 

 and slightly less than in N. horsfieldii. 



N. bulbocodium var. monophyllus: High, variable, not 

 quite so high as in N. horsfieldii. 



N. incomparabilis: High, very variable, not so high as 

 in A'', horsfieldii. 



N. odorus: High, less variable and not so high as in 

 N. horsjieldii. 



N. poeticus: High, variable, not so high as in Af./iors/ieWii. 



N. biflorus: High, very variable, the same as in A^. hors- 

 fieldii. 



N. jonquiUa: High, very variable, not so high as in N. 

 horsfieldii. 



N. jonquiUa var. rugulosus: High, somewhat variable, 

 dightly higher than in A'^. horsfieldii. 



N. jonquiUa var. campernelli rugulosus: High, very va- 

 riable, not so high as in N. horsfieldii. 



N. tazetla var. orienlalis: High, very variable, slightly 

 lower than in N. horsfieldii. 



PoLABiscopic Properties. — Continued. 

 Polarization with Selenite — Quadrants and Colors. 



N. horsfieldii: Quadrants usually not well defined, irreg- 

 ular in shape and unequal in size. Colors some- 

 times pure. 



N.. maximus: Quadrants the same as in N. horsfieldii. 

 Colors sometimes pure. 



N. bulbocodium: Quadrants usually well defined, irregu- 

 lar in shape and unequal in size. Colors usually 

 very pure. 



N, bulbocodium var. conspicua: Quadrants usually well 

 defined, irregular in shape and unequal in size. 

 Colors usually very pure. 



N. bulbocodium var. monophyUus: Quadrants usually well 

 defined, irregular in shape and unequal in size. 

 Colors usually pure. 



N. incomparabilis: Quadrants usually well defined, irreg- 

 ular in shape and unequal in size. Colors usually 

 pure. 



N. odorus: Quadrants usually poorly defined, irregular in 

 shape and unequal in size. Colors sometimes pure. 



N. poeticus: Quadrants usually not well defined, irreg- 

 ular in shape and unequal in size. Colors some- 

 times pure. 



N. biflorus: Quadrants usually not well defined, irreg- 

 ular in shape and imequal in size. Colors some- 

 times pure. 



A^. jonquiUa: Quadrants usually not well defined, irreg- 

 ular in shape, and unequal in size. Colors some- 

 times pure. 



N. jonquiUa var. rugulosus: Quadrants usually well de- 

 fined, generally irregular in shape and unequal in 

 size. Colors usually pure. 



N. jonquiUa var. campemeUi rugulosus: Quadrants usu- 

 ally not well defined, irregular in shape and un- 

 equal in size. Colors often pure. 



iV. tazetla var. orienlalis: Quadrants usually well defined, 

 irregular in shape and unequal in size. Colors 

 usually not pure. 



Iodine Reactions. 

 Intensity and Color. 



N. horsfieldii: Deep; blue- violet. 



N. maximus: Deep, shghtly deeper than in N. hors- 

 fieldii; blue-violet. 



N. bulbocodium: Deep, sUghtly deeper than in AT. hors- 

 fieldii; blue-violet. 



N. bulbocodium var. conspicua: Deep, slightly deeper 

 than in N. horsfieldii; blue-violet. 



A^. bulbocodium var. monophyllus: Deep, the same as in 

 N. horsfieldii; blue-violet. 



A'', incomparabilis: Deep, the same as in N. horsfiddii; 

 blue-violet. 



N. odorus: Deep, slightly deeper than in N. horsfieldii; 

 blue- violet. 



N. poeticus: Deep, slightly deeper than in N. horsfieldii; 

 blue-violet. 



N. biflorus: Deep, deeper than in N. horsfieldii; blue- violet. 



N. jonquiUa: Deep, the same as in iV. horsfieldii; blue- violet. 



N. jonquiUa var. rugulosus: Deep, slightly deeper than 

 in N. horsfieldii; blue-violet. 



N. jonquiUa var. campernelli rugulosus: Deep, slightly 

 deeper than in N. horsfieldii; blue-violet. 



N. tazetta var. orienlalis: Fairly deep, less than in N. 

 hor.ffieldii; blue-violet. 



Staining Reactions. 



With Gentian Violet. 



N. horsfieldii: Fair. 



iV. maximus: Light, much less than in N. horsfieldii. 

 N. bulbocodium: laght, sUghtly less than in A'', horsfieldii. 

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

 horsfieldii. 



