GENUS NARCISSUS. 



681 



Differentiation of Certain Starches of the Genus Narcissus. Continued. 



HiBTOLOQiCAL Characteri3tic8. Continued. 

 LameUcB General Characleristics and Number. Cont'd. 



N. jonquilla var. campernelli rugulosus: Usually invis- 

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

 ber not determined. 



N. tazetta var. orienialis: Usually invisible, coarse, regu- 

 lar, continuous rings. Number not determined. 



Size. 

 N. hoTsfiddii: From 3 to 48n, usually 32m. 

 AT. maximus: From 4 to 42m, usually 26m. 

 N. bulbocodium: From 5 to 54m, usually 32m. 

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



24m. 

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



22m. 

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

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

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

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

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

 N. jonquilla var. rugulosus: From 4 to 50m, usually 2Sm. 

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



usually 24m. 

 jV. lazetta var. orienialis: 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. horsfieldii. 



N. bulbocodium var. monophyllus: Essentially the same 

 as in N. horsfieldii. 



N. incomparabilis: Essentially the same as in A'', hors- 

 fieldii. 



N. odorus: Essentially the same as in AT. horsfieldii. 



N. poeticus: Essentially the same as in A'', horsfieldii. 



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



N. jonquilla: Essentially the same as in A'', horsfieldii. 



N. jonquilla var. rugidosus: Essentially the same as in AT. 

 horsfieldii. 



N. jonquilla var. campernelli rugulosus: Essentially the 

 same as in A^. horsfieldii. 



N. tazetta var. orienialis: Essentially the same as in A'^. 

 horsfieldii. 



Degree of Polarization. 



N. horsfieldii: High, very variable. 



A'', maximus: High, very variable, the same as in N. 



horsfieldii. 

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



horsfieldii. 

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



and slightly less than in A'', 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 N. horsfieldii. 

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



N. horsfieldii. 

 N. poeticus: High, variable, not so high as in A^ . horsfieldii. 

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



fiddii. 

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



horsfieldii. 

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



slightly higher than in A'^. horsfieldii. 

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

 riable, not so high as in N. horsfieldii. 

 N. lazetta var. orienialis: High, very variable, slightly 



lower than in A^. horsjieldii. 



PoijARiscopic Properties. Continued. 

 Polarization uxith 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 AT. horsfiddii. 

 Colors sometimes pure. 



N. bulbocodium: Quadrants usually well defined, irregu- 

 lar in shape and unequal in size. Colors usually 

 very pure. 



A'', bulbocodium var. conspicua: Quadrants usually well 

 defined, irregular in shape and unequal in size. 

 Colors usually very pure. 



N. bulbocodium var. monophyllus: 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 unequal in size. Colors some- 

 times pure. 



A', jonquilla: Quadrants usually not well defined, irreg- 

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

 times pure. 



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

 fined, generally irregular in shape and unequal in 

 size. Colors usually pure. 



AT. jonquilla var. campernelli rugulosus: Quadrants usu- 

 ally not well defined, irregular in shape and un- 

 equal in size. Colors often pure. 



A'', lazetta var. orienialis: 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, slightly deeper than in A'^. hors- 

 fieldii; blue-violet. 



N. bulbocodium: Deep, slightly deeper than in N. hors- 

 fieldii; blue-violet. 



A'', bulbocodium var. conspicua: Deep, slightly deeper 

 than in N. horsfieldii; blue-violet. 



N. bulbocodium var. monophyllus: Deep, the same as in 

 N. horsfieldii; blue-violet. 



A'^. incomparabilis: Deep, the same as in A'', horsfieldii; 

 blue- violet. 



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

 blue- violet. 



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

 blue- violet. 



N. bijlorus: Deep, deeper than in A^. horsfieldii; blue- violet. 



N. jonquilla: Deep, the same as in A'^. horsfieldii; blue- violet. 



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

 in N. horsfieldii; blue-violet. 



N. jonquilla var. campernelli rugulosus: Deep, slightly 

 deeper than in N. horsfieldii; blue-violet. 



N. iazelta var. orienialis: Fairly deep, less than in N. 

 horsjieldii; blue-violet. 



Staining Reactions. 



With Gentian Violet. 



N. horsfieldii: Fair. 



A^. maximum: Light, much less than in A^. horsfieldii. 

 N. bulbocodium: Mght, slightly less than in A'', horsfieldii. 

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

 horsjieldii. 



