496 



STARCHES OF ULIACEiE. 



Differentiation of Certain Starches of the Genus Lilium. Continued. 



Histological Characteristics.- 

 Size. Coutlnued. 



-Continued. 



L. philadelphicum: From 4 to 50^, commonly 30;u. 



L. tigrinum var. splcndens: From 6 to o4/i, commonly 32/i. 



L. henriji: From 6 to 90/i, commonly 40|i. 



L. auralum: From S to SOm, commonly 42^. 



L. speciosum var. album: p>om 4 to 52m, commonly 34^. 



L. marlagon: From 12 to 60^, commonly 34m. 



L. supcrbum: From 7 to GOm, commonly 34m. 



L. teiiiiifoUiaii: From 4 to 42m, commonly 32m. 



L. pardaUiium: From 10 to SOm, commonly 44m. 



L. pubendum: From 10 to 76m, commonly 44m. 



PoLARiscopic Properties. 



Figure. 



L. candidum: Very eccentric, distinct, not clear-cut; lines 



often bisected or further divided, bent, intersect at 



varjang angles, vary in width. 

 L. longiflorum var. giganleum: Same as in L. candidum, 



but not so often bent. 

 L. longiflorum var. eximium: Same as in L. candid%im,. 

 L. parryi: Same as in L. candidum, but the lines more 



often bisected or further divided. 

 L. rubellum: Same as in L. candidum. 

 L. philadelphicum: Same as in L. candidum, but more apt 



to be clear-cut. 

 L. tigrinum var. splcndens: Same as in L. catididum, but 



the lines not usually bisected. 

 L. henryi: Same as in L. candidum, but less clear-cut. 

 L. auralum: Same as in L. candidum. 

 L. speciosum var. album: Same as in L. candidum, but not 



so much bent. 

 L. marlagon: Same as in L. candidum. 

 L. superbu7n: Same as in L. candidum. 

 L. tenuifolium: Same as in L. candidum, but not so often 



bisected. 

 L. pardalinum: Same as in L. candidum. 

 L. pubendum: Same as in L. candidum. 



Degree of Polarizalion. 



L. candidum: High. 



L. longiflorum var. giganleum: Fairly high, not so high as 

 in L. candidum. 



L. longiflorum var. eximium: High, somewhat variable, 

 less than in L. candidum.. 



L. parryi: High, varies somewhat, sUghtly less than in L. 

 candidum. 



L. rubellum: High, varies somewhat, less than in L. can- 

 didum. 



L. philadelphicum: High, varies somewhat, less than in L. 

 candidum. 



L. tigrinum var. splcndens: High to fairly high, less than 

 in L. candidum. 



L. henryi: High, varies somewhat, higher than in L. can- 

 didum. 



L. auralum: High, sUghtly less than in L. candidum. 



L. specioswn var. album: High, slightly less than in L. 

 candidum. 



L. marlagon: Fairly high, less than in L. candidum. 



L. supcrbum: Fairly high, variable, less than in L candidum. 



L. tenuifolium: Fairly high, somewhat variable, less than 

 in L. candidum. 



L. pardalinum: Fairly high to high, less than in L. candi- 

 dum. 



L. pubcrulum: Fairly high to high, less than in L. candidum . 



Polarizalion mlh Sclenite Quadrants and Colors. 



L. candidum: Quadrants not sharply tlefined, somewhat 

 irregular in shape, and imequal in size. Colors 

 usually not pure. 



L. longiflorum var. giganleum: Quadrants fairly well de- 

 fined, as a rule regular in shape, unequal in size. 

 Colors pure or fairly pure. 



PoLARiscoPic Properties. Continued. 

 Polarization with Selenite Quadrants and Colors. Cont'd. 



L. longiflorum var. eximium: Quadrants the same as in L. 



candidum, exceiJt more regular. Colors not very 



pure. 

 L. parryi: Quadrants the same as in L. catididum, except 



more irregular. Colors usually not pure. 

 L. rubellum: Quadrants the same as in L. candidum, except 



more irregular. Colors usually not pure. 

 L. philadelphicum: (Juadrants the same as in L. candidum, 



except more irregular and better defined. Colors 



usually not pure. 

 L. tigrinum var. splcndens: Quadrants the same as in L. 



candidum. Colors usually not pure. 

 L. henryi: Quadrants the same as in L. caiulidum, except 



more irregular. Colors not pure. 

 L. auralum: Quadrants the same as in L. candidum, except 



more often irregular. Colors not pure. 

 L. speciosum var. album: Quadrants the same as in L. can- 



didutn, except more regular. Colors fairly pure. 

 L. marlagon: Quadrants the same as in L. candidum, ex- 

 cept better defined and more irregular. Colors 



usually not pure. 

 L. superbum: Quadrants the same as in L. candidum. 



Colors usually not pure. 

 L. tenuifolium: Quadrants the same as in L. candidum. 



Colors not pure. 

 //. pardalinum: Quadrants the same as in L. candidum, 



but more irregular. Colors usually not pure. 

 L. pubcrulum: Quadrants the same as in L. candidum, but 



more irregular. Colors usually not pure. 



Iodine Reactions. 



Intensity and Color. 



L. candidum: Deep; violet-blue. 



L. longiflorum var. giganleum: Deep, slightly less than in 

 L. candidum; blue-violet. 



L. longiflorum var. eximium: Deep, shghtly less than in 

 L. candidum; blue-violet. 



L. parryi: Deep, less than in L. catididum; blue-violet. 



L. rubellum: Deep, less than in L. candidum: blue-\'iolet. 



L. philmlelphicum: Fairly deep, much less than in L. can- 

 didum; blue-violet. 



L. ligrin um var. splcndens: Deep, deeper than in L. can- 

 didum; blue-violet. 



L. henryi: Deep, slightly less than in L. candidum; blue- 

 violet. 



L. auralum: Deep, slightly less than in L. candidum; blue- 

 violet. 



L. speciosum var. album: Deep, deeper than in L. candi- 

 dum; blue-violet. 



L. marlagon: Deep, slightly less th.in in L. candidum; 

 blue-violet. 



L. superbutn: Deep, deeper than in L. candidum: blue- 

 violet. 



L. tenuifolium: Deep, same asin L. candidum; blue-violet. 



L. pardalinum: Deep, less than in L. candidum; blue- 

 violet. 



L. pubcrulum: Deep, same as in L. candubim, blue-violet. 



Staining Reactions. 

 With Gentian Violet. 



L. candidum: Light. 



L. longiflorum var. giganleum: Light, same as in L. candi- 

 dum. 



L. longiflorum var. eximium: Light, the same as in L. can- 

 didum. 



L. parryi: Fair, more than in L. candidum. 



L. rubellum: Very light, less than in L. candidum. 



L. philintelphicum: Fair, more than in L. candidum. 



L. tigrinum var. splcndens: Fair, more than in />. candi- 

 dum. 



