496 



STARCHES OP LILIACEiE. 



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



HisTOLOOicAL Chabacteristics. — Continued. 



Size. — Continued . 



L. pkiladelphicum: From 4 to 50^, commonly 30ix. 



L. tigrinum var. splendetis: From 6 to 54/i, commonly 32;i. 



L. henryi: From 6 to 90/i, commonly 40ju. 



L. auratum: From S to 80/i, commonly 42/i. 



L. speciosum var. oi&um; From 4 to 52m, commonly 34^. 



L. martagon: From 12 to 60/i, commonly 34m. 



L. superhum: From 7 to 60m, commonly 34m. 



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



L. pardalinum: From 10 to 80m, commonly •44m. 



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



POLAKISCOPIC PeOPEBTIBS. 



Figure. 



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



often bisected or further divided, bent, intersect at 



varying angles, vary in width. 

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



but not so often bent. 

 L. longiflorum var. eximium: Same as in L. candidum. 

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



often bisected or further divided. 

 L. rubeUum: Same as in L. candidum. 

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



to be clear-cut. 

 L. tigrinum var. splendens: Same as in L. candidum, but 



the lines not usually bisected. 

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

 L. auratum: Same as in L. candidum. 

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



so much bent. 

 L. martagon: Same as in L. candidum. 

 L. superbum: 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. puberulum: Same as in L. candidum. 



Degree of Polarization. 



L. candidum: High. 



L. longiflorum var. giganieum: 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, slightly less than in L. 

 candidum. 



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

 didum. 



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

 candidum. 



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

 in L. candidum. 



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

 didum. 



L. auratum: High, slightly less than in L. candidum. 



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

 candidum. 



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



L. superbum: 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. pvhervlum: Fairly high to high,less than inL.can<2i(2um. 



Polarization with Selenite — Quadrants and Colors. 



L. candidum: Quadrants not sharply defined, somewhat 

 irregular in shape, and unequal in size. Colors 

 usually not pure. 



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

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

 Colors pure or fairly pure. 



PoLABiscopic Properties. — Continued. 

 Polarization with Selenite— Quadrants and Colors. — Cont'd. 



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



candidum, except more regular. Colors not very 



pure. 

 L. parryi: Quadrants the same as in L. candidum, 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: Quadrants the same as in L. candidum, 



except more irregular and better defined. Colors 



ususJly not pure. 

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



candidum. Colors usually not pure. 

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



more irregular. Colors not pure. 

 L. auratum: 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- 

 didum, except more regular. Colors fairly pure. 

 L. martagon: 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. 

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



but more irregular. Colors usually not pure. 

 L. puberulum: 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. giganieum: Deep, slightly less than in 

 L. candidum; blue-violet. 



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

 L. candidum; blue-violet. 



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



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



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

 didum; blue-violet. 



L. tigrinum var. splendens: Deep, deeper than in L. can- 

 didum; blue-violet. 



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

 violet. 



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

 violet. 



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

 dum; blue-violet. 



L. martagon: Deep, slightly less than in L. candidum; 

 blue- violet. 



L. superbum: Deep, deeper than in L. candidum; blue- 

 violet. 



L. tenuifolium: Deep,8a.iaeaam L. candidum; blue-violet. 



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

 violet. 



L. puberulum: Deep, same as in L. candidum; blue-violet. 



Staining Reactions. 

 With Gentian Violet. 



L. candidum: Light. 



L. longiflorum var. giganieum: 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. philadelphicum: Fair, more than in L. candidum. 



L. tigrinum var. spk^idens: Fair, more than in L. candi- 

 dum. 



i 



