6i8 



INDEX 



Laborde, 383. 



Laccase, 545 ; influence of manganese on, 

 509. 



Lactartus, laccase in, 510. 



Lactase, 507. 



Lactic acid, production of, 559. 

 - fermentation, 559. 



Lactiferous tubes, 581, 582. 



Ladenburg, 435 ; apparatus for estimation 

 of osmotic pressure, 144. 



Laevulin, 476. 



Laevulose, 474. 



Lafar, 376, 495, 508, 514, 545, 555, 560, 561 ; 

 lactic fermentation by yeast, 559; on 

 rennet, 509 ; theories of fermentation, 

 552. 



Lamarliere, de, 240, 357, 360. 



Lamartina, 406. 



Laminaria, 75, 161. 



Landolt, 351. 



Lange, 9, 10, 435, 484 ; on living vessels, 

 202. 



Langendorff, an automatic potometer, 242. 



Langley, distribution of energy in solar 

 spectrum, 344, Fig. 52. 



Larix, 333. 



Laskovsky, 525, 528, 530,600; production 

 of water during respiration, 529. 



Laspeyres, 244. 



Latex, 581, 582. 



Latex-system, influence of, on ringing ex- 

 periments, 578. 



Lathom, 65. 



Lathraea, 133, 365, 368, 377. 



Lathyrits sylvestrts, root-system of, 153. 



Laticiferous tubes, 581. 



Laurent, 314, 325, 326, 367, 399, 401-9, 

 476, 497, 498, 533, 549 ; concentration 

 of sap necessary for starch-formation, 

 326. 



Lauterborn, staining of living nucleus, 94. 



Law of minimums, 413. 



Lawes, Gilbert and Pugh, 402. 



Laying of crops, 436. 



Lead, occurrence of, 437. 



Leaf, premature fall of, 246 ; removal of ash 

 constituents from, 585. 



Lechartier, 204, 205. 



- et Bellamy, 538, 564 ; on intramolecular 

 respiration, 537. 



Lecithin, 63, 428, 479. 



Leclerc du Sablon, 472, 530, 592, 598-600. 



Lecomte, 258, 574. 



Lecoq, 204. 



Legutnin, 66. 



Leguminosae, 600 ; percentage of amides 

 in, 458 ; of proteids in, 460 ; reserve- 

 materials of seed, 594 ; symbiosis of, 

 with bacteria, 371. 



Lehmann, 97, 118, 219, 437; heat of imbi- 

 bition, 76 ; micellar constitution of 

 crystals, 79, 80 ; molecular structure of 

 colloids. 72. 



Leitgeb, 159, 189-91, 276; on chalk in cell- 

 walls, 133 ; closure of stomata by in- 

 duction shocks, 194 ; -- opening of, in 

 darkness, 194. 



Lew/in, 409 ; regeneration of proteids in 

 darkness, 464; L. minor, 120, 124; 

 absorption of methyl-blue by, 94, 96 ; 

 L. tristilca, 428. 



Lenticels, passage of gases through, 198. 



Lconurus cardiaca, 278. 



Lepel, Von, 392. 



Lepidium, 402. 



Leptomin, 510. 



Leptophrys Kiitzingii, 377. 



Lesage, 323, 557. 



Leucin, 457-9. 



Leufojum, 475. 



Lewith, influence of desiccation on coagula- 

 tion, 85. 



Liborius, 504, 531-3, 540, 547 ; on Clostri- 

 dii/m foetiduni, 558 ; influence of sugar 

 on fermentation, 553. 



Lichens, reciprocal symbiosis in, 370 ; re- 

 serve-materials of, 604. 



Lidforss, 433, 600 ; on bursting of pollen- 

 grains in distilled water, 134 ; increased 

 percentage of sugar at low temperatures, 

 512. 



Lieben, 356. 



Liebenberg, 433. 



Liebig, 1 27, 128, 1 69, 17 1-4, 329. 367, 368, 41 3, 

 430, 526, 553 ; force of imbibition, 75 ; 

 supposed function of organic acids, 356. 



Liebreich, 516. 



Liebscher, 396. 



Lietzmann, 186-8; influence of drying on 

 permeability to gas, 183. 



Life, nature of, 5 ; general characteristics 

 of, 1-3- 



Light, influence of, on bleeding, 264 ; -- on 

 photosynthesis, 340-56, 358-60 ; - - on 

 acidity of issues, 327 ; - - on pigment 

 formation, 496, 497 ; -- on respiration, 

 562 ; - - on secretion of nectar, 285 ; 

 - of different rays of, 353. 



Lignification, 482. 



Ligustriiiii, 578. 



Lilienfeld, 65. 



Li Hum, 218. 



Lind, 173, 3I5- 



Lindau, 370. 



Lindet, 602. 



Linossier, 383, 406. 



Linseed, attachment of seeds of, 478. 



Lintner, 555, 564. 



Lintz, 506. 



Linuin usitatissiinmn, translocation of oil 

 in, 592. 



Linz, 505, 598. 



Lippmahn, 469. 



Lithium, influence of, on growth of barley, 

 416 ; occurrence of, in plants, 429 ; use 

 of, to demonstrate water- current, 219. 



