INDEX, 
Kitaibelia, 540. 
Klugia, 598. 
Knight's experiments on the 
influence of gravitation, 
853. 
Labellum, 567, 913 (Figs. 
394, 492). 
Labiatae, 548, 579, 585, 613, 
633, 648, 658. 
Labiatiflorse, 658. 
Labium, 475 (Fig. 334). 
Laburnum, 613. 
Lamina of Leaf, 212, 640. 
Laminariese, 283. 
Lamium, 549, 578, 640 (Fig. 
373)- 
Larix, 509, 511. 
Lateral budding, 169 (Figs. 
128-132). 
Lateral plane, 600. 
Lateral roots, 166 (Fig. 125). 
Lateral shoots, 173. 
Lathraea, 50, 648. 
Laticiferous cells, 85, 961 
(Figs. 69, 71). 
Laticiferous vessels, 86, 705, 
712, 948 (Fi^. 72). 
Latticed cells, 89, 
Lauraceae, 643. 
Laurineae, 657. 
Leaf, 150, 153, 157, 187. 
Leaf, development ot, in 
Ferns, 430. 
Leaf-bearing axes, 153. 
Leaf-blade, 212, 640. 
Leaf-branching, 182. 
Leaf-forms, 211. 
Leaf-sheath, 396. 
Leaf-spines, 215. 
Leaf-stalk, 212, 640. 
Leaf-tendrils, 214, 865. 
Leaf-trace, 155, 496. 
Leaf-veins, 213. 
Leaflet, 212. 
Legume, 615. 
Legumin, 719. 
Leguminosae, 633, 718. 
Lejolisia, 181, 291 (Fig. 190). 
Lemaneaceae, 289. 
Lemna, 164, 621, 626, 628. 
Lemnaceae, 630. 
Lempholemma, 328. 
Lentibulariaceae, 659. 
Lenticels, 108. 
Lepidium, 604. 
Lepidodendron, 484. 
Lepidostrobus, 485. 
Leptogium, 328 (Fig. 2 [5). 
Leptosporangiata, 388. 
Lessonia, 283. 
Leucin, 718. 
Leucojum, 628. 
Levisticum, 183 (Fig. 140). 
Leycesteria, 642 (Fig. 440). 
Libocedrus, 509. 
Libriform Fibres, 35, 118 
(Fig. 97). 
Lichens, 231, 241, 318. 
Lichina, 328. 
Lichnoerythrine, 766. 
Lichnoxanthine, 766. 
Light- 
action of, 737. 
chemical action of, 743. 
mechanical action of, 
749j 832. 
Lignification of the cell-wall, 
20, 34, 705. 
Ligulatae, 392, 461, 468. 
Ligule, 212, 392, 475, 539, 
624 (Figs. 361, 425). 
Liliaceae, 584, 602, 606, 628, 
632 (Fig. 406). 
Liliiflorse, 625, 632. 
Lilium, 223, 623. 
Limnanthaceae, 660. 
Linaceae, 660. 
Linaria, 640. 
Lingula, 475 (Fig. 334). 
Linnea, 579. 
Linum, 563. 
Liriodendron, 652. 
Lithium, 695. 
Lithocysts, 84. 
Lithospermum, 598. 
Loasaceae, 659. 
Lobelia, 642 (Fig. 442). 
Lobeliaceae, 86, 613, 658. 
Loculicidal dehiscence, 616. 
Lodicule, 538, 627. 
Loganiaceae, 658. 
Lomentiim, 615. 
Lonicera, 640, 642 (Fig. 
440). 
Loranthaceae, 576, 585, 599, 
662, 959. 
Loranthus, 588. 
Lunularia, 348, 355. 
Lupinus, 52, 718 (Fig. 47). 
Luzula, 577- 
Lychnis, 536, 539 (Fig. 361). 
Lycogala, 262. 
Lycopodiaceae, 184, 385, 392, 
461, 484, 953. 
Lycopodieae, 184, 389, 392, 
460. 
Lycopodineae, 460. 
Lycopodium, 72, 388, 389, 
461, 466, 515 (Figs. 326- 
328). 
Lygodium, 217, 432, 435, 
862. 
Lysimachia, 579, 638. 
Lythrariese, 662. 
Macrocystis, 283. 
Macrosporangium, 453, 459, 
476, 480, 491 (Figs. 319- 
321, 325, 335). 
Macrospore, 31, 386, 389, 
442, 455, 457, 458, 470, 
491, 497 (Figs. 33, 310» 
311, 314, 330, 331, 338). 
Macrozamia, 503. 
Macrozoogonidia, 281. 
Magnesium, 52, 696, 699. 
Magnolia, 549, 612, 652. 
Magnoliaceae, 600, 608, 641, 
657. 
Mahernia, 579. 
Mahonia,543, 880 (Fig. 362). 
Maianthemum, 606. 
Maize (Figs, i^bis, 41, 50, 
58, 92, 117, 122-124). 
Malachium, 563. 
Malaxis, 622. 
Male Prothallium, 442. 
Male reproductive cells, 224, 
897. 
Malope, 540- 
Malpighiaceae, 660. 
Malvaceae, 661. 
Manglesia, 547 (Fig. 370). 
Manubrium, 298 (Fig. 198). 
Marattia, 64, 93, 416. 
Marattiaceaj, 391, 416, 882. 
Marchantia, 23, 78, 348, 350, 
356, 962 (Figs. 18, 65, 89, 
233-236,241-243). 
Marchantia, stomata of, 75, 
106,948 (Figs.65, 89, 233j. 
Marchantieae, 343, 352, 355. 
Marcgraviaceae, 660. 
Marsilia, 162, 184, 443, 446, 
447, 451, 456, 459, 882 
(Figs. 120, 121, 142, 310, 
314, 315, 317, 321, 325)- 
Marsiliaceae, 391, 460. 
Mazus, 648. 
Mechanics of growth, 773. 
Mechanism of — 
heliotropism, 837. 
geotropism, 853 (Fig. 
482. 
movements, 887. 
Median plane, 188, 600. 
Median wall, 426. 
Medullary rays, 120, 129, 
131, 531, 649 (Fig. 105). 
Medullary sheath, 130, 531, 
650 (Fig. 105). 
Megacarpaea, 605. 
Megaclinium, 881. 
Megalospora, 325. 
Melaleuca, 651. 
Melampsora, 331. 
Melampyrum, 648. 
Melastomaceae, 662. 
Meliaceae, 660. 
Melilotus, 493. 
Melobesia, 65. 
