972 



Kitaibelia, 540. 



Klugia, 598. 



Knight's experiments on the 



influence of gravitation, 



853. 



Labellum, 567, ^13 (Figs. 



394, 492). 

 Labiatae, 548, 579, 585, 613, 



633, 648, 658. 

 Labiatiflorae, 658. 

 Labium, 475 (Fig. 334). 

 Laburnum, 613. 

 Lamina of Leaf, 212, 640. 

 Laminarieae, 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, 94.8 (Fig. 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. 215). 

 Leptosporangiata, 388. 

 Lessonia, 283. 

 Leucin, 718. 

 Leucojum, 628. 

 Levisticum, 183 (Fig. 140). 



INDEX. 



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, 

 749, 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). 

 Liliiflorae, 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, 65.8. 

 Lomentum, 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, 38S, 389, 



461, 466, 515 (Figs. 326- 



328). 

 Lygodmm, 217, 432, 435, 



862. 

 Lysimachia, 579, 638, 

 Lythrarieae, 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, 29S (Fig. 198). 

 Marattia, 64, 93, 416. 

 Marattiaceae, 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, 233). 

 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, S53 (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, 88 r. 

 Megalospora, 325. 

 Melaleuca, 651. 

 Melampsora, 331. 

 Melampyrum, 648. 

 Melastomaceae, 662. 

 Meliaceae, 660. 

 Melilotus, 493. 

 Melobesia, 65. 



