Part 57

Gnaphalium, 569, 573.

Gnetaceæ, 3, 251, 271, 272.

Gneteæ, 252, 270.

Gnetum, 271.

Gnidia, 449.

Gnomonia, 130.

Gnomoniaceæ, 130.

Goat’s-beard, 571.

Godetia, 485.

Godlewskia, 25.

Golden-currant, 455.

Golden-rod, 573.

Golden Saxifrage, 452.

Goldfussia, 530.

Gold-of-pleasure, 401.

Gomontia, 58.

Gomontiaceæ, 47, 58.

Gomphonema, 19.

Gomphonemeæ, 20, 21.

Gomphosphæria, 24.

Gomphrena, 368, 369.

Gonatozygon, 44.

Gongrosira, 54.

Gonidia, 138.

Gonimoblast, 82.

Goniotrichaceæ, 78.

Goniotrichum, 78.

Gonium, 48.

Gonococcus, 39.

Gonolobus, 546.

Goodenia, 564.

Goodeniaceæ, 563.

Gooseberry, 455.

Goosefoot, 369.

Gossypieæ, 427.

Gossypium, 427, 429, 430.

Gouania, 448.

“Gourds,” 481.

Gout-weed, 494.

Gracilaria, 83.

“Grains of Paradise,” 390.

Gramineæ, 277, 283, 287.

Grape-disease, 121.

Graphiola, 110.

Graphis, 140, 142.

Grasses, 287.

Grass-flower, 290, 291.

Grass-fruit, 292.

Grass of Parnassus, 453.

Grass-wrack, 279.

Grateloupiaceæ, 84.

Gratiola, 525, 527.

Green Algæ, 1, 14.

“Greenheart,” 393.

Grevillea, 450.

Griffithsia, 84.

Grimmia, 197.

Grimmiaceæ, 197.

Gronovia, 476.

Ground Ivy, 539.

Groundsel, 153, 572.

Gruinales, 416.

Guaiacum, 438.

Guano, 20.

Guava, 489.

Guava-rum, 490.

Guazuma, 422.

Guelder-rose, 455, 555.

Guepinia, 159.

Guinea-corn, 296.

Guinea Pepper-plant, 521.

Guizotia, 574.

Gulf-weed, 75.

Gum-arabic, 475.

Gum-benzoin, 511.

Gum-tragacanth, 473.

Gum-trees, 490.

Gunnera, 25, 482, 485, 486.

Guttapercha, 511.

Guttiferæ, 414.

Gymnadenia, 332.

Gymnoascaceæ, 119.

Gymnoascales, 95, 116, 118.

Gymnoascus, 119.

Gymnodinium, 17.

Gymnogramme, 214.

Gymnospermæ, 2, 234, 239, 250, 251.

Gymnosperms, 244, 246. Fossil, 271.

Gymnosporangium, 146, 147, 151, 154.

Gymnosporeæ, 82.

Gymnostomum, 196.

Gymnozyga, 42, 44.

Gynandræ, 278, 328.

Gynandropsis, 405, 406.

Gynerium, 294, 296.

Gynœceum, 237.

Gynophore, 367.

Gynostemium, 329.

Gysophila, 368.

Habenaria, 332.

Hablitzia, 370.

Habrothamnus, 522.

Hacquetia, 493.

Hæmanthus, 317, 318.

Hæmatoxylon, 467, 468.

Hæmodoraceæ, 320.

Hæmodorum, 320.

Hagenia, 460.

Hair-grass, 294.

Hakea, 450.

Halesia, 511.

Halianthus, 366.

Halidrys, 73, 75.

Halimeda, 62, 63.

Halimus, 371.

Halophila, 283.

Haloragidaceæ, 482, 485, 486.

Haloragis, 486.

Halymenia, 84.

Hamamelidaceæ, 455.

Hamamelis, 455.

Hamelia, 550.

Hankornia, 544.

Hapalosiphon, 26.

Haplomitrium, 192.

Haplospora, 72.

Haptera, 4, 10.

Hard-fern, 214.

Hare’s-ear, 494.

Hart’s-tongue, 214.

“Harzsticken,” 169.

Haschisch, 358.

Hassalia, 26.

Haustoria, 86.

Hawkbit, 571.

Hawksbeard, 571.

Hawthorn, 465.

Hay-bacillus, 37, 38, 39.

Hazel, 526.

Hazel-nut, 343.

Heal-all, 539.

Heath, 507.

Hebenstretia, 541.

Hechtia, 319.

Hedera, 491.

Hedge-mustard, 402.

Hedge-parsley, 497.

Hedwigia, 197.

Hedycarya, 389.

Hedychium, 326.

Hedyosmum, 363.

Hedysareæ, 472.

Hedysarum, 472, 473.

Helenium, 572.

Heleocharis, 285.

Heliantheæ, 572, 573.

Helianthemum, 412.

Helianthus, 569, 572, 574.

Helichrysum, 573.

Heliconia, 325.

Heliconiæ, 325.

Helicophyllum, 303.

Helicteres, 422.

Heliophilinæ, 404.

Heliotropieæ, 533.

Heliotropium, 533, 535.

Hellebore, 382.

Helleboreæ, 381.

Helleborus, 379, 380, 382.

Helminthocladiaceæ, 83.

Helobieæ, 277, 278.

Helosciadium, 494.

Helosis, 504.

Helotiaceæ, 135.

Helotium, 135.

Helvella, 136.

Helvellaceæ, 136.

Helvellales, 95, 116, 136.

Helwingia, 491.

Hemerocallideæ, 312.

Hemerocallis, 312, 313, 314.

Hemiasci, 95, 108.

Hemibasidii, 95, 108, 109.

Hemichlamydeous, 257.

Hemileia, 155.

Hemlock, 494, 498.

Hemp, 356, 529.

Hemp-agrimony, 571.

Hemp-nettle, 538.

Henbane, 521.

Henriquezia, 549.

Hepaticæ, 2, 188.

Hepialus, 128.

Heracleum, 492, 496.

Herb-Paris, 314.

Heritiera, 422.

Hermannia, 422.

Hermaphrodite, 236.

Herminium, 332.

Hermodactylus, 321.

Hernandia, 392.

Herniaria, 365, 367.

Herpestis, 525.

Herposteiron, 54.

Herpotrichia, 129.

Hesperideæ, 404.

Hesperidinæ, 404.

Hesperis, 400, 402.

Heteranthera, 316.

Heterobasidion, 145, 165.

Heterocysteæ, 24.

Heterocysts, 22.

Heterœcious, 148.

Heteromerous, 138.

Heteropteris, 442.

Heterosphæria, 116, 133.

Heterosphæriaceæ, 133.

Heterosporous Vascular Cryptogams, 200.

Heterotoma, 563.

Heuchera, 452.

Hibiscus, 427, 430.

Hickory, 350.

Hieracium, 571.

Hierochloa, 295, 296.

Higher Fungi, 95, 114.

Hilum, 243.

Himanthalia, 75.

Himantidium, 20.

Hip, 459, 460.

Hippocrateaceæ, 444.

Hippocrepis, 472.

Hippomane, 434.

Hippophaë, 450.

Hippuris, 486.

“Hochblatt,” 235.

Hog’s-fennel, 496.

Holbœllia, 390.

Holcus, 294, 296.

Holly, 444.

Hollyhock, 151, 430.

Holochlamydeous, 256.

Holosteum, 366.

Homalia, 197.

Homalothecium, 197.

Homocysteæ, 24.

Homoiomerous, 138.

Honckenya, 366.

Honesty, 400.

Honey-dew, 126.

Honey-leaves, 379.

Honeysuckle, 553, 554.

Hookeriaceæ, 197.

Hop, 124, 356, 357.

Hopea, 415.

Hordeæ, 295.

Hordeum, 291, 296.

Horehound, 538.

Hormidium, 54.

Hormogonia, 10, 24.

Hornbeam, 157, 343, 344.

Horned Pond-weed, 279.

Horn-nut, 485.

Horn-poppy, 395.

Horn-wort, 388.

Horse-bean, 470, 473.

Horse-chestnut, 440.

Horse-radish, 400, 405.

Horsetails, 2, 204, 221.

Hosta, 312.

Hoteia, 452.

Hottonia, 512.

Hound’s-tongue, 533.

House-leek, 452.

Houttuynia, 359, 362.

Hoya, 546.

Humiriaceæ, 421.

Humulus, 121, 357, 358.

Hura, 432.

Hyacintheæ, 312.

Hyacinthus, 312, 313, 314.

Hyalotheca, 42, 44.

Hydnaceæ, 162.

Hydnophytum, 550, 553.

Hydnora, 504.

Hydnum, 162.

Hydra, 9.

Hydrangea, 455.

Hydrangeaceæ, 455.

Hydrastin, 385.

Hydrastis, 381.

Hydrilla, 283.

Hydrocharis, 282.

Hydrocharitaceæ, 278, 282.

Hydrocleis, 281.

Hydrocotyle, 491, 493.

Hydrocotyleæ, 493.

Hydrodictyaceæ, 47, 51.

Hydrodictyon, 9, 52.

Hydrolea, 515.

Hydrophyllaceæ, 515.

Hydropterideæ, 205, 215, 239.

Hydruraceæ, 16.

Hydrurus, 16.

Hygrophorei, 172.

Hygrophorus, 172.

Hylocomium, 197.

Hymenæa, 468.

Hymenium, 88.

Hymenogaster, 174, 175, 176.

Hymenogastraceæ, 176.

Hymenolichenes, 176.

Hymenomycetes, 96, 145, 159.

Hymenophore, 159.

Hymenophyllaceæ, 206, 210, 215.

Hymenophyllum, 215.

Hyoscyamine, 522.

Hyoscyamus, 518, 519, 520, 521, 522, 523.

Hypecoum, 395, 396.

Hypericaceæ, 413.

Hypericum, 413, 414.

Hypha, 85.

Hyphæ-like threads, 9.

Hyphæne, 298, 301.

Hypholoma, 171.

Hypnaceæ, 197.

Hypnum, 47, 196, 197.

Hypobasal, 186.

Hypochæris, 571.

Hypochnus, 161.

Hypocreaceæ, 125.

Hypocreales, 125.

Hypoderma, 132.

Hypodermaceæ, 132.

Hypomyces, 125.

Hyporhodius, 171.

Hypothecium, 132.

Hypoxideæ, 317.

Hypoxis, 318.

Hypoxylon, 131.

Hypsophyllary leaves, 235.

Hyssop, 540, 541.

Hyssopus, 540, 541.

Hysteriaceæ, 132.

Hysteriales, 95, 116, 132.

Hysterium, 132.

Hysterophyta, 498.

Iberis, 398, 400, 401.

Icacinaceæ, 439.

Iceland-lichen, 142.

Iceland-moss, 143.

Ice-plant, 375.

Icica, 438.

Ignatius-beans, 546.

Ilex, 444.

Illecebrum, 367.

Illicieæ, 389.

Illicium, 389.

Impatiens, 421.

Imperatoria, 496, 498.

Incense, 438.

Indian-corn, 293.

Indian-cress, 420.

Indigo, 470, 473.

Indigofera, 470, 473.

Indusium, 210.

Inflorescence of Palm, 299.

Infusoria, 9.

Inga, 473, 475.

Integuments, 242.

Inula, 569, 573, 574.

Inulin, 574.

Involucre, 189.

Involution-forms, 36.

Ionidium, 410.

Ipecacuanha, 553.

Ipomæa, 515, 517.

Iridaceæ, 277, 310, 320.

Iris, 276, 291, 320, 321.

Irish-moss, 84.

Iron-bacteria, 33.

Iron-wood, 339, 511.

Irpex, 163.

Isactis, 25.

Isaria, 127, 128.

Isatis, 403, 404.

Isnardia, 485.

Isoëtaceæ, 230.

Isoëtes, 200, 202, 204, 228, 230, 245.

Isogamous fertilisation, 11.

Isolepis, 287.

Isonandra, 511.

Isopyrum, 382.

Isosporous Vascular Cryptogams, 200.

Isothecium, 197.

Isotoma, 563.

Ivy, 491.

Ixia, 321.

Ixora, 550.

Jacaranda, 529.

Jack, 356.

Jacquinia, 513.

Jalap, 517.

Jambosa, 488.

Japanese wax, 439.

Jasione, 541, 561, 562.

Jasminaceæ, 541, 542, 547.

Jasmine, 547.

Jasminum, 547.

Jateorhiza, 390.

Jatropha, 431.

Jequirty, 470.

Jerusalem-Artichoke, 572, 574.

Jonquil, 318.

Judas’-ear, 156.

Judas-tree, 468.

Juglandaceæ, 337, 349.

Juglandifloræ, 349.

Juglans, 349, 350.

Juncaceæ, 277, 283, 284, 291.

Juncaginaceæ, 278.

Juncus, 283, 284.

Jungermannia, 191, 192.

Jungermannieæ, 191.

Juniper, 259, 268, 269.

Juniperus, 151, 152, 241, 268, 269.

Jurinea, 570.

Jussiæa, 485.

Justicia, 530.

Jute, 425.

Kalanchoë, 451.

Kale, 403, 405.

Kalmia, 509.

Kæmpferia, 325, 326.

Kamala, 434.

Kaulfussia, 212.

Kefir-grains, 36.

Kelp, 76.

Kerria, 457, 460.

Kidney-bean, 471, 473.

Kielmeyera, 415.

“King Charles and the Oak,” 207.

Kingia, 312.

Kino, 473.

Kitaibelia, 429.

Knap-weed, 570.

Knapwell, 367.

Knautia, 560.

Knot-grass, 359.

Knowltonia, 379.

Kobresia, 287.

Kochia, 371.

Koeleria, 294.

Koelreuteria, 441.

Koenigia, 361.

Kohlrabi, 405.

Krameria, 468.

Kramerieæ, 468.

Koso-tree, 460.

Labellum, 277, 323, 325.

Labiatæ, 515, 532, 535, 536.

Labiate-flowered, 567, 570.

Laburnum, 472, 473.

Labyrinth Fungus, 166.

Lace-tree, 449.

Lacmus, 142.

Lactarius, 171.

Lactoridaceæ, 362.

Lactoris, 362.

Lactuca, 571, 574.

Ladanum, 412.

Ladenbergia, 550, 553.

Ladies-mantle, 460.

Lady-fern, 213.

Lady’s-finger, 471.

Lælia, 332.

Lagenandra, 306.

Lagenaria, 479, 481.

Lagenedium, 104.

Lagerstrœmia, 483.

Lagetta, 449.

Lagœcia, 494.

Laguncularia, 487.

Lagurus, 296.

Lamellæ, 166.

Laminaria, 71.

Laminariaceæ, 71.

Lamium, 536, 538, 540, 541.

Lamprothamnus, 67.

Landolphia, 544.

Langsdorffia, 504.

Lantana, 535.

Lappa, 570, 574.

Lapsana, 570.

Larch, 266, 267.

Larch-canker, 135.

Larch-fungus, 164.

Lardizabalaceæ, 390.

Larix, 266.

Larkspur, 383.

Larrea, 438.

Laserpitium, 497.

Lasiandra, 484.

Latania, 301.

Lathræa, 525, 526, 528.

Lathyrus, 470, 473.

Lattice-rust, 147.

Laudatea, 176.

Lauraceæ, 238, 391, 449.

Laurus, 161, 391, 392, 393.

Lavandula, 536, 540, 541.

Lavatera, 428, 430.

Lavender, 540. Oil of, 541.

Lawsonia, 483.

Leafy-mosses, 183.

Leathesia, 71.

Leaven, 179.

Lecanora, 140, 142.

Lechenaultia, 564.

Lecidea, 142.

Lecythideæ, 489.

Lecythis, 489.

Ledum, 153, 509.

Leea, 445.

Leek, 312.

Leersia, 291, 293.

Leguminosæ, 466.

Legume, 466.

Lejolisia, 81.

Lemanea, 80, 82.

Lemaneaceæ, 82.

Lemna, 25, 47, 307.

Lemnaceæ, 307.

Lemon, 438.

Lentil, 470, 473.

Lentinus, 171.

Leontice, 390.

Leontodon, 568, 571.

Leontopodium, 593.

Leonurus, 538.

Lepidiinæ, 404.

Lepidium, 400, 401.

Lepidocaryinæ, 301.

Lepidodendraceæ, 233.

Lepidozia, 192.

Lepiota, 171.

Leptobryum, 197.

Leptogium, 140, 142.

Leptomitus, 108.

Leptopleura, 387.

Leptopuccinia, 151.

Leptosiphon, 515.

Leptospermeæ, 489.

Leptospermum, 489.

Leptosporangiatæ, 202, 210, 212, 239.

Leptothrix, 26, 33, 35, 38.

Leptotrichum, 196.

Lepturus, 295.

Lescuræa, 197.

Leskea, 197.

Leskeaceæ, 197.

Lessonia, 72.

Lettuce, 571, 574.

Leucobryaceæ, 196.

Leucobryum, 192, 196.

Leucodon, 197.

Leucojum, 317, 318.

Leuconostoc, 28, 29, 35.

Levisticum, 496, 498.

Liagora, 83.

Libanotis, 495.

Libocedrus, 269.

Lichen, 4, 8.

Lichen-forming Ascomycetes, 116, 136. Basidiomycetes, 176.

Lichenin, 142.

Lichina, 142.

Licmophoreæ, 21.

Lignum Vitæ, 438.

Ligularia, 572.

Ligulate-flowered, 567.

Ligule, 283.

Ligulifloræ, 570.

Ligustrum, 547.

Lilac, 547.

Lilæa, 279.

Liliaceæ, 274, 309, 311.

Lilies, 311, 314.

Liliifloræ, 278, 309.

Lilium, 245, 312, 313, 314.

Lily of the Valley, 314.

Lime, 165.

Limnanthaceæ, 421.

Limnanthemum, 543.

Limnanthes, 421.

Limnocharis, 281.

Limodorum, 331.

Limonia, 437.

Limosella, 525.

Linaceæ, 417.

Linaria, 523, 525, 527.

Lindera, 393.

Ling, 507.

Linnæa, 555.

Linnæeæ, 555.

Linociera, 547.

Linseed, 418.

Linum, 417, 418.

Liparis, 332.

Lippia, 535.

Liquidambar, 455.

Liquorice, 470, 473.

Liriodendron, 388.

Listera, 331.

Litchi, 441.

Lithoderma, 71.

Lithodermataceæ, 71.

Lithophyllum, 84.

Lithospermum, 533.

Lithothamnion, 80, 84.

Littorella, 530, 531.

Liverworts, 2, 181, 188.

Livistona, 298, 299, 300, 302.

Lloydia, 312.

Loasaceæ, 476.

Lobelia, 562, 563.

Lobeliaceæ, 335, 562.

Lobeline, 563.

Lochnera, 544.

Locusts, 468.

Lodicules, 288, 291.

Lodoicea, 301.

Loganiaceæ, 542, 546, 549.

Logwood, 468.

Loiseleuria, 509.

Lolium, 295, 296.

Lomandra, 312.

Lomaria, 214.

Lomentaceæ, 403.

Lomentaria, 83.

Lonicera, 553, 554, 556.

Lonicereæ, 549, 553.

Long-pepper, 363.

Loose-strife, 482.

Lopezia, 484, 485.

Lophiostomaceæ, 130.

Lophocolea, 192.

Lophodermium, 132.

Lophospermum, 525.

Loquat, 465.

Loranthaceæ, 501.

Loranthoideæ, 501.

Loranthus, 504.

Loteæ, 471.

Lotus, 471.

Louse-wort, 526.

Love-in-the-mist, 382.

Lucerne, 473, 529.

Lucuma, 511.

Luehea, 424, 425.

Luffa, 481.

Lunaria, 400, 401.

Lung-Lichen, 143.

Lung-wort, 533.

Lunularia, 191.

Lupin, 472.

Lupinus, 472.

Luzula, 283, 284.

Lychnis, 365, 367.

Lychnothamnus, 67.

Lycium, 521.

Lycogala, 6, 8.

Lycoperdaceæ, 174.

Lycoperdon, 174.

Lycopersicum, 521, 522.

Lycopodiaceæ, 202, 226.

Lycopodieæ, 205, 226.

Lycopodinæ, 2, 205, 226, 228, 234, 235, 236, 240.

Lycopodium, 200, 226, 227, 228, 233.

Lycopsis, 534.

Lycopus, 536, 539.

Lygeum, 293.

Lygodium, 215.

Lyme-grass, 296.

Lyngbya, 24.

Lyngbyaceæ, 22, 24.

Lyonia, 508.

Lysimachia, 47, 151, 513.

Lysipoma, 563.

Lythraceæ, 482.

Lythrum, 482, 483.

Maba, 511.

Machærium, 472.

“Mace,” 393.

Macleya, 395.

Maclura, 354, 356.

Macrosporangium, 241, 243.

Macrospore, 200, 242, 243, 245, 246.

Macrocystis, 72.

Macrozamia, 254.

Madder, 552, 553.

Madia, 574.

Madotheca, 192.

Mad-wort, 534.

Maesa, 513.

Magnolia, 389.

Magnoliaceæ, 388.

Magnolieæ, 388.

Mahernia, 422.

Mahogany, 436.

Mahonia, 149, 390.

Maiden-hair, 206, 213.

Maize, 289, 293, 296.

Maize-blight, 113.

Majanthemum, 309, 314.

Malachium, 366.

Malachra, 428.

Malaxis, 332.

Malcolmiinæ, 404.

Male-Fern, 214.

Mallow, 425.

Malope, 429, 430.

Malopeæ, 428.

Malpighiaceæ, 442.

Malpighia, 422.

Malt, 296.

Malus, 152, 463, 464, 465.

Malva, 426, 428, 429, 430.

Malvaceæ, 425.

Malveæ, 428.

Malvaviscus, 428.

Mamme, 355.

Mammea, 414.

Mammillæ, 377.

Mammillaria, 375, 377.

Mammoni, 355.

Mancinil-tree, 432.

Mandragora, 522.

Mandrake, 522.

Manettia, 550.

Mangifera, 439.

Manglesia, 450.

Mango, 439.

Mangold, 369, 372.

Mangosteen, 414.

Mangrove, 486.

Manihot, 431, 434.

Manilla Hemp, 325.

Maniok, 434.

“Manna,” 547.

Manna Ash, 546, 547.

Manna-grass, 296.

Manna-lichen, 142.

Mannit, 72.

Maple, 442.

Maranta, 327.

Marantaceæ, 277, 327.

Marasmiei, 171.

Marasmius, 168, 171.

Marattia, 212.

Marattiaceæ, 209, 210, 212, 236.

Marcgraviaceæ, 415.

Marchantia, 181, 183, 184, 190.

Marchantiaceæ, 190.

Marchantieæ, 190.

Mare’s-tail, 486.

Marigold, 572.

Marjoram, 539, 541.

Marrow, 480.

Marrubium, 538.

Marsilia, 216, 217, 219, 220, 245.

Marsiliaceæ, 210, 218, 239.

Marsh Cinquefoil, 458.

Marsh-marigold, 382.

Martynia, 529.

Masdevallia, 332.

Massariaceæ, 130.

Massulæ, 331.

“Mast,” 347.

Mastic, 439.

Mastigobryum, 192.

Mastigocoleus, 24.

Maté, 445.

Matico, 363.

Matricaria, 572, 574.

Matthiola, 400, 402.

Maurandia, 525.

Mauritia, 301.

Maxillaria, 332.

May, 465.

Mayacaceæ, 308.

Maydeæ, 293.

Meadow-grass, 151, 294, 296.

Meadow Rue, 385.

Meadow-sweet, 457.

Mecca-balsam, 438.

Meconopsis, 395.

Medicago, 471, 473.

Medick, 471, 473.

Medinilla, 484.

Medlar, 465.

Meesea, 197.

Megacarpæa, 400, 401.

Melaleuca, 489.

Melampodium, 572.

Melampsora, 147, 152, 153.

Melampsorella, 147.

Melampyrum, 526.

Melanconidaceæ, 130.

Melandrium, 367.

Melanogaster, 176.

Melanommaceæ, 30.

Melanoselinum, 497.

Melanosinapis, 402.

Melanospora, 125.

Melanoxylon, 468.

Melanthium, 310.

Melastomaceæ, 483.

Meliaceæ, 435.

Melianthaceæ, 440.

Melianthus, 440.

Melica, 287, 290, 294.

Melilotus, 466, 470, 471.

Melinophyl, 18.

Melissa, 540, 541.

Melobesia, 80, 84.

Melocactus, 375, 377.

Melochia, 422.

Melogrammataceæ, 130.

Melon, 481.

Melosira, 19.

Melosireæ, 21.

Menispermaceæ, 390.

Menispermum, 390.

Mentha, 47, 536, 539, 541.

Menthol, 541.

Mentzelia, 476.

Menyantheæ, 542, 543.

Menyanthes, 240, 543, 550.

Menziesia, 509.

Mercurialis, 431, 434.

Mercury, 431.

Merendera, 310.

Mericarp, 492.

Meridieæ, 21.

Merismopedium, 10, 24.

Merismopedium form, 27.

Mertensia, 533.

Merulius, 166.

Mesembrianthemeæ, 375.

Mesembrianthemum, 375.

Mesocarpaceæ, 46.

Mesomycetes, 1, 95, 108.

Mesotænium, 43, 44.

Mespilus, 463, 465.

Metaxenous, 148.

Metrosideros, 489.

Metroxylon, 298, 301.

Metzgeria, 191, 192.

Metzleria, 563.

Meum, 495.

Michauxia, 562.

Miconia, 484.

Micrasterias, 44.

Microcachrys, 255, 260, 261.

Microchæte, 26.

Microchloa, 295.

Micrococcus, 26, 35, 38.

Microcoleus, 22, 24.

Microconidia, 89.

Microcycas, 254.

Microdictyon, 62.

Microglena, 15.

Micropyle, 242.

Microsphæra, 121.

Microspira-comma, 40.

Microspora, 54.

Microsporangia, 237, 240.

Microspore, 200, 214.

Microtea, 372.

Mignonette, 406.

Mikania, 571.

Mildews, 119, 122.

Milfoil, 572.

Milium, 294.

Milk-thistle, 570.

Milk-vetch, 470.

Milk-wort, 443.

Millet, 296.

Mimosa, 473.

Mimosaceæ, 466, 473.

Mimulus, 525, 526, 527.

Mimusops, 511.

Mint, 539.

Mirabilis, 374.

Mistletoe, 501.

Mitella, 452.

Mitromyces, 173.

Mitrula, 136, 159.

Mnium, 197.

Mock Orange-blossom, 455.

Modiola, 427.

Moehringia, 366.

Mohria, 215.

Molinia, 151, 294.

Mollinedia, 389.

Mollisia, 135.

Mollisiaceæ, 135.

Mollugo, 375.

Momordica, 481.

Monacanthus, 333.

Monangic, 243.

Monarda, 540, 541.

Monardeæ, 540.

Money-wort, 513.

Monimia, 389.

Monimiaceæ, 389.

Monkshood, 383.

Monoblepharis, 102, 108.

Monocotyledones, 3, 273, 274, 276.

Monocotyledonous flower, 276.

Monœcious, 236.

Monostroma, 53.

Monotropa, 334, 506, 507.

Monstera, 303, 305, 307.

Montia, 373.

Moonwort, 211.

Moraceæ, 351, 353.

Moræa, 321.

Morchella, 136.

Moreæ, 354.

Morell, 136.

Moricandiinæ, 404.

Morina, 560.

Morinda, 549.

Mortierellaceæ, 100.

Mortierella, 100.

Morus, 351, 354.

Moschatel, 453.

Moss, 182.

“Moss-flower,” 183.

Moss-fruit, 186.

Moss-rose, 460.

Mosses, 1, 2, 181, 188, 192, 234.

Mougeotia, 46.

Moulds, 31, 94, 122.

Mountain-ash, 465.

Mountain-meal, 20.

Mountain-pine, 266.

Mouse-tail, 383.

Mucor, 97, 98, 99.

Mucoraceæ, 96.

“Mucor-yeast,” 97.

Mucro, 257.

Mucuna, 471.

Mud-wort, 525.

Muehlenbeckia, 360.

Mulberry, 353, 356.

Mullein, 523.

Murracytaceæ, 15.

Musa, 324, 325.

Musaceæ, 277, 323.

“Muscardine,” 128.

Muscari, 312, 314.

Musci, 2. frondosi, 188, 192.

Muscineæ, 1, 181.

Museæ, 325.

Mushroom, 159, 166, 168.

Musk-rose, 460.

Mutisieæ, 570.

Myanthus, 333.

Mycelium, 85.

Mycena, 171.

Mycoidea, 8, 54.

Mycoideaceæ, 47, 54.

Mycomycetes, 1, 95, 114.

Mycorhiza, 124, 175, 180, 506.

Mycosiphonales, 95, 104.

Myosotis, 533, 534, 535.

Myosurus, 379, 380, 383, 384.

Myrcia, 488.

Myrica, 350.

Myricaceæ, 337, 350.

Myricaria, 411, 412.

Myriophyllum, 486.

Myriotrichia, 71.

Myriotrichiaceæ, 71.

Myristica, 392, 393.

Myristicaceæ, 393.

Myrmecodia, 550, 553.

Myroxylon, 473.

Myrrh, 438.

Myrrha, 438.

Myrrhis, 495, 498.

Myrsinaceæ, 513.

Myrsine, 513.

Myrtaceæ, 487.

Myrteæ, 488.

Myrtifloræ, 451, 482.

Myrtle, 487, 488.

Myrtus, 488, 489.

Myxamœba, 6.

Myxogasteres, 5.

Myxomycetes, 1, 4, 5.

Myxophyceæ, 22.

Myzodendron, 500, 501.

Naccaria, 83.

Nægelia, 528.

Najadaceæ, 278, 281.

Najas, 281.

Nandina, 390.

Narcissus, 316, 317, 318.

Nardostachys, 557, 558.

Nardus, 291, 295, 558.

Narthecium, 310.

Narthex, 496.

Nasturtium, 400, 402, 420.

Navicula, 19.

Naviculeæ, 20, 21.

Neck-canal-cells, 184.

Neckera, 197.

Neckeraceæ, 197.

Nectandra, 392, 393.

Nectria, 116, 125, 127.

Neea, 374.

Negundo, 441, 442.

Nelumbo, 386.

Nelumboneæ, 386.

Nemalion, 81.

Nemalionales, 82.

Nemastomaceæ, 84.

Nemesia, 525.

Nemophila, 515.

Neomeris, 63.

Neottia, 5, 331.

Neottieæ, 331.

Neovossia, 111.

Nepenthaceæ, 408, 409.

Nepenthes, 409.

Nepeta, 536, 539.

Nepeteæ, 539.

Nephelium, 441.

Nephrolepis, 214.

Nephroselmis, 15.

Nerium, 544.

Nesæa, 483.

Neslia, 403.

Nest-fungi, 176.

Nettle, 351, 352, 353.

Neuradeæ, 457.

Neuwiedia, 329.

Nicandra, 519, 522.

Nicotiana, 520, 522.

Nicotine, 522.

Nidularia, 176.

Nidulariaceæ, 176.

Nierembergia, 521.

Nigella, 379, 380, 382.

Nightshade, 521.

Nigritella, 332.

Nile-lily, 305.

Nipa, 301.

Nipplewort, 570.

Nitella, 65.

Nitelleæ, 67.

Nitraria, 438.

Nitrifying Bacteria, 5.

Nitzchieæ, 21.

Noble Pine, 264.

Noctiluca, 17.

Nodularia, 25.

Nolana, 522.

Nolanaceæ, 518, 522.

Noli-me-tangere, 421.

Nonnea, 533.

Nonsexual reproduction, 10.

Nostoc, 22, 23, 25, 27, 29, 138, 486.

Nostocaceæ, 22, 24, 25.

Nostocopsis, 26.

Nothofagus, 347, 348, 501.

Notorhizæ, 400.

Nucellus, 235, 241, 243, 247.

Nuculiferæ, 505, 515, 531.

Nucumentaceæ, 403.

Nullipora, 84.

Nuphar, 387.

Nutmegs, 393.

Nutritive-tissue, 248.

Nux vomica, 546.

Nyctaginiaceæ, 373.

Nyctalis, 172.

Nyctanthes, 547.

Nycterinia, 525, 526.

Nymphæa, 387, 388.

Nymphæaceæ, 385.

Nymphæeæ, 386.

Oak, 117, 130, 134, 135, 161, 164, 166, 346, 347, 348.

Oat, 113, 151, 292, 294, 296.

Oat-grain, 290.

Oat-grass, 296.

Obdiplostemonous, 336.

Obelidium, 103.

Obligate parasites, 85.

Ochna, 439.

Ochnaceæ, 439.

Ochroma, 427.

Ocimum, 541.

Ocrea, 359.

Odonthalia, 83.

Odontites, 526.

Œdogoniaceæ, 47, 55.

Œdogonium, 10, 11, 55, 56.

Œnanthe, 495, 498.

Œnothera, 484, 485, 486.

Œnotheraceæ, 484.

Oidia, 90.

Oidium, 121, 179.

Oidium forms, 179.

Oil-mould, 99.

Oil-palm, 301.

Olea, 547.

Oleaceæ, 541, 542, 546.

Oleander, 544.

Oligorus, 166.

Olive, 547.

Olive-brown Seaweeds, 68.

Olive Oil, 547.

Olpidiaceæ, 103.

Olpidieæ, 103.

Olpidium, 103.

Olyreæ, 296.

Omphalodes, 533, 534.

Onagraceæ, 484.

Oncidium, 332.

Oncobyrsa, 24.

Onion, 312.

Onobrychis, 472, 473.

Ononis, 471.

Onopordon, 570.

Ooblastema-filaments, 82.

Oocystis, 51.

Oogamous fertilisation, 13.

Oogonium, 13.

Oomycetes, 95, 96, 100.

Oophyte, 181.

Oosphere, 13, 248.

Oospore, 14.

Operculum, 193.

Ophiocytium, 51.

Ophioglossaceæ, 209, 210.

Ophioglossum, 210, 211, 238.

Ophiopogon, 320.

Ophrydeæ, 331.

Ophrys, 332, 333.

Opium-poppy, 395.

Oplismenus, 295.

Opuntia, 375, 377.

Orange, 438.

Orchid, diagram of flower, 329.

Orchidaceæ, 5, 238, 328.

Orchideæ, 277.

Orchids, 151.

Orchis, 276, 331, 332, 333.

Oreobolus, 285.

Oreodoxa, 301.

Organs of attachment, 4.

Origanum, 536, 539, 541.

Ornithogalum, 312, 314.

Ornithopus, 466, 472.

Orobanche, 334, 528, 529.

Orontieæ, 303.

Orontium, 304.

Orris-root, 321.

Orseille, 142.

Orthoploceæ, 400.

Orthospermeæ, 493.

Orthothecium, 197.

Orthotrichum, 197.

Orthotropous, 242, 243.

Oryza, 293.

Oryzeæ, 293.

Oscillaria, 10, 23, 24, 26, 37.

Oscillariaceæ, 24.

Osiers, 152.

Osmunda, 209, 215.

Osmundaceæ, 202, 210, 215.

Ostioles, 73.

Ostropa, 133.

Ostropaceæ, 133.

Ostrya, 345.

Osyris, 500.

Ouratea, 439.

Ouvirandra, 281.

Ovary, 3, 239, 250.

Ovule, 241, 242, 248.

Ovuliferous scale, 256, 257.

Oxalidaceæ, 416.

Oxalis, 416.

Ox-eye, 572.

Oxslip, 513.

Oxybaphus, 374.

Oxycoccus, 509, 510.

Oxyria, 360.

Oyster Mushroom, 171.

Padina, 76.

Pæonia, 379, 381.

Pæonieæ, 381.

Pæpalanthus, 309.

Palaquium, 511.

Palava, 429.

Paleæ, 209.

Pales, 288.

Palisander-wood, 529.

Paliurus, 448.

Palm, 275, 276, 297. Branching of, 298. Inflorescence of, 299.

Palm-oil, 301.

Palm-wax, 301.

Palm-wine, 301.

Palmæ, 297.

Palmella-stage, 15, 16.

Palmyra-palm, 301.

Paludella, 197.

Pampas-grass, 296.

Panama hats, 302.

Panax, 491.

Pancratium, 317.

Pandanaceæ, 302.

Pandanus, 302.

Pandorina, 45, 48.

Paniceæ, 295.

Panicum, 295, 296.

Pansy, 411.

Panus, 171.

Papaveraceæ, 394.

Papaver, 394, 395.

Papaw, 476.

Papayaceæ, 476.

Paper-mulberry tree, 354, 356.

Papilionaceæ, 335, 468.

Pappus, 564, 566.

Papyrus, 287.

Paradise apple, 465.

Paraglobulin, 473.

Paraphyses, 88.

Paraguay tea, 445.

Parasites, 5.