90.
Hebenstreitia, 489.
Heberdenia, 418.
Heckeldora, 304.
Heckeria, 161.
Hedera, 400.
Hedychium, 140.
Hedyotis, 533.
Hedypnois, 547.
Hedysarum, 285.
Heeria, 327.
Heinekenia, 260.
Heinsenia, 517.
Heinsia, 529.
Heisteria, 174.
Hekistocarpa, 532.
Heleocharis, 109.
Heleochloa, 95.
Helianthemum, 365.
Helianthemum, 365.
Helianthus, 583.
Helichrysum, 553, 556, 563.
Heliconia, 145.
Helicophyllum, 607.
Helictonema, 332.
Helinus, 345.
Heliophila, 220, pl. 53.
Heliotropium, 463.
Helipterum, 553, 562.
Helleborine, 154.
Helminthia, 546.
Helminthocarpum, 260.
Helophytum, 232.
Helosciadium, 413.
Hemandradenia, 244.
Hemarthria, 85.
Hemerocallis, 134.
Hemicarex, 107.
Hemicarpha, 108.
Hemichlaena, 109.
Hemicrambe, 221.
Hemigraphis, 506.
Hemimeris, 490.
Hemiperis, 152.
Hemizygia, 473.
Hemprichia, 301.
Henonia, 186.
Henophyton, 222.
Henricia, 574.
Heptacyclum, 201.
Heptapleurum, 400.
Heracleum, 408.
Heracleum, 408.
Herderia, 569.
Heritiera, 354.
Hermannia, 356.
Hermas, 402.
Hermbstaedtia, 186.
Herminiera, 269.
Herminium, 153.
Hermodactylus, 144.
Hernandia, 211.
HERNANDIACEAE, 15, 43, 211.
Herniaria, 193.
Herpestis, 494.
Herschelia, 151.
Hertia, 568.
Herya, 331.
Hesperantha, 143.
Hessea, 136.
Hetaeria, 155.
Heterachaena, 547.
Heteractis, 565.
Heteradelphia, 506.
Heteranthera, 123.
Heteranthoecia, 607.
Heterochaenia, 544.
Heterochloa, 87.
Heteroderis, 546.
Heterolepis, 561.
Heteromma, 572.
Heteromorpha, 411.
Heterophragma, 496.
Heteropogon, 87.
Heteropteris, 307.
Heteropyxis, 391.
Heterosicyos, 539.
Heurnia, 455.
Heurniopsis, 454.
Hevea, 314.
Hewittia, 460.
Hexaglottis, 144.
Hexalobus, 205.
Hexastemon, 416.
Heywoodia, 319.
Hibbertia, 358.
Hibiscus, 352.
Hieracium, 547.
Hiernia, 486.
Hierochloë 94, 99.
Hildebrandtia, 459.
Hilleria, 187.
Himantochilus, 514.
Himantoglossum, 152.
Hinterhubera, 219.
Hippeastrum, 136, 138.
Hippia, 566.
Hippion, 432.
Hippobromus, 341.
Hippobromus, 342.
Hippocratea, 332.
HIPPOCRATEACEAE, 30, 36, 332, pl. 83.
Hippocrepis, 260.
Hippomarathrum, 407.
Hiptage, 308.
Hirpicium, 549.
Hirschfeldia, 221.
Hirtella, 243.
Hitzeria, 301.
Hochstetteria, 553.
Hoehnelia, 569.
Hoffmannseggia, 250.
Hohenackeria, 411.
Holalafia, 435.
Holarrhena, 441.
Holcus, 99.
Holmskioldia, 470.
Holmskioldia, 470.
Holocarpa, 518.
Holosteum, 194.
Holothrix, 153.
Holstia, 312, 610.
Holubia, 499.
Homalium, 371.
Homalocenchrus, 80.
Homeria, 144.
Homochaete, 560.
Homochroma, 566.
Homocnemia, 200.
Homopogon, 87.
Honckenya, 350.
Hoodia, 454.
Hoplestigma, 424.
HOPLESTIGMATACEAE, 54, 424.
Hoplophyllum, 570.
Hordeum, 91.
Hornea, 341.
Hornungia, 219.
Hoslundia, 474.
Hounea, 370.
Hua, 355.
Huernia, 455.
Huerniopsis, 454.
Hufelandia, 210.
Hugonia, 292, pl. 70.
Humbertia, 460.
Humblotia, 323.
Humea, 612.
Humiria, 292.
HUMIRIACEAE, 29, 292.
Humulus, 166.
Hunnemannia, 212.
Hunteria, 438.
Hura, 317.
Hussonia, 222.
Hutchinsia, 219, 220, 228.
Huttonaea, 153.
Hyacinthus, 128.
Hyaenanche, 321.
Hyalocalyx, 374.
Hyalocystis, 460.
Hybanthus, 367.
Hybophrynium, 148.
Hydnora, 177.
HYDNORACEAE, 16, 177.
Hydrangea, 234.
Hydranthelium, 494.
Hydrilla, 77.
HYDROCARYACEAE, 397.
Hydrocharis, 78.
HYDROCHARITACEAE, 5, 6, 77, pl. 7.
Hydrocotyle, 402.
Hydrocotyle, 402.
Hydrolea, 462.
Hydropeltis, 197.
Hydrophylax, 521.
HYDROPHYLLACEAE, 59, 462.
Hydrosme, 117, 607.
HYDROSTACHYACEAE, 7, 231, pl. 58.
Hydrostachys, 232, pl. 58.
Hydrotriche, 493.
Hygrocharis, 458.
Hygrophila, 504.
Hygrophila, 504.
Hylodendron, 254.
Hymenaea, 256.
Hymenocallis, 136.
Hymenocardia, 322.
Hymenocarpos, 260.
Hymenocnemis, 524.
Hymenodictyon, 531.
Hymenolepis, 577.
Hymenostegia, 253.
Hyobanche, 484.
Hyophorbe, 113.
Hyoscyamus, 482.
Hyoseris, 547.
Hypaelyptum, 108.
Hypecoum, 212.
Hyperaspis, 472.
HYPERICINEAE, 360.
Hypericophyllum, 584.
Hypericum, 361, 363.
Hyperstelis, 189.
Hyphaene, 111.
Hypobathrum, 528.
Hypocalyptus, 267, 274.
Hypochoeris, 545.
Hypodaphnis, 210.
Hypodematium, 522.
Hypodiscus, 120.
Hypoestes, 511.
Hypolaena, 120.
Hypolytrum, 108.
HYPOXIDEAE, 135.
Hypoxis, 139.
Hyptis, 474.
Hyssopus, 479.

Ianthe, 139.
Iatrorrhiza, 200.
Iberis, 226.
Iboga, 436.
Iboza, 612.
Icacina, 334.
ICACINACEAE, 11, 21, 51, 333, pl. 84.
Icacorea, 418.
Icomum, 474.
Idaneum, 433.
Ifloga, 555.
Ignatia, 429.
Ilex, 329.
ILICINEAE, 329.
ILLECEBRACEAE, 192.
Illecebrum, 193.
Illigera, 211.
Ilysanthes, 493.
Imbricaria, 421.
Imhofia, 137.
Impatiens, 343, pl. 87.
Imperata, 86.
Imperatoria, 409.
Indigofera, 270, 272, 273, 275, 278, 280, 282, 285, 288.
Indigofera, 262.
Indokingia, 401.
Intsia, 255.
Intsia, 255.
Inula, 560.
Iocaste, 580.
Iodes, 333.
Ionidium, 367.
Ionopsidium, 228.
Iphigenia, 128.
Iphiona, 560.
Iphiona, 560.
Ipomoea, 462.
Ipomoea, 461, 462.
Iresine, 183.
IRIDACEAE, 5, 140, pl. 22.
Iris, 145.
Irvingella, 609.
Irvingia, 301, pl. 74.
Irvingia, 301.
Isachne, 82, 98.
Isatis, 222, 226.
Ischaemum, 86.
Ischnolepis, 444.
Ischnurus, 89.
Iseilema, 87.
Ismelia, 565.
Isnardia, 398.
Isoberlinia, 608.
Isochoriste, 510.
Isoglossa, 513.
Isolepis, 110.
Isolobus, 542.
Isolona, 204.
Isonema, 433.
Isothylax, 231.
Isotoma, 542.
Ixanthus, 430.
Ixia, 142.
Ixianthes, 491.
Ixora, 520.

Jacaratia, 377.
Jacquemontia, 461, pl. 131.
Jaeggia, 376.
Jagera, 340.
Jambosa, 392.
Jamesbrittenia, 493.
Jardinea, 85.
Jasione, 543.
JASMINEAE, 425.
Jasminum, 426.
Jasonia, 560.
Jatropha, 316.
Jatrorrhiza, 200.
Jaumea, 584.
Jaundea, 244.
Jollydora, 243.
JUGLANDACEAE, 15, 43, 162.
Juglans, 162.
JUNCACEAE, 3, 124, pl. 17.
JUNCAGINACEAE, 75.
Juncago, 75.
Juncellus, 109.
Juncus, 124.
Juniperus, 71.
Junodia, 319, 608, 611.
Jurinea, 552.
Jussieua, 398, pl. 116.
Justenia, 529.
Justicia, 512, pl. 142.
Justicia, 512, 513.

Kaempfera, 146.
Kalaharia, 470.
Kalanchoë 233, pl. 59.
Kalanchoe, 233.
Kalbfussia, 546.
Kalidium, 180.
Kaliphora, 414.
Kanahia, 450.
Karlea, 343.
Katafa, 609.
Kedrostis, 538.
Keitia, 144.
Kelleronia, 294.
Kentrophyllum, 550.
Kentrosphaera, 186.
Keramanthus, 376.
Keraudrenia, 355.
Kernera, 227.
Kerneria, 581.
Kerstingia, 517.
Kerstingiella, 279.
Khaya, 303.
Kibera, 224.
Kickxia, 435.
Kigelia, 497, pl. 137.
Kigelianthe, 496.
Kigelkeia, 497.
Kiggelaria, 369.
Kirkia, 300.
Kissenia, 377.
Kitchingia, 233.
Klaineanthus, 611.
Klainedoxa, 301.
Klattia, 143.
Kleinhofia, 356.
Kleinia, 576.
Knautia, 535.
Kniphofia, 133.
Knowltonia, 198.
Kochia, 182.
Kochia, 182.
Koeleria, 97, 103, 104.
Koelpinia, 548.
Kolobopetalum, 201, 202.
Kompitsia, 443.
Koniga, 219.
Korthalsella, 175.
Kosteletzkya, 352.
Kotschya, 269.
Kralikia, 90.
Kralikiella, 90.
Kraussia, 527.
Krebsia, 449.
Kremeria, 224.
Krubera, 408.
Kundmannia, 411.
Kyllinga, 109, pl. 9.

LABIATAE, 60, 63, 470, pl. 134.
Lablab, 278.
Labourdonnesia, 421.
Labramia, 421.
Laccodiscus, 340.
Laccosperma, 112.
Lachanodes, 576.
Lachenalia, 127.
Lachnaea, 382, pl. 109.
Lachnocapsa, 218.
Lachnospermum, 553, 563.
Lachnostylis, 320.
Lactuca, 546.
Lafuentea, 488.
Lagarinthus, 451.
Lagarosiphon, 78.
Lagenaria, 539.
Lagenias, 430.
Lagenocarpus, 416.
Lagenophora, 565.
Laggera, 568.
Lagoecia, 403.
Lagoseris, 546.
Lagunaea, 352.
Laguncularia, 389.
Lagurus, 96.
Lamarckia, 95.
Lamellisepalum, 343.
Lamium, 478.
Lamprocaulos, 120.
Lamprothamnus, 517.
Lampsana, 548.
Lanaria, 139.
Landolphia, 436.