SUPPLEMENT. 
Genera and their Authors—continued. 
Isertia, Schreber. 
Tsochilus, R. Brown. 
Tsoloma, Bentham. 
Tsomeris, Nuttall. 
Tsonandra, Wight. 
Tsoplexis, Lindley. 
Isopogon, R. Brown. 
Isopyrum, Linneeus. 
Tsotoma, Lindley. 
Isotropis, Bentham. 
Itea, Linneus. 
Ixanthus, Grisebach. 
Txia, Linnzus. 
Txiolirion, Herbert. 
Ixodia, R. Brown. 
Txora, Linnzeus. 
Jaborosa, Jussieu. 
Jacaranda, Jussieu. 
Jacksonia, R. Brown. 
Jacobinia, Moricand. 
Jacquemontia, Choisy. 
Jacquinia, Linneus. 
Jamesia, Torrey and Gray. 
Jamesonia, Hooker and Greville. 
Jasione, Linneus. 
Jasminum, Linneus. 
Jateorhiza, Miers. 
Jatropha, Linneeus. 
Jeffersonia, Barton. 
Jerdonia, Wight. 
Juanulloa, Ruiz and Pavon. 
Jubea, Humboldt, Bonpland, 
Kunth. 
Juglans, Linneus. 
Juneus, Linneeus. 
Juniperus, Linnzus. 
Jurinea, Cassini. 
Jussiva, Linneus. 
Justicia, Linnzus. 
Kadsura, Kempfer. 
Kempferia, Linnznus. 
Kageneckia, Ruiz and Payon. 
Kalanchoe, Adanson. 
Kalmia, Linnzus. 
Karatas, Adanson. 
Kaulfussia, Blume. 
Kennedya, Ventenat. 
Kentia, Blume. 
Kentiopsis, Brongniart. 
Kentrophyllum, Necker. 
Keramanthus, J. D. Hooker. 
Kerria, De Candolle. 
Kielmeyera, Martius. 
Kingia, R. Brown. 
Kitaibelia, Willdenow. 
Kleinhovia, Linneus. 
Klugia, Schlechtendahl. 
Knightia, R. Brown. 
Kniphofia, Mcench. 
Knowltonia, Salisbury. 
Knoxia, Linnzus. 
Keellikeria, Regel. 
Koélrenteria, Laxmann. 
Keeniga, Brown. 
Kopsia, Blume. 
Korthalsia, Blume. 
Krameria, Linnzus. 
Kreysigia, Reichenbach. 
Kuhnia, Linneus. 
and 
Kunzea, Reichenbach. 
Kydia, Roxburgh. 
Kyllinga, Rottboell. 
Labichea, Gaudichand. 
Labisia, Lindley. 
Lablab, Adanson. 
Laburnum, Grisebach. 
Lacena, Lindley. 
Lachenalia, Jacquin. 
Lachneea, Linnzus. 
Lachnanthes, Elliott. 
Lachnostoma, Humboldt, Bonpland, 
and Kunth. 
Lactueca, Linnzeus. 
Lelia, Lindley. 
Leliopsis, Lindley. 
Lafoénsia, Vandelli. 
Lagascea, Cavanilles. 
Lagenaria, Seringe. 
Lagenophora, Cassini. 
Lagerstrémia, Linnzeus. 
Lagetta, Jussieu. 
Lagunaria, G. Don. 
Lagurus, Linnus. 
Lallemantia, Fischer and Meyer. 
Lamarckia, Moench. 
Lambertia, Smith. 
Lamium, Linneus. 
Lamourouxia, Humboldt, Bonpland, 
and Kunth. 
Lanaria, Aiton. 
Landolphia, Palisot de Beauvois. 
Lankesteria, Lindley. 
Lantana, Linnzus. 
Lapageria, Ruiz and Pavon. 
Lapeyrousia, Pourret. 
Laplacea, Humboldt, Bonpland, and 
Kunth. 
Laportea, Gaudichand. 
Lardizabala, Ruiz and Pavon. 
Larix, Miller. 
Larrea, Cavanilles. 
Lasiopetalum, Smith. 
Lasiospermum, Lagasca. 
Lasthenia, Cassini. 
Latania, Commerson. 
Lathrea, Linneus. 
Lathyrus, Linneus. 
Latua, Philippi, 
Laurelia, Jussieu. 
Laurentia, Necker. 
Laurus, Linneeus. 
Lavandula, Linnzeus. 
Lavatera, Linnzus. 
Lavradia, Vellozo. 
Lawsonia, Linnzus. . 
Laxmannia, R. Brown. 
Layia, Hooker and Arnott. 
Leavenworthia, Torrey. 
Lebeckia, Thunberg. 
Lecythis, Linneus. 
Ledenbergia, Klotzsch. 
Ledum, Linnzus. 
Leea, Linnzus. 
Leianthus, Grisebach. 
Leiochilus, Knowles and Westcott. 
Leiophyllum, Persoon. 
Lemna, Linneeus. 
Lens, Grenier and Godron. 
Leonotis, Persoon. 
Leontice, Linnzus. 
Leontodon, Linnzns. 
Leontopodium, R. Brown. 
Lepanthes, Swartz. 
Lepechinia, Willdenow. 
Lepidagathis, Willdenow. 
Lepidium, Linnzus. 
Leptinella, Cassini. 
Leptodermis, Wallich. 
Leptomeria, R. Brown. 
Leptospermum, Forster. 
Leptosyne, De Candolle. 
Leschenaultia, R. Brown. 
Lespedeza, Michaux. 
Lessertia, De Candolle. 
Leucadendron, R. Brown. 
Leuchtenbergia, Hooker. 
Leucoecarpus, Don. 
Leucocoryne, Lindley. 
Lencoium, Linneus. 
Leucopogon, R. Brown. 
Leucospermum, R. Brown. 
Leucothoé, Don. 
Leuzea, De Candolle. 
Levisticum, Koch. 
Lewisia, Pursh. 
Leycesteria, Wallich. 
Leyssera, Linnaeus. 
Lhotzkya, Schaner. 
Liabum, Adanson. 
Liatris, Schreber. 
Libertia, Sprengel. 
Libocedrus, Endlicher. 
Libonia, C. Koch. 
Licuala, Thunberg. 
Lietzia, Regel and Schmidt. 
Lightfootia, L’ Héritier. 
Ligularia, Cassini. 
Ligusticum, Linneus. 
Ligustrum, Linneus. 
Lilium, Linneus. 
Limnanthemum, §. P. Gmelin. 
Limnanthes, R. Brown. 
Limnocharis, Humboldt, 
and Kunth. 
Limonia, Linnzus. 
Limoniastrum, Mcench. 
Linaria, Jussieu. 
Linconia, Linneus. 
Lindelofia, Lehmann. 
Lindenia, Bentham. 
Lindera, Thunberg. 
Lindheimera, Asa Gray. 
Lindleya, Humboldt, Bonpland, and 
Kunth. 
Lindsaya, Dryander. 
Linnxa, Gronovius. 
Linum, Linneus. 
Liparia, Linnzus. 
Liparis (plants), L. C. Richard. 
Liparis (insects), Ochsenheimer. 
Lippia, Linneeus. 
Liquidambar, Linneeus. 
Liriodendron, Linnaeus. 
Liriope, Loureiro. 
Lisianthus, Aublet. 
Lissanthe, R. Brown. 
Lissochilus, R. Brown. 
Litanthus, Harvey. 
Lithospermum, Linneus. 
Litsea, La Marck. 
Littonia, Hooker. 
Livistona, R. Brown. 
Llavea, Lagasca. 
Bonpland, 
