INDEX OF GENERA. 



229 



Iris 97 



Isactis 221 



Isanthus 75 



Iscetes 139 



Itea 32 



Iva 49 



J 



Juglans 87 



Juncus 105, 127 



Jungermania 155 



Juniperus 93 



K 



Kalmia 60 



Kneiffia 173 



Kosteletzkya 19 



Krigia 55 



Kuhnia 45 



Lacnanthes 97 



Lactanus 169 



Lactuca 56, 132 



Laminaria 207 



Lamium 79 



Lampsana 55, 131 



Laportea. 87 



Lappa 55 



Larix 92 



Lathyrus 27,130 



Leatnesia 207 



Lecanora 163 



Lechea 13 



Lecidea 165 



Leersia 116 



Leiophyllum 60 



Lemanea 210 



Lemna 101 



Lentinus 170 



Lenzites 171 



Leocarpus 177 



Leontodon 132 



Leonurus 79, 133 



Leotia 190 



Lepidium 10, 128 



Lepidozia 156 



Lepigonum 16 



Lepiota 168 



Leptochloa 120 



Leptodon 148 



Leptogium 162 



Leptoscyphus 155 



Lepto8troma 1 78 



Lepturus •. 134 



Leskea 149 



Lespedeza 25 



Leucanthemum 52 



Leucobrynm 143 



Leucodon 148 



Leucothot 59 



Liatris 45 



Licea 177 



Ligastrum 62 



Lilium 102 



Limnanthemum 65 



Limnobium 93 



Limnosella 71 



Linnsea 41 



Linaria 70,132 



Lindera 84 



Linum 19,129 



Liparis 96 



Lipocarpha 109 



Lippia 132 



Liquidambar 34 



Linodendron 5 



Listera 95 



Lithospermum 67 



Lobelia 57 



Lolium 122 



Lomentaria 205 



Lonicera 42 



Lophanthus 78 



Lophiola 98 



Lophiostoma 200 



Lophium 196 



Lopbocolea 156 



I.ophodermium 196 



Ludwigia 36 



Lupinus 23,129 



Luzula 105 



Lychnis 15,128 



Lycium 69 



Lycogala 177 



Lycoperdon 176 



Lycopodium 139 



Lycopsis 67 



Lycopus 76 



Lygodium 138 



Lyngbya 209,222 



Lysimachia 61 



Lythrum 35 



M 



Macrosporium 186 



Madotheca 157 



I Magnolia 4 



[ Maiantbemum 102 



Malva 18,129 



Malvastrum 129 



Marasmius 170 



Marchantia 158 



Maruta 52 



Marrubium 78 



Massaria 200 



Mastigobryum 156 



Mastigonema 220 



Matricaria 52, 131 



Medeola 103 



Medicago 24, 139 



Meesia 147 



Melampsora 184 



Melampyrum 73 



Melanconis 198 



Melanconium 181 



Melanthera 131 



Melanthinm 103 



Melilotus 24,129 



Meliola 202 



Melissa 77 



Melobesia 205 



Melogramma 197 



Menispora 188 



Menispermum 5 



Mentha 75 



Menyanthes 65 



Mercurialis 133 



Merismopedia 223 



Mertensia 67 



Merulins 172 



Mesocarpus 215 



Mesotaenium 215 



Metzgeria 158 



Micranthemum 71 



Micrasterias 218 



Microcoleus 222 



1 Microcystis 223 



I Micromitrium 141 



I Micropera 181 



I Microspbaera 190 



Microstylis 96 



Microtliyrium 203 



Mikania 46, 131 



Mimulus 71 



Mitchella 44 



Mitella 33 



Mitrula 190 



Mninm 146 



Mollugo 37 



Monarda 77 



Mougeotia 215 



Monilia 188 



Monotropa 61 



