-bracted habenaria, 711 



-bracted orchid, 711 



-flowered horsemint, 

 1434 



-horned habenaria, 695 



-pedicelled willow, 760 

 Longspur columbine, 918 

 Longtom, 295 

 Lonicera, 1560 



involucrata, 1560 



japonica, 1560 

 Loosestrife, 1158, 1291 



family, 1154 



swamp-. 1157 

 Lophotocarpus calycinus, 



145 

 Lorinseria, 67 



areolata. 67 

 Lotus, 1053 



alamosanus, 1054 



oblongifolius, 1054 



yellow-, 912 

 Louisiana lobelia, 1580 

 Lousewort, 1499 



common-, 1501 

 Love-vine, 962, 1359 

 Lovegrass, 192 



India-, 196 

 Lowland cudweed, 1633 

 Lowland purslane, 879 

 Lucerne, 1046 

 Ludwigia, 4, 5, 9, 868, 

 1175, 1365 



alternifolia, 1184 

 pubescens, 1184 



bonariensis, 1181 



decurrens. 1178 



cylindric-fruited-, 1187 



glandulosa, 1187 

 Torrevi, 1187 



hirtella, 1184 



leptocarpa, 1181 



linearis, 1184 

 puberula, 1 1 84 



natans, 1187 

 rotundata, 1187 



octovalvis 



octovalvis, 1178 



palustris, 1175, 1187 

 americana, 1187 

 nana, 1187 



peploides 



peploides, 1181 



pilosa, 1184 



repens, 1187 



sphaerocarpa, 1187 



uruguayensis, 1181 

 Lupinus, 1045 



Kingsii, 1045 



Luzula, 645 

 bulbosa, 645 

 campestris 



bulbosa, 646 



multiflora, 646 

 multiflora 



bulbosa, 646 

 parviflora, 646 

 Lycopersicon esculentum, 



1449 



Lycopodiaceae, 39 



Lycopodium, 5, 39 



adpressum, 39 



alopecuroides 



adpressum, 39 



alopecuroides, 39 



pinnatum, 39 

 carolinianum, 41 

 prostratum, 39 

 Lycopus, 1362, 1368, 1369, 



1437 

 americanus, 1440 



scabrifolius, 1440 

 asper, 1440 

 lucidus, 1440 

 rubellus, 1440 



arkansanus, 1443 



rubellus, 1443 

 sinuatus, 1440 

 uniflorus, 1437 

 virginicus, 1437 

 Lyonia, 5, 1274 

 ligustrina, 1276 



capreaefolia, Ml 6 



sal ici folia. Mid 

 mariana. 1276 

 palustris, 1349 

 Lyre-leaf sage, 1433 

 Lysichitum americanum, 



563 

 Lysimachia, 1291 

 ciliata, 1292 



validula, 1292 

 hybrida, 1292 

 lanceolata, 1292 



hybrida, 1292 

 radicans, 1292 

 Lythraceae, 1154 

 Lythrum, 9, 1154, 1158 

 alatum, 1161 



hreviflorum, 1161 



lanceolatum , 1161 

 californicum, 1161 

 dacotanum, 1161 

 lanceolatum, 1161 

 lineare, 1158 

 linearifolium , 1161 

 ovalifolium, 1158 

 parvulum, 1161 



Machaeranthera, 1609 



Boltoniae, 1610 



Coulteri, 1610 



phyllocephala, 1610 

 Macuillamia rotundifolia, 



1161 

 Mad-dog skullcap, 1416 

 Madder family, 1538 

 Madia, 1642 



glomerata, 1642 

 Magnolia, 961, 1369 



family, 958 



glauca, 961 



virginiana, 5, 961 

 australis, 961 

 Magnoliaceae, 958 

 Maidencane, 314 

 Maidenhair fern, 63 

 Malaxis, 734 



unifolia, 734 

 Maleberry, 1276 

 Mallow 



alkali-, 1124 



checker-, 1114 



family, 1113 



marsh-, 1113 



prairie-, 1114 



rose-, 1117, 1121 

 Malva, 1113 

 Malvaceae, 1113 

 Manatee-grass, 120 

 Mandioca, 1082 

 Mangle bianco, 1393 

 Mangrove, black-, 1393 

 Mangrove, red-, 1393 

 Manihot, 1082 

 Manisuris, 338 



altissima, 341 



rugosa, 341 

 Manna, 1065 



-grass, 181 



American-, 185 

 fowl-, 183 

 northern-, 183 

 weak-, 185 

 Manzanilla silvestre, 1661 

 Maple, 1104 



ash-leaved-, 1104 



family, 1104 



Florida-, 1105 



red-, 1105 



scarlet-, 1105 



southern sugar-, 1105 

 Marantaceae, 686 

 Mare's-tail, 1208 



family, 1208 

 Marigold, bur-, 1663 

 Marigold, marsh-, 915 

 Marine-ivy, 1112 

 Mariscus, 416 



1759 



