huarmensis, 459 

 Marsh 



-alkali aster, 1622 



-aster, 1622 



-cress, bog-, 976 



-elder, 1637 



-f el wort, 1327 



-fleabane, 1633 



-mallow, 1113 

 salt-, 1117 



-marigold, 915 



-pink, large-, 1315 



-purslane, 1187 



-rosemary, 1295 



-St. John's-wort, 1140 



-skullcap, 1415 

 Marshallia, 1675 



caespitosa, 1675 

 caespitosa, 1677 

 signata, 1677 



tenuifolia, 1677 

 Marsilea, 53, 56 



Fournieri, 56 



macropoda, 55, 56 



mexicana, 55 



mucronata, 55, 56 



tenuifolia, 56 



vestita 



tenuifolia, 56 



uncinata, 56 



vestita, 56 

 Marsileaceae, 53 

 Marty nia louisianica, 1510 

 Martyniaceae, 1508 

 Maruta, 1686 

 Masterwort, 1253 

 Mat-grass, 1405 

 Mat muhly, 248 

 Maximilian sunflower, 



1659 

 Mayaca, 578 



Aubletii, 5, 578 



fluviatilis, 578 



Michauxii, 578 

 Mayacaceae, 578 

 Mayhaw, western-, 1020 

 Mayweed, 1686 

 Meadow 



-barley, 215 



-beauty, 5, 1169 

 common-, 1172 



-foxtail, 236 

 Meadow-rue, 957 



purple-, 958 

 Meadow spikemoss, 41 

 Meadow violet, 1154 

 Mecardonia, 1464 



acuminata, 1464 



montevidensis, 1464 



peduncularis, 1464 



procumbens, 1464 



vandellioides, 1464 



viridis, 1464 

 Medicago. 1046 



lupulina, 1046 



sativa, 1046 

 Medick, 1046 



black-, 1046 

 Melanthium, 655 



virginicum, 655 

 Melastoma family, 1169 

 Melastomataceae, 1169 

 Melilotus, 1046 



albus, 1046 



indicus, 1047 



officinalis, 1047 

 Melochia, 1127 



corchorifolia, 1127 



pyramidata, 1127 

 pyramidata, 1127 

 Meloncito, 1570 

 Melonette, 1570 

 Melasma 



cubense, 1411 



laevigatum, 1412 

 Melothria, 1570 



chlorocarpa, 1570 



pendula, 1570 



chlorocarpa, 1570 

 Mentha, 1437, 1443 



arvensis, 1443 

 glabrata, 1443 

 villosa, 1443 



canadensis, 1443 



Penardii, 1443 



piperita, 1446 



rotundifolia, 1443 



spicata, 1446 

 Menyanthaceae, 1312, 



1331 

 Mermaid-weed, 1201 

 Merremia, 1354 



dissecta, 1359 

 Mertensia, 1391 



ciliata, 1392 



franciscana, 1391 

 Mesa dropseed, 252 

 Metasequoia, 79 

 Mexican 



-ash, 1305 



-devil-weed, 1618 



-elder, 1560 



-fire-bush, 845 



-tea, 854 



-thistle, 1257 

 Micranthemum, 1487 



umbrosum, 1487 

 Micranthes 



arguta, 1005 



rhomboidea, 1005 



texana, 1001 

 Micromeria, 1448 



Brownei 



pilosiuscula, 1448 



pilosiuscula, 1449 

 Microsteris, 1375 



gracilis, 1375 



micrantha, 1375 

 Mikania, 1599 



scandens, 1599 

 pubescens, 1601 

 Milfoil, 3, 1686 



American-, 1205 



water-, 1202 

 Milk-vetch, 1061 

 Milkweed, 1339 



family, 1339 



purple-, 1341 



showy-, 1340 



swamp-, 1345 

 Milkwort, 5, 1074 



family, 1074 



sea-, 1288 

 Millet, 332 



Japanese-, 329 



pearl-, 334 

 Mimosa, 1041 



malacophylla, 1042 

 glabrata, 1042 



strigillosa, 1042 



Wootonii, 1042 

 Mimosaceae, 1039 

 Mimosopsis, 1042 

 Mimulus, 1368, 1473 



alatus, 1474 



Cardinalis, 1474 

 verbenaceus, 1477 



dentilobus, 1480 



Eastwoodiae, 1480 



floribundus, 1477 



glabratus, 1483 

 Fremontii, 1483 



guttatus, 1483 

 puberulus, 1483 



nasutus, 1483 



pilosus, 1480 



primuloides, 1477 



ringens, 1474 



rubellus, 1477 

 Mina, 1354 

 Miner's lettuce, 881 

 Mint, 1443 



family, 1407 



field-, 1443 



mountain-, 1446 



roundleaf-, 1443 

 Missouri grape, 1110 

 Mist-flower, 1603 

 Mitchella, 1551 



1760 



