244 



OHIO BIOLOGICAL SXJKVEY 



Macleya, 672 

 Magnolia, 603 

 Malaxis, 594 

 Malus, 1055 

 Malva, 817 

 Manfreda, 555 

 Mariscus, 178 

 Marrubium, 1632 

 Marsilea, 46 

 Martynia, 1580 

 Matricaria, 1997 

 Matteueeia, 44 

 Medeola, 509 

 Medicago, 1107 

 iviegalodonta, 1874 

 Meibomia, 1136 

 Melampyrum, 1564 

 Malanthium, 494 

 ivjLelica, 308 

 Melilotus, 1110 

 Melissa, 1635 

 Menispermum, 659 

 Mentha, 1652 

 Menyanthes, 1474 

 Mertensia, 1594 

 Merciirialis, 796 

 Mesadenia, 2009 

 Miehella, 1758 

 Micrampelis, 1363 

 Mieranthes, 1187 

 Milium, 407 

 Mimulus, 1527 

 Mirabilis, 935 

 Miseanthus, 468 

 Mitella, 1192 

 Moehringia, 892 

 Mollugo, 928 

 Monarda, 1681 

 Monotropa, 1390 

 Morus, 1245 

 Muhlenbergia, 400 

 Muscaria, 489 

 Myagrum, 704 

 Myosotis, 1596 

 Myriophyllum, 1354 



Nabalus, 2050 

 Naias, 106 



Napaea, 827 

 Naumbergia, 1378 

 Nelumbo, 109 

 Nemopanthus, 1221 

 Neobeckia, 692 

 Nepeta, 1664 

 Neslia, 690 

 Nicotiana, 1498 

 Nigella, 626 

 Norta, 713 

 ^iotholiolcus, 359 

 Nymphaea, 110 

 Nyssa, 1750 



Obolaria, 1472 

 Odostemon, 658 

 Oenothera, 1342 

 Onoclea, 45 

 Onopordon, 2027 

 Onosmodium, 1604 

 Ophioglossum, 1 

 Opulaster, 1035 

 Opuntia, 1323 

 Origanum, 1644 

 Ornithogalum, 488 

 Orobanche, 1573 

 Oryzopsis, 408 

 Osmuuda, 8 

 Ostrya, 1279 

 Otophylla, 1560 

 Oxalis, 765 

 Oxycoccus, 1412 

 Oxydendrum, 1401 

 Oxypolis, 1719 



Panax, 1702 

 Panicularia, 315 

 Panicum, 419 

 Papaver, 665 

 Paspalum, 456 

 Parietria, 1261 

 Parnassia, 652 

 Parsonuia, 1199 

 Parthenium, 1883 

 Parthenoeissus, 1215 

 Passiflora, 886 

 Pastinaca, 1714 

 Pedicularis, 1562 



