244 



OHIO BIOLOGICAL SURVEY 



Macleya, 672 

 Magnolia, 603 

 Malaxis, 594 

 Mains, 1055 

 Malva, 817 

 Manlreda, 555 

 Mariscus, 178 

 Marrubium, 1632 

 Marsilea, 46 

 Martynia, 1580 

 Matricaria, 1997 

 Matteuccia, 44 

 Medeola, 509 

 Medicago, 1107 

 iViegalodouta, 1874 

 Meibomia, 1136 

 Melanipyrnm, 1564 

 Malanthium, 494 

 ivxelica, 308 

 Melilotus, 1110 

 Melissa, 1635 

 Menispermnni, 659 

 Mentha, 1652 

 Menyanthes, 1474 

 Mertensia, 1594 

 Merciirialis, 796 

 Mesadenia, 2009 

 Michella, 1758 

 Mieranipelis, 1363 

 Micranthes, 1187 

 Milium, 407 

 Mimulus, 1527 

 Mirabilis, 935 

 Miseauthus, 468 

 Mitella, 1192 

 Moehringia, 892 

 Mollugo, 928 

 Monarda, 1681 

 Monotropa, 1390 

 Morns, 1245 

 Muhlenbergia, 400 

 Musearia, 489 

 Myagrnni, 704 

 Myosotis, 1596 

 IMyriopliyllum, 1354 



Nabalus, 2050 

 Naias, 106 



Napaea, 827 

 Naum]:)ergia, 1378 

 Kelumbo, 109 

 Nemopauthus, 1221 

 Neobeekia, 692 

 Nepeta, 1664 

 Neslia, 690 

 Nicotiana, 1498 

 Nigella, 626 

 Norta, 713 

 ^^othoholcus, 359 

 Nymphaea, 110 

 Nyssa, 1750 



Obolaria, 1472 

 Odostemon, 658 

 Oenothera, 1342 

 Onoelea, 45 

 Onopordou, 2027 

 Onosmodium, 1604 

 Ophioglossum, 1 

 Opulaster, 1035 

 Opiuitia, 1323 

 Origanum, 1644 

 Ornithogalum, 488 

 Orobanche, 1573 

 Oryzopsis, 408 

 Osmiiiida, 8 

 Ostrya, 1279 

 Otophylla, 1560 

 Oxalis, 765 

 Oxycoccus, 1412 

 Oxydendrum, 1401 

 Oxypolis, 1719 



Panax, 1702 

 Panieularia, 315 

 Panicum, 419 

 Papaver, 665 

 Paspalum, 456 

 Parietria, 1261 

 Parnassia, 652 

 Parsonnia, 1199 

 Partlienium, 1883 

 Parthenocissus, 1215 

 Passiflora, 886 

 Pastinaea, 1714 

 Pedicularis, 1562 



