244 



OHIO BIOLOGICAL SURVEY 



Macleya, 672 

 Magnolia, 603 

 Malaxis, 59-1 

 lUaliis, 1055 

 Malva, 817 

 Mantrecla, 555 

 Marisciis, 178 

 Marrubium, 1632 

 Marsilea, 46 

 Martj'nia, 1580 

 Matricaria, 1997 

 Matteuccia, 44 

 Medeola, 509 

 Medicago, 1107 

 iviegalodonta, 1874 

 Meibomia, 1136 

 Melampyriun, 1564 

 Malauthium, 494 

 ivxeliea, 308 

 Melilotus, 1110 

 Melissa, 1635 

 Menispermiim, 659 

 Mentha, 1652 

 Menyanthes, 1474 

 Mertensia, 1594 

 Mercurialis, 796 

 Mesadenia, 2009 

 Miehella, 1758 

 Mic-ranipelis, 1363 

 Mieranthes, 1187 

 Milium, 407 

 Mimulus, 1527 

 Mirabilis, 935 

 Miseanthus, 468 

 Mitella, 1192 

 Moehringia, 892 

 Mollugo, 928 

 Monarda, 1681 

 Monotropa, 1390 

 Morns, 1245 

 Mnhlenbergia, 400 

 Mnsearia, 489 

 Myagrum, 704 

 Myosotis, 1596 

 Myriophyllum, 1354 



Nabalns, 2050 

 Naias, 106 



Napaea, 827 

 Naumbergia, 1378 

 Nelumbo, 109 

 Nemopauthus, 1221 

 Neobeckia, 692 

 Nepeta, 1664 

 Neslia, 690 

 Nicotiana, 1498 

 Nigella, 626 

 Norta, 713 

 ^4 0thoholcus, 359 

 Nymphaea, 110 

 Nyssa, 1750 



01>olaria, 1472 

 Odostemon, 658 

 Oenothera, 1342 

 Onoclea, 45 

 Onopordon, 2027 

 Onosmodiuni, 1604 

 Ophioglossnni, 1 

 Opulaster, 1035 

 Opuntia, 1323 

 Origanum, 1644 

 Ornithogalum, 488 



Orobanehe, 1573 



Oryzopsis, 408 



Osmunda, 8 



Ostrya, 1279 



Oto]ihylla, 1560 



Oxalis, 765 



Oxyeoeeus, 1412 



Oxydendrum, 1401 



Oxypolis, 1719 



Panax, 1702 



Panieularia, 315 



Panieum, 419 



Papaver, 665 



Paspalum, 456 



Parietria, 1261 



Parnassia, 652 

 Parsonnia, 1199 

 Parthenium, 1883 

 Parthenoeissus, 1215 

 Passiflora, 886 

 Pastinaea, 1714 

 Pedieularis, 1562 



