Mint 98 



Mint Family 95 



Mist Flower 12 1 



Mistletoe, Dwarf 25 



Mistletoe Family 25 



Mitchella 108 



Mitella 51 



Mitrewort, False 51 



Mocker-nut Hickory 21 



Mollugo 31 



Monarda 96 



Moneses 85 



Moneywort 87 



Monkey Flower 104 



Monkey Flower, Yellow 102 



Monbtropa 84 



Moonseed 40 



Moonseed Family 40 



Morning Glory 92 



Morning Glory Family 91 



Morus 24 



Moss Pink 92 



Motherwort 98 



Moth Mullein 101 



Mountain Alder 22 



Mountain Ash 5 2 



Mountain Holly 69 



Mountain Maple 70 



Mountain Mint 98 



Mouse-ear Chickweed 33 



Mouse-ear Cress 47 



Mud Plantain 10 



Mudwort 103 



Mugwort 119 



Muhlenbergia ^6 



Mulberry 24 



Mullein 101 



Mullein Pink 33 



Muscari 14 



Musk Flower 102 



Mustard 43, 44 



Mustard Family 42 



Myosotis 94 



Myrica 20, 21 



Myricaceae 20 



Myriophyllum 79 



Naiad 2 



Naias 2 



Najadaceae 2 



Narrow-leaved Cat-tail 2 



Nelumbo 35 



Nemopanthus ...... ' ............. 69 



Nepeta ......................... 98 



Nettle .......................... 24 



Nettle, Dead .................... 99 



Nettle Family .................. 23 



Nettle, Hedge .................. 99 



Nettle, Hemp ................... 99 



Nettle, Horse ................... 100 



Nicandra ....................... 101 



Nicotiana ....................... 101 



Nigella ......................... 38 



Nightshade ...................... 100 



Nightshade, Enchanter's ......... 78 



Nightshade Family ............. 100 



Ninebark ....................... 53 



Nipplewort ..................... 115 



Nodding Pogonia ............... 18 



Norway Pine ................... i 



Nut Grass ...................... 8 



Nyctaginaceae ................... 31 



Nymphaea .................. ., . . . 35 



Nymphaeaceae .................. 35 



Nymphoides .................... 88 



Nyssa .......................... 83 



22, 23 



12 



6 



78 

 88 



Oak 

 Oakesia 

 Oats .. 

 Oenothera 

 Oleaceae . . . . 1 



Oleaster Family ................. 77 



Olive Family ................... 88 



Onagraceae ..................... 78 



One-flowered Wintergreen ....... 85 



Onion, Wild .................... 13 



Onosmodium .................... 93 



Opuntia ........................ 77 



Orache ................... . ..... 29 



Orchard Grass .................. 6 



Orchidaceae ..................... 15 



Orchis ......................... 17 



Orchis, Crane-fly ................ 16 



Orchis Family .......... ....... . 15 



Orchis, Showy .................. 17 



Ornithogalum ................... 14 



Orobanchaceae .................. 106 



Orobanche ...................... 106 



Orpine Family .................. 48 



Osmorhiza .................. . . . . . 82 



Ostrya ............... . .......... 22 



Oswego Tea .................... 96 



Oxalidaceae ..................... 64 



