Page 



Mole Plant 48 



Mollugo 34 



Monarda 61 



Moneywort 57 



Monkey Flower 63 



Monotropa 56 



Moonseed 2>1 



Moonseed Family 2^1 



Moonwort 13 



Moosewood 52 



Morello Cherry 45 



Morning Glory 59 



Morus 31 



Moss Pink 59 



Mossy Stonecrop 40 



Motherwort 61 



Moth Mullein 62 



Mountain Alder 30 



Mountain Ash 42 



Mountain Holly 49 



Mountain Laurel 56 



Mountain Maple 49 



Mountain Mint 61 



Mountain Rice 17 



Mouse-Ear 72 



Mouse-Ear Chickweed 34 



Mud Plantain 24 



Mugwort 70 



Muhlenbergia 17 



Mulberry 31 



Mullein 62 



Musk Mallow 51 



Musquash Root 54 



Mustard 39,40 



Mustard Family 38 



Myosotis 60 



Myrica 29 



Myricaceae 29 



Myriophyllum 53 



Myrtle 58 



Naiad 15 



Najadaceae 15 



Najas 15 



Nanny Berry 66 



Narrow-Leaved Bur-Reed.. 15 



Neckweed 63 



Nemopanthus 49 



Nepeta 60 



Nettle 31,61 



Nettle Family 31 



New Jersey Tea 50 



Nicandra 62 



Nicotiana 62 



Nigella yj 



Night-Flowering Catchfly... 35 



Nightshade Family 62 



Nightshade 53, 62 



Nimble Will 17 



Ninebark 41 



Page 



Northern Bedstraw 65 



Northern Fox Grape 50 



Northern Manna Grass 19 



Northern Meadow Grass. ... 19 



Northern Panicum 16 



Northern Prickly Ash 48 



Nut Rush 21 



Nyctaginaceae ZZ 



Nymphaea 35 



Nymphaeaceae 35 



Nyssa 56 



Oak 30 



Oakesia 25 



Oak Fern 11 



Oat 18 



Oat Grass 18 



Oenothera 53 



Oldenlandia 65 



Old-Witch Grass 16 



Oleaceae 57 



Olive Family 57 



Onagraceae 53 



One-Flowered Cancer-Root. 64 



One-Seeded Bur-Cucumber. 66 



Onion 25 



Onoclea 12 



Ophioglossum 13 



Ophioglossaceae 13 



Opuntia 52 



Orach 33 



Orange Grass 51 



Orange Hawkweed 72 



Orange-Red Lily . . . '. 26 



Orange-Root Zl 



Orchard Grass 19 



Orchidaceae 27 



Orchis 27 



Orchis Family 27 



Ornithogalum 26 



Orobanchaceae 64 



Orobanche 64 



Orontium 24 



Orpine Family 40 



Oryzopsis 17 



Osier 28 



Osmorhiza 54 



Osmunda 13 



Osmundaceae 13 



Ostrya 30 



Oswego Tea 61 



Oxalis 47 



OXALIDACEAE 47 



Ox-Eye 69 



Ox-Eye Daisy 70 



Ox-Tongue 71 



Oxybaphus ZZ 



Oyster Plant 71 



82 



