70 



-Marsh Marigold 30 



Speedwell 55 



St. John's-wort43 



Mat Grass 11 



Matrimony Vine 54 



May Apple 30 



Mayflower 49 



May-weed 02 



Meadow Fescue 11 



Foxtail 9 



Grass 10 



Parsnip 46 



Rue 29 



M eado w-s weet 34 



."Medeola 18 



Medic 31 



Medicago 38 



.Medick 38 



Melampyrum 56 



Melilotus ii, 38 



Melissa 53 



Menispermum 30 



3Ientha 54 



Menyanthes 50 



Mermaid-weed 45 



Mexican Tea 20 



Microstylis 21 



JMikania 59 



Mild Water 



Pepper 25 



Milk Purslane 40 



Milkweed 51 



Milkwort 40 



Mimulus 55 



Mint 54 



Mitchella 57 



Mitella 33 



Miter wort ;^$ 



Mocker Nut 22 

 MockPennyroy'l53 



Mollugo 27 



JVIonarda 53 



Moneses 47 



Moneywort 49 



Monkey Flower 55 



Monotropa 47 



Moonseed 30 



Moon wort 2 



Morning Glory 51 



Morus 24 

 Mossy Stonecrop ss 



Motherwort 53 



Moth Mullein 55 

 -Mountain Fly 



Honeysuckle 58 

 Holly 41 

 Laurel 48 

 Maple 41 

 Mint 54 

 Rice 8 

 Mouse-ear Chick- 

 weed 27 

 Moxie Plum 49 

 Mud Plantain 17 

 Mugwort 63 

 Mulberry 24 

 Mullein 55 

 Muscari ig 

 31usk Mallow 42 

 Mustard 32 

 Myosotis 52 

 Myrica 22 



Myriophyllum 45 



N 



Naiad 



Najas 



Nardus 



Neckweed 



Nemo pan thus 



Nepeta 



Nettle 



New Jersey Tea 42 



Nicandra 54 



Night Flowering 

 Campion 



Nightshade 



Northern Bed- 

 straw 

 Fox Grape 



Norway Spruce 



Nut Rush 



Nymphaea 



Nymphoides 



Nyssa 



O 



Oak 23 



Oakesia 17 



Oat 10 



Grass 10 



Oenothera 45 



Old-witch Grass 7 

 One-flowered 



Cancer-root 56 



Pyrola 47 

 One-seeded Bur 



Cucumber 59 



Onion 17 



Onoclea - 2 



Onopordum 64 



Onosmodium 52 



Ophioglossum 2 



Orange Grass 43 



Hawk weed 05 



Orchard Grass 10 



Orchis 19 



Origanum 54 



Ornithogalum 18 



Orobanche 56 



Orontium 16 



Oryzopsis 8 



Osmorhiza 46 



Osmunda 2 



Ostrich Fern 2 



Ostrya 23 



Oswego Tea 53 



Oxalis 39 



Ox-eye 62 



Daisy 62 



Ox-tongue 64 



Oxybaphus 27 



Pale Corydalis 



Dock 



Laurel 



Touch-me-not 

 Panax 

 Panic Grass 

 Panicum 

 Pansy 

 Paper Birch 

 Pappoose Root 

 Parietaria 

 Parnassia 

 Parsnip 



Partridge Berry 

 Paspalum 

 Pastinaca 

 Pasture Thistle 

 Patience Dock 

 Pearlwort 



Painted Cup 

 Trillium 



18 



Pearly Everlas'g 61 



Pedicularis 56 



Pellaea i 



Pellitory 24 



Peltandra 10 



Penthorum 33 



Pentstemon 55 



Peppergrass 31 



Peppermint 54 



Petasites 63 



Phalaris 8 



Phegopteris 



Phleum 



Phlox 



Phragmites 



Phryma 



Physalis 



Phytolacca 



Picea 



Pickerel Weed 



Picris 



Pigeon Grape 



Grass 

 Pig Nut 

 Pigweed 

 Pilea 

 Pin Oak 

 Pine 



Drops 

 Pinesap 

 Pink 

 Pinus 

 Pinweed 

 Pipewort 

 Pipsissewa 

 Pitch Pine 

 Plantag^o 

 Plantain 

 Plantain-leaved 

 Everlasting 

 Platanus 

 Plum 

 Poa 



Podophyllum 

 Podostemum 

 Pogfonia 

 Poison Hemlock 46 



Ivy 40 



Poke Milkweed 51 

 Pokeweed 26 



Polygala 40 



Polygonatum iS 

 Polygonella 26 



26 

 24 

 23 



48 



s 



47 



5 



57 

 57 



61 



34 

 37 



33 



Polygonum 25 



Polypodium i 



Polypody i 



Polystichum i 



Pondweed 6 



Pontoderia 17 



Poplar 22 



Populus 22 



Portulaca 28 



Potamogeton 6 



Potentilla 35 



Poverty Grass 8 



Prairie Willow 22 



Prenanthes 65 



Prickly Ash 39 



Gooseberry 34 



Lettuce 64 

 P r i mro se-lea ved 



Violet 43 



Prince s jFeather 25 



Pine • 47 



Privet 50 



Proserpinaca 45 



Prunus 27 



Prunella 53 



Psedera 42 



Psilocarya 12 



Ptelea 39 



Pteris I 



Pterospora 48 



Purple Amaranth 26 



Azalea 48 



Flower'g Rasp. 36 



Fringed Orchis 20 



Gerardia 56 



Milkweed 51 



Thorn Apple 54 



Willow 22 



Purslane 28 



Putty Root 21 



Pycnanthemum 54 



Pyrola 47 



Pyrus 34 



Q 



Duaking Grass 10 



Juercus 23 



2uillwort 4 



R 



Rabbit-foot 37 



Radicula 32 



Radish 32 



Ragged Fringed 

 Orchis 20 



Robin 28 



Ragweed 61 



Ram's Head 



Lady's Slip'r 19 

 Ramsted 55 



Ranunculus ii, 29 

 Raphanus 32 



Rattle-box 37 



Rattlesnake Fern 3 

 Grass 11 



Plantain 20 



Rattlesnake-root 65 

 Rattlesn'e-weed 65 



