230 
Motherwort, 
180 
Mountain-Ash,. 
147, 151 
Mouse-ear Chickweed, 
Mulberry, 
130 
196 
Mullein, 
Muscari, 
175,176 
210 
Mushrooms, 
216 
Muskmelon, 
154 
Musquash-root, 
158 
Mustard, 
125 
Myosotis, 
182 
Myrica, 
Myricaceae, 
200 
200 
Naked Broom-Rape, 
174 
Napsea, 
132 
Narcissus, 
213 
Nasturtium, 
125, 136 
Neckweed, 
177 
Nelumbium, 
121 
Nelumbo, 
121 
Nemophila, 
182 
Nepeta, 
179 
Nerium, 
188 
Nesaea, 
152 
Nettle, 
196 
Nettle Family, 
195 
New-Jersey Tea, 
138 
Nicandra, 
186 
Nicotiana, 
186 
Nigella, 
113 
Nightshade, 
185, 186 
Nightshade Family, 
185 
Nuphar, 
121 
Nyctaginaceas, 
191 
Nymphaea, 
120 
Nymphaeaceas, 
120 
160 
Oak, 
Oak Family, 
198 
198 
Oats, 
216 
Ocimum, 
178 
CEnothera, 
153 
Oldenlandia, 
Oleaceae, 
164 
189 
Oleander, 
188 
Olive Family, 
189 
Okra, 
132 
Onagraceae, 
153 
Onion, 
210, 211 
Onosmodium, 
181 
Opuntia, 
153 
Orache, 
Orange, 
192 
134 
Orange Family, 
134 
Orchidaceae, 
215 
Orchis, 
215 
Orchis Family, 
215 
INDEX TO THE 
Origanum, 
179 
Ornithogalum, 
210 
Orontium, 
205 
Orpine, 
156 
Osage-Orange, 
196 
Osmorrhiza, 
159 
Ostrya, 
198 
Oswego Tea 
180 
Oxalis, 
135 
Oxalidaceae, 
135 
Oxybaphus, 
191 
Paeonia, 
113 
Painted-Cup, 
176 
Palmas, 
205 
Palmetto, 
205 
Palm Family, 
205 
Pancratium, 
213 
Pansy, 
127 
Papaver, 
122 
Papaveraceae, 
122 
Papaw, 
118 
Paper-Mulberry, 
196 
Pardanthus, 
214 
Parietaria, 
196 
Parsley, 
159 
Parsley Family, 
. 158 
Parsnip, 
159 
Partridge-berry, 
164, 169 
Partridge-Pea, 
146 
Passi flora, 
155 
Passifloraceae, 
154 
Passion-flower, 
155 
Passion-flower Family, 
154 
Pastinaca, 
159 
Pavia, 
139 
Peach, 
146 
Pea, 
142 
Peanut, 
142 
Pear, 
147 
Pear Family, 
147 
Pearlwort, 
130 
Pecan-Nut, 
197 
Pedicularis, 
176 
Pelargonium, 
135 
Pellitory, 
196 
Peltandra, 
205 
Pennyroyal, 
179 
Penthorum, 
156 
Pentstemon, 
176 
Peony, 
113 
Peperidge-tree, 
160 
Peppergrass, 
125 
Periwinkle, 
188 
Persea, 
194 
Persica, 
146 
Persimmon, 
172 
Petaloideous Division, 
206 
Petilium, 
210 
Petroselinum, 
159 
Petunia, 
186 
Phacelia, 
182 
Phaenogamous Plants, 
97, 105 
Phaseolus, 
142, 145 
Philadelphus, 
157 
Phlox, 
183 
Phryma, 
177 
Physalis, 
186 
Physostegia, 
179 
Phytolacca, 
191 
Phytolaccaceae, 
191 
Pickerel-weed, 
208 
Pickerel-weed Family, 
208 
Pignut, 
197 
Pilea, 
196 
Pimpernel, 
173 
Pine, 
201, 202 
Pine Family, 
201 
Pinesap, 
169 
Pink, 
130 
Pink Family, 
129 
Pinweed, 
127 
Pinxter-flower, 
171 
Pipe-vine, 
190 
Pipsissewa, 
169 
Pisum, 
142 
Pitcher-Plant, 
121 
Plane-tree, 
196 
Plantagiuaceae, 
172 
Plantago, 
172 
Plantain, 
' 172 
Plantain Family, 
172 
Platanaceae, 
196 
Platanus, 
196 
Plum, 
146, 148 
Plumbaginaceas, 
173 
Podophyllum, 
120 
Poison-Hemlock, 
159 
Poison-Ivy, 
137 
Poke, 
209 
Pokeweed, 
191 
Pokeweed Family, 
191 
Polemoniaceae, 
183 
Polemonium, 
183, 184 
Polemonium Family, 
183 
Polianthes, 
213 
Polyanthus, 
213 
Polygonaceae, 
192 
Polygonum, 
193 
Polygonatum, 
210 
Polypetalous Division, 
112 
Pond-Lily, 
121 
Pontederia, 
208 
Pontederiaceae, 
208 
Poplar, 
200 
