194 



MIDDLESEX FLOEA. 



Monotropa, 63. 

 Moonwort, 138. 

 Moosewood, 89. 

 Morning-glory, 77. 

 Morus, 91. 

 Mosses, 139. 

 Mossy Stonecrop, 36 

 Motherwort, 73. 

 Mountain Ash, 34. 

 Mountain Kice, 126. 

 Mugwort, 54. 

 Muhlenbergia, 126. 

 Mulberry, 91. 

 Mulgedium, 59. 

 Mullein, 67. 

 Musoi, 139. 

 Mustard, 5, 7, 8, 9. 

 Myosotis, 75. 

 Myriangium, 171. 

 Myrica, 93. 

 Myricaceae, 93. 

 Mjriophyllum, 36. 



Nabalus, 59. 

 Ifaiadacese, 99. 

 Naias, 99. 

 Nardia, 150. 

 Nasturtium, 5. 

 Neckera, 145. 

 Neckweed, 69. 

 Neillia, 30. 

 Nelumbium, 4. 

 Hemopanthes, 64. 

 Nepeta, 72. 

 Nephroma, 169. 

 Nesaea, 39. 

 Nettle, 91. 

 New Jersey Tea, 21. 

 Nicandra, 79. 

 Nicotiana, 80. 

 Nightshade, 78. 

 Nine-bark, 30. 

 Nipplewort, 57. 

 Nitella, 151. 



Nodularia, 163. 

 Nonesuch, 25. 

 Nostoc, 163. 

 Nuphar, 4. 

 Nut-rush, 114. 

 Nyctaginaceae, 82. 

 Nymphsea, 4. 

 Nymphaaceae, 4. 

 Nyssa, 43. 



Oak, 92. 

 Oakesia, 107. 

 Oat, 128. 



Oat Grass, 126, 128. 

 CEnothera, 37, 175. 

 Old-maid's frizzles, 31. 

 Old-witch Grass, 121. 

 Oleaceae, 82. 

 Olive, 82. 

 Onagraceae, 37. 

 Onoclea, 137. 

 Onopordon, 57. 

 Oosporeae, 154. 

 Opegrapha, 173. 

 Ophiocytium, 158. 

 Ophioglossum, 137. 

 Opuntia, 39. 

 Orchard Grass, 130. 

 OrchidaceaB, 102. 

 Orchis, 102. 

 Ornithogalum, 108. 

 OrobanchaceEe, 67. 

 Orpine, 35. 

 Orthocarpus, 69. 

 Orthotrichum, 142,, 

 Oryzopsis, 126. 

 OsclUaria, 164. 

 Osier, 95. 

 Osmorrhlza, 42. 

 Osmunda, 137. 

 Ostrich Fern, 137. 

 Ostrya, 93. 

 Oswego Tea, 72. 

 Oxalis, 20. 

 Ox-eye Daisy, 54. 



