254 



INDEX. 



Page. 



Moimting plants, Directions for, witii glue. 227, 228 



■with gummed strips. . . 229 



Precautions in 230 



Mouse-ear Chickweed 68 



Cress 66 



Everlasting 89 



Mucilage for gumming strips. How to 



make 228,229 



Mud-Plantain 124 



Muhlenbergia 131, 195 



Mexicana 50 



sylvatica 50 



Mulberry Ill 



Mulgedium 53,93,170 



Mullein 101 



Muscari 123,188 



Muaci 140 



and Hepaticse, by whom furnished. .. 9, 140 



Musquash-Koot 82 



Mustard 66 



Family 64 



Myosotis 99,174 



arvensis 24 



Myrica 112, 123 



Myricaceae 112 



MyriophyUum 80,160 



Myrtle 97 



Nabalus 53,92,170 



albus 49 



Fraaeri 49 



Naiad 118 



Naiadacete 118 



Naias 118, 185 



Naked-beard Grass 132 



Names of localities, how obtained 18, 19 



vs. things, as objects of scientific 



study 54,211 



Narrow-leaved Cat-tail 117 



Spleenwort 138 



Vervain 104 



Nasturtium 64, 150 



amphibium 12 



lacustre 23 



obtusum 238 



National Park, Advantages of the Rock 



Creek Region as a 19 



Reform School 25 



"Native "Wild Flowers and Ferns of the 



United States" 55 



Nature, Problems of, inverse order in which 



they have been studied 57 



Necklace Poplar 116 



Ncckweed 102 



Needles, dissecting. Thorns as substitutes 



for 211 



Nogundo 73, 155 



aceroides 22, 31 



Noillia 77, 158 



Nolumbium luteum 12 



Nopeta 105, 178 



Glcchoma 29, 49 



Nesaia 80, 161 



verticillata 22 



Page. 



Netted Chain-Fern 138 



Netted-leaved Vervain 104 



Nettle 110, 111 



Family 110 



New Jersey Tea 72 



New York Shield-Fern 138 



Nicandra 101, 175 



Nightshade 100 



Family 100 



Nimble-"Will 131 



Nine-Bark 77 



NiteUa 144, 207 



Nonesuch 74 



Northeastern United States, Flora of the ... 42 



Northern Fox-Grape 72 



Notes, Field, when to be taken 218 



Nuphar 63, 149 



Nursery, An abandoned, of Acer daaycar- 



pum and Populus alba near Pierce's mill. 20 



Nut-Rush 126 



Nutt, Major, Discovery by, of Quercus ilici- 



foUa 113 



Nyctaginacese 51 



Nymphsea .64, 149 



odorata 23 



Nympheeaceae 63 



Nyssa 83, 163 



multiflora 48 



Oak 112-114 



Predominant species of 48 



Family 112 



Oakesia 122,188 



Oat-Grass 131, 134 



Obliterated species, A few, retained 10 



Obolaria 98,173 



Virginica 20, 28 



Obtuse-leaved Woodsia 139 



CEnothera 81,161 



fruticosa 49 



var. linearis 22 



Oldberg, Rudolph, Republication of his cat- 

 alogue of Musci and Hepaticae 9, 140 



Old- Witch Grass 135 



Oleacea) 97 



Olive Family 97 



Onagraceso 51, 80 



Onagrarieae 51 



One-flowered Broom-rape 103 



Onion 121 



Ouoclea 139,200 



Onopordon 92,169 



Ouosmodium 100, 174 



Carolinianum, var. moUe 13 



Virginianum 25 



Opera-glass, as substitute for field-glass 215 



Ophioglossaceao 139 



Ophioglossum 139, 201 



vulgatum 20 



Opuntia 81,161,222 



Orache 107 



Orange-Grass 70 



Orchard Grass 132 



Orchidaceae 119 



Orchis 119,120,186 



