INDEX. 



251 



Page. 

 Introduced species, Number of, from other 

 parts of the United 



States 30 



Classiflcation of 36 



lonidium 67, 152 



concolor 30 



Ipecac 110 



Ipomcea 100, 174 



commutata 13 



IridacesB 120 



Iris 120,121,187 



cristata 22, 23 



Family 120 



Virginica 13 



Iron- weed 85 



Iron- wood 112 



Isanthus 104, 177 



caeruleus 22 



Islands in the Potomac 22 



Itea 79,160 



Virginica 24 



Jackson City 24 



Jamestown-Weed 101 



Japanese Honeysuckle 84 



Jcflfersonia 63, 149 



diphylla 22,23,28,29 



Jersey Pine 137 



Jerusalem Artichoke 91 



" Jimson-Weed " 101 



Joe-Pye Weed 85 



Journal, Botanical 218 



Judas-Tree . 48,76 



JuglandaceaB 51, 111 



JuglandeiB 51 



Juglans 112, 182 



JuncaceiB 123 



Juncus 123, 189 



effusus 50 



marginatus 50 



tenuis 50 



June-berry 79 



Jungermannia 143, 206 



Juniperus 137, 199 



Virginiana 48 



Jussifea 81, 161 



Jussieu, Adrien de, on the proper systematic 

 position of the Gymnosperms 53 



Kalmia 95, 171 



glanca 12 



latifolia 49 



Kalorama Heights 20 



Kentucky Blue Grass 132 



Key, Postmaster-General, Liberal decision 



of, on the mailing of partly written labels 234 

 Keys, botanical. Salutary struggles of be- 

 ginners with 221 



Kinnikinnik 83 



Knife, Kind of, needed when collecting 214 



for cutting gummed strips, Best form 



of 229 



Knot-grass 108 



Knotty-leaved Rush 123 



Knowledge of plants vs. knowledge of names 212 



Page. 



Krigia 53,03,170 



Virginica 31 



Kuhnia 80, 105 



Labels, The writing of, in the field 217 



Temporary 219 



for herbarium cases 225 



Pinal, for the herbarium 228 



how to fasten to the sheets. . . 231 



for duplicate cases 231 



for plants sent in exchange, Impor- 

 tance of 202 



Proper form of 233 



Labiatas 104 



Lactuca 53, 93, 170 



Canadensis 49 



Ladies' Calamas 121 



Lady-Fem 138 



Lady's Mantle 78 



Slipper 120 



Thumb 108 



Lake-Cress 65 



Lamarck and Cuvier, Views of, contrasted. 57 



Lambkill 95 



Lamb-Lettuce 85 



Lamb's-Quarters 107 



Lamium 106, 179 



amplexicaule 28 



Lance-leaved Violet 67 



Laportea Ill, 182 



Canadensis 49 



Lappa 53, 92, 169 



Large Genera, Analysis of the 35 



How to look rapidly through, 



in the herbarium 220 



Orders, Analysis of the 35 



Spotted Spurge 110 



Yellow Lady's Slipper 120 



Moccasin Flower 120 



Larger Bur-Marigold 91 



Groups, Analysis of the 34 



Mouse-ear Chickweed 68 



Large-toothed Aspen 116 



Larkspur 62 



Island 23 



Lathyrus 76,157 



venosus 31 



Latin names, Prejudice against 55 



LauracesB 51, 109 



Laurel 95 



Family 109 



Magnolia 63 



Oak 113 



Laurineje 51 



Leaf-Cup 89 



Lea's Oak 114 



Leather-Flower 61 



Leather-wood 109 



Lechea 60, 151 



major 12 



Leek 121 



Leersia 130,194 



Leguminosse 73 



Lejeunia 143, 20G 



Lemna 117, 185 



