220 



Grape-fern . 

 Grapes 



17 



Grass of Parnassus ........... 152 



Green Ash .......... , ........ 181 



Greenbrier ................... 130 



Grindelia .................... 202 



Gromwell ................... 187 



GROSSULARIACE^ ........... 153 



Ground Cherry .............. 190 



Groundnut .................. 165 



Ground Pine ................ 105 



Ground Plum ................ 161 



Groundsel .................. 211 



Gum Plant .................. 202 



Gutierrezia .................. 202 



Gymnocladus ............... 158 



GYMNOSPERM^ ............. 105 



Gymnosperms .............. 105 



Gyrostachys ............ ..... 131 



Habenaria ................... 130 



Hackberry ................... 134 



HAI/>RAGIDACE^ ............ 176 



Harebell .................... 197 



Hare's-ear Mustard .......... 152 



Hazelnut ................... 133 



Hawkweed ...... ........... 199 



Heath Family ............... 180 



Hedeoma .................. 189 



Hedge Bindweed ............. 184 



Hedge Hyssop ............... 192 



Hedge Mustard .............. 148 



Hedge Nettle ................ 189 



Hedysarum ................. 164 



Helenium ................... 210 



Helianthella ................. 209 



Helianthemum .............. 172 



Helianthus ......... ......... 2(8 



Heliopsis .................. 208 



Heliotropium ............... 185 



Hemp ...................... 134 



Heracleum .............. . 177 



Herpestis .................... 192 



Heteranthera ............... 126 



Heuchera .................... 152 



Hibiscus .................... 171 



Hieracium ................... 199 



PAGE 



Hierochloe 1 1 1 



Hippuris 176 



Hoarhound 190 



Hog Peanut 165 



Homalobus 163 



Homalocenchrus no 



Honewort 179 



Honeysuckle Family 195 



Hop Clover 159 



Hops 134 



Hordeum 119 



Hornwort 143 



Hosackia 160 



Horseradish 149 



Horse-tails 105 



Horseweed 206 



Huckleberry Family 180 



Humulus 131 



Hungarian Grass no 



HYDROPHYLLACE^E 185 



Hydrophyllum 185 



Hymenopappus 209 



HYPERICACE^ 171 



Hypericum 171 



Ilypoxis . 130 



Hyssop 189 



Hyssopus 190 



Hysanthes 1 92 



Impatiens..! 170 



Indian Hemp 183 



Indian Mallow 171 



Indian Pipe Family 180 



Indian Pipe 180 



Indian Rice . . no 



Indian Soapweed 1 28 



Indian Turnip 125 



Ipomcea 184 



IRIDACE^ 130 



Iris 130 



Ironweed 200 



Iron-wood 133 



Iva 200 



Isophorus no 



Jewel-weed Family 1 70 



JUNCACE^ 126 



Juncus 1 26 



Juncoides 127 



