INDEX. 



3J 



Harebell, sp. of Campanula, 



Havrkbit, Leontodon, 



Hawkweed, Hieracium, 



Hawthorn, Cratasgus, 



Hazelnut, Corylus, 



Heal-all, Brunella, . 



Heart's-ease, Viola, . 



Hedeoma, Mock Pennyroyal, 



Hedgehog-Grass, Cenchrus, 



Hedge-Hyssop, Gratiola, 



Hedge-Mustard, Sisymbrium, 



Hedge-Nettle, Stachys, . 



Hedysarum, 



Helenium, False Sunflower, . 



Helianthemum, Rock-Rose, 



Helianthus, Sunflower, 



Heliophytum, Indian Heliotrope, 



Heliopsis, Ox-eye, 



Heliotrope, Heliotropium, . 



Heliotropium, Heliotrope, 



Hellebore, Helleborus, 



Helleborus, Hellebore, . 



Helonias, .... 



Hemerocallis, Bay-Lily, 



Hemianthus, Micranthemum, 



Heinicarpha, 

 Hemlock, Conium, . 

 Hemlock-Parsley, Conioselinum. 

 Hemlock-Spruce, sp. of Abies, 

 Hemp, Cannabis, . 

 Hemp-Nettle, Galeopsis, . 

 Hempweed, Mikania, 

 Henbane, Hyoscyamus, 

 Hepatica, Liver-Leaf, 

 Heracleum, Cow-Parsnip, 

 Hercules' Club, sp. of Aralia, 

 Herds-Grass, Phleum, 

 Herpestis, .... 

 Heteranthera, Mud-Plantain, 

 Heuchera, Alum-root, . 

 Hibiscus, Rose-Mallow, . 

 Hickory, Carya, . 

 Hieracium, Hawkweed, 

 Hierochloa, Holy-Grass, 

 Highwater Shrub, Iva, 

 Hippuris, Mare's-Tail, . 

 Hoary Pea, Tephrosia, 

 Hobble-Bush, sp. of Viburnum, 



