Index 
Heather, 281 
Hedera helix, 307 
hibernica, 405 
Hemlock, 127, 237 
Ground, 303 
Hempweed, Climbing, 330 
Hercules’ Club, 233 
Hibiscus californicus, 384 
SYPIACUS, 277, 392 
Hickory, Big-bud, 221 
Bitternut, 221 
Black, 221 
Broom, 221 
Mockernut, 221 
Pignut, 221 
Shagbark (Shellbark), 84, 218 
Small-fruited, 221 
Swamp, 221 
Western Shagbark, 221 
Hickories, 82 
Hicoria alba, 221 
glabra, 221 
microcarpa, 221 
minima, 221 
olweformis, 222 
ovata, 218 
sulcata, 221 
Highwater Shrub, 266 
Hippophe rhamnoides, 367 
Hobble-Bush, 138, 269 
Hog-Peanut, 332 
Holly, 105 
American, 201 
English, 166, 362 
Japanese, 166 
Mountain, 251 
Honeysuckle, Bush, 287 
Fly, 286 
Hairy, 326 
Hall’s, 406 
Japanese, 326, 406 
Mountain Fly, 286 
Small, 325 
Swamp Fly, 287 
Tartarian, 266 
Trumpet, 325 
Honeysuckle, Yellow, 325 
Honeysuckles, 147, 390 
Hop, 339 
Hop-hornbeam, 65, 197 
Hop-tree, 108, 229 
Hornbeam, 64, 197 
European, 357 
Hop-, 65, 197 
Horse-chestnut, 71, 226 
Dwarf, 150, 389 
Red, 367 
Horse-sugar, 206 
Huckleberry, Box, 278 
Common Black, 276 
Dwarf, 277 
Squaw, 289 
Hudsonia, 282 
Hudsonia ericoides, 282 
tomentosa, 282 
Humulus lupulus, 339 
Hydrangea, 157, 386, 398 
Oak-leaved, 389 
Wild, 256 
Hydrangea arborescens, 256 
hortensis, 157, 398 
nivea, 386 
paniculata 
386 
quercifolia, 158, 389 
Hypericum aureum, 161 
densitiorum, 286 
kalmianum, 161, 286 
moseriana, 161, 394 
prolificum, 286 
grandiflora, 157, 
Idesia polycarpa, 129 
Ilex aquifolium, 106, 362 
cassene, 259 
crenata, 166 
dahoon, 259 
decidua, 259 
glabra, 252 
levigata, 252 
latifolia, 166 
mollis, 252 
montana, 252 
