NATIVE WOODY PLANTS OF THE UNITED STATES 
Hickory—Continued. 
Pignut—Continued. 
Carya pallida, 
Carya villosa). 
Serub (Carya floridana). 
Shagbark (Carya ovata). 
Shellbark (Carya ovata). 
Small-fruited (Carya microcarpa). 
Small pignut (Carya ovalis). 
Southern shagbark (Carya carolinae- 
septentrionalis ). 
Swamp (Carya cordiformis). 
Texas (Carya buckleyi). 
Water (Carya aquatica). 
White (Carya alba). 
Whiteheart (Carya alba). 
Hickory, 
pine (Pinus aristata). 
poplar (Liriodendron tulipifera). 
Highbush, 
blueberry (Vaccinium corymbosum). 
cranberry (Viburnum trilobum). 
Highland, 
black gum (Nyssa sylvatica). 
live oak (Quercus wislizenit). 
Hill, 
gooseberry (Ribes californicum). 
oak (Quercus douglasii). 
Hillside gooseberry (Ribes californi- 
cum). 
Hinds walnut (Juglans hindsii). 
Hoary, 
alder (Alnus incana). 
azalea (Rhododendron canescens). 
sagebrush (Artemisia cana). 
willow (Salix candida). 
Hoary-leaf ceanothus (Ceanothus cras- 
sifolius). 
Hobblebush (Viburnum alnifolium). 
Hog plum (Prunus reverchonii, 
Colubrina texensis, 
Prunus umbellata). 
Hognut hickory (Carya alba). 
Holly, 
American (Jlex opaca). 
Bearberry (Ilex decidua). 
Christmas (Illex opaca). 
Deciduous (Ilex decidua). 
Largeleaf (Jlex longipes). 
Large-leaved (Nemopanthus mucro- 
nata). 
Michigan (Ilex verticillata). 
Mountain (Ilex montana, 
Nemopanthus mucro- 
nata). 
Holly oak (Quercus undulata). 
Hollybush (Tetracoccus ilicifolius). 
Hollygrape, 
California (Berberis californicum). 
Creeping (Berberis repens). 
Dwarf (Berberis repens). 
Fremont (Berberis fremontii). 
Netleaf (Berberis californicum). 
Nevin (Berberis nevinii). 
Oregon (Berberis aquifolium, 
Berberis nervosa). 
339 
Hollygrape—Continued. 
Red (Berberis haematocarpa). 
Veinyleaf (Berberis nervosa). 
Wavyleaf (Berberis pinnata). 
Hollyleaf, 
buckthorn (Rhamnus crocea). 
bur-sage (Franseria ilicifolia). 
ceanothus (Ceanothus jepsonit). 
cherry (Prunus ilicifolia). 
Hollyseale (Atriplex hymenelytra). 
Honey, 
mesquite (Prosopis chilensis). 
shucks (Gleditsia triacanthos). 
Honeylocust (Gleditsia triacanthos, 
Prosopis glandulosa, 
Prosopis chilensis, 
Robini pseudoacacia). 
Honeysuckle (Lonicera ciliosa, 
Rhododendron 
cens). 
American fly (Lonicera canadensis). 
Arizona (Lonicera arizonica). 
Bearberry (Lonicera involucrata). 
Blue fly (Lonicera villosa). 
Bush (Diervilla lonicera). 
Chaparral (Lonicera interrupta). 
Coral (Lonicera sempervirens). 
Douglas (Lonicera glaucescens). 
Fly (Lonicera ciliesa). 
Grape (Lonicera prolifera). 
Hairy (Lonicera hirsuta). 
Japanese (Lonicera japonica). 
Mountain (Lonicera dioica). 
Mountain fly (Lonicera cauriana, 
Lonicera villosa). 
Orange (Lonicera ciliosa). 
Pink (Lonicera hispidula). 
Swamp fly (Lonicera oblongifolia). 
Trumpet (Lonicera sempervirens). 
Twinberry (Lonicera involucrata). 
Utah (Lonicera utahensis). 
Yellow (Lonicera flava). 
Hoop ash (Fravinus nigra). 
Hopbush (Dodonaea arizonica). 
Hophornbeam, (Ostrya virginiana). 
Bailey (Ostrya baileyi). 
Western (Ostrya knowltonii). 
Hop-sage, - 
Spineless (Grayia brandegei). 
Spiny (Grayia spinosa). 
Hoptree (Ptelea trifoliata). 
Hornbeam, (Carpinus caroliniana). 
Bailey hop (Ostrya baileyi). 
Western hop (Ostrya knowltonii). 
Horse, 
plum (Prunus americana, 
Prunus nigra). 
sugar (Symplocos tinctoria). 
Horsebean, (Parkinsonian aculeata). 
CaNES- 
Little-leaf (Parkinsonia micro- 
phylla). 
Small-leaved (Parkinsonia  micro- 
phylia). 
Horsebrier (Smilax rotundifolia). 
