NATIVE WOODY PLANTS OF THE UNITED STATES 
Smoothbark, 
cottonwood (Populus acuminata). 
oak (Quercus velutina). 
Snailseed (Cebatha carolina, 
Cocculus diversifolius). 
Snap willow (Saliz fragilis). 
Snapdragon pentstemon (Pentstemon 
antirrhinoides). 
Snow gooseberry (Rives niveum). 
Snowbell (Styragv grandifolia). 
Snowberry, (Symphoricarpos albus). 
Mountain (Symphoricarpos  oreo- 
philus). 
Roundleaf (Symphcricarpos rotundi- 
folius). 
Utah (Symphoricarpos utahensis ). 
Western (Symphoricarpos occiden- 
talis). 
Whortleleaft 
tundifolius). 
Snowbrush (Ceanothus cordulatus, 
Ceanothus velutinus). 
Snowdrop, (Halesia carolina). 
tree (Halesia diptera). 
Snowfiower tree (Chionanthus 
Nica) . 
Snowy hydrangea 
ata). 
Soapberry, 
Drummond (Sapindus drummondii). 
Florida (Sapindus marginatus). 
Western (Sapindus drummondii). 
Soapbush (Porlieria angustifolia). 
Soft, 
arrowweod (Viburnum molle). 
maple (Acer rubrum, 
Acer saccharinum). 
(Symphoricarpos  ro- 
virgi- 
(Hydrangea radi- 
Softleaf, 
arrowwood (Viburnum molle). 
willow (Salia sessilifolia). 
Soldier berry (Ribes aureum). 
Solonis grape (Vitis longi). 
Sonora ironwood (Olneya tesota). 
Sophora, pink (Sophora affinis). 
Sorrel-tree (Oxydendrum arboreum). 
Soulard crab apple (Malus soulardii). 
Sour, 
berry (Rhus integrifolia). 
buffaloberry (Shepherdia argentea). 
cherry (Prunus cerasus). 
gum (Nyssa sylwatica). 
oak (Rhus integrifolia). 
tupelo (Nyssa@ ogeche). 
tupelo gum (Nyssa ogeche). 
Sour-top blueberry (Vaccinium cana- 
dense). 
Sourwood (Oxydendrum arboreuwn). 
Southern, 
balsam fir (Abies fraseri). 
black gum (Nyssa biflora). 
blackhaw (Viburnum rufidulum). 
buckthorn (Bumelia lycioides). 
California black walnut (Juglans 
californica). 
cypress (Taxodium distichum). 
fox grape (Vitis rotundifolia). 
300 
Southern—Continued. 
gooseberry (Vaccinium melano- 
carpum). 
hackberry (Celtis mississippiensis). 
hard pine (Pinus australis). 
magnolia (Magnolia grandifiora). 
pine (Pinus australis). 
prickly-ash (Xanthozsylum clava-her- 
culis). 
redcedar (Juniperus lucayana). 
red oak (Quercus rubra). 
Shagbark hickory (Carya carolinae- 
septentrionalis ) . 
spicebush (Benzoin melissaefolium). 
spruce (Picea australis). 
Sugar maple (Acer floridanum). 
white cedar (Chamaecyparis 
oides). 
wild cherry (Prunus australis). 
Say ea (Hamamelis macrophyl- 
a). 
yellow pine (Pinus echinata). 
Southwestern black cherry (Prunus vi- 
rens). 
Spanish, 
bayonet (Yucca spp.). 
buckeye (Ungnadia speciosa). 
dagger (Yucca spp.). 
grape (Vitis berlandieri). 
oak (Quercus coccinea, 
Quercus digitata, 
Quercus rubra). 
Sparkleberry (Vaccinium arboreum). 
Speckled alder (Alnus incana). 
Spicebush (Benzoin aestivale, 
Myrica cerifera). 
areas hop sage (Graysia brande- 
gei). 
Spineseale (Atriplex spinifera). 
Spiny, 
greasebush (Forsellesia spinescens). 
hackberry (Celtis pallida). 
hop-sage (Grayia spinosa). 
myrtle (Caenothus spinosus). 
saltbush (Atriplex confertifolia). 
Spiraea, 
Douglas (Spiraea douglasii). 
Dwarf (Spiraea caespitosa). 
Meadow (Spiraea alba). 
Virginia (Spiraea virginiana). 
Willowleaf (Spiraea salicifolia). 
Sponge wood (Acacia farnesiana). 
Spoonwood (Kalmia latifolia). 
Spotted, 
bark (Quercus shumardii). 
oak (Quercus coccinea, 
Quercus nigra, 
Quercus shumardii, 
Quercus texana). 
Spring rabbitbrush (Tetradymia gla- 
brata). 
Spruce (Tsuga canadensis). 
Alberta (Picea albertiana). 
Bigcone (Pseudotsuga macrocarpa). 
Black (Picea mariana). 
Blue (Picea pungens). 
thy- 
