[394] 



North American Trees 



Sambucus (continued) 



simpsonii, 365 



velutina, 365 

 Sapindus drummondii, 313 



marginatus, 313 

 Sassafras albidum, 239 



varifolium, 239 

 Sequoia gigantea, 91 



sempervirens, 89 



washingtoniana, 91 



wellingtoniana, 91 

 Serviceberry, Allegheny, 251 



Downy, 251 



Pacific, 251 

 Shadbush, 251 

 Shepherdia argentea, 329 

 Siberian Pea Tree, 281 

 Silktree, 271 

 Silverbell, Carolina, 341 



Little, 341 



Mountain, 341 



Two-wing, 341 

 Sloe, 257 

 Smokethorn, 266 

 Smoketree, 309 

 Snowbell, Bigleaf, 343 

 Soapberry, Florida, 313 



Western, 313 

 Sophora affinis, 281 



secundiflora, 281 



Texas, 281 

 Sorbus americana, 249 



americana sitchensis, 249 



aucuparia, 249 



decora, 249 



sitchensis, 249 

 Sourwood, 337 

 Spanish-bayonet, 369 

 Spruce, Black, 53 



Blue, 61 



Brewer, 59 



Colorado Blue, 61 



Engelmann, 57 



Norway, 48 



Red, 55 



Sitka, 59 



Western White, 51 



White, 51 

 Stinking-cedar, 117 

 Styrax grandifolia, 343 

 Sugarberry, 225 

 Sumac, Kearney, 289 



Laurel, 289 



Littleleaf, 289 



Mahogany, 289 



Poison, 289 



Prairie Shining, 289 



Shining, 289 



Smooth, 289 



Staghorn, 289 



Sugar, 289 

 Swampbay, 239 

 Swamp-privet, 357 

 Sweetbay, 231 

 Sweetgum, 241 

 Sweetleaf, Common, 343 

 Swietenia mahagoni, 287 

 Sycamore, American, 243 



Arizona, 243 



California, 243 

 Symplocos tinctoria, 343 



Tamarack, 41 

 Tamarisk, 308 

 Tamarix gallica, 308 

 Tanoak, 173 

 Tasajo, 325 

 Taxodium distichum, 93 



distichum nutans, 93 



mucronatum, 93 

 Taxus brevifolia, 1 1 9 



floridana, 1 19 

 Tecoma stans, 363 

 Tesota, 267 

 Thuja occidentalis, 97 



orientalis, 97 



plicata, 97 

 Tilia americana, 319 



caroliniana, 319 



cordata, 319 



floridana, 319 



heterophylla, 319 



vulgaris, 319 

 Torreya californica, 1 1 7 



Florida, 1 1 7 



taxifolia, 1 1 7 

 Toxicodendron radicans, 289 



vernix, 289 

 Tree-of-Heaven, 287 

 Tree Sparkleberry, 337 

 Trumpetflower, 363 

 Tsuga, 64 , 



canadensis, 67 



caroliniana, 67 



heterophylla, 69 



Key to species, 65 



mertensiana, 71 

 Tuliptree, 235 



