INDEX. 



445 



Sorghastrum, 20 



Sorghum, 20 



Sorrel, 107 



Sorrel, Mountain, 109 



Sourgrass, 220 



Sow-thistle, 41 1 



Spanish Bayonet, 85 



Spanish Lettuce, 126 



Spanish Needles, 375 



SPARGANIACE^E, n 



Sparganium, 1 1 



Spartina, 35 



Spatularia, 174 



Specularia, 326 



Speedwell, 312 



SPERMATOPHYTA, 7 



Sphccralcea, 230 



Sphcrro stigma, 247 



Spiderwort, 75 



Spiderwort Family, 75 



Spike-grass, Marsh, 40 



Spikenard, Wild, 84 



Spike-rush, 59 



Spiraa, 189 



SpirantheSj 89 



Spleenwort, 4 



SPONDIACE^E, 225 



Sporobolus, 27, 28, 29 



Spring Beauty, 125 



Spring Beauty, Water, 126 



Spring Lily (Leucocrinum) 



Spruces, 8 



Spurge, 222, 224 



Spurge Family, 222 



Squaw root (Carum) 



Squirrel-grass, 55 



Stachys, 297 



Staff-tree Family, 226 



Stanleya, 167 



Star of Bethlehem (Leucocrinuni) 



Starwort, 127 



Starwort, Water, 225 



Steironema, 263 



Stenophragma, 159 



Stenosiphon, 247 



Stenotus, 345 



Stephanomeria, 403 



Stick-seed, 285 



Stink-grass, 38 



Stipa, 23 



Stitchwort, 127 



St. John's Wort, 231 



St. John's Wort Family, 231 



Stone-crop, 170 



Strawberry, 186 



Strawberry Elite, 116 



Strawberry Tomato, 300 



Streptanthus , 166 



Streptopus, 84 



Succda, 1 20 



Suckleya, 118 



Sugar Corn, 20 



Sullivantia, 173 



Sumac, 226 



Sumac Family, 225 



Sun-flower, 373 



Svida, 249 



Swamp Laurel, 260 



Swamp Potato (Sagittaria) 



Sweet Cicely, 251 



Sweet Clover, 202 



Sweet Coltsfoot, 387 



Sweet Flag, 74 



Swertia, 267 



Switch-grass, 21 



Symphoricarpos, 323 



Syntherisma, 20 



Synthyris, 313 



Syringa, 176 



Talinum, 125 

 Tansy-mustard, 157 

 Tape-grass Family, 1 5 

 Taraxacum, 409 

 Taraxia, 247 

 Tar-weed, 376 

 Telesonix, 173 

 Tel lima, 171 

 Tetradymia, 398 

 TETRAGON IACE^E, 124 

 Tetraneuris, 378 

 Teucrium, 295 

 Thalesia, 320 

 Thalictrum, 147 

 Thamnosma, 221 

 Thaspium, 257 

 Thelyp odium, 166 

 Thelesperma, 375 

 T her mop sis, 197 

 Thistle, 398 

 Thistle, Russian, 20 

 Thistle Family, 329 

 Thlaspi, 152 

 Thorough-wort, 335 

 Thorn-apple, 303 

 THYMELIALES, 239 

 Tickle-grass, 30 

 Tick-seed, 374 

 Tiger Lily, 83 

 Tillcca, 169 

 Tillcrastnim, 169 

 Timothy, 28 

 Tiniaria, 113 

 Tiorin, 30 

 Tissa, 132 

 Tithymalus, 224 

 Tium, 204 

 Toad-flax, 305 

 Toad-flax, Bastard, 101 

 Tobacco, 304 



