INDEX 



391 



Sensitive Plant Family 



167 

 Sesuvium 51 

 Setaria 348 

 Shepherdia 216 

 Shepherd's Purse 19 

 Shooting Star 91, 90:4 

 Sibbaldia 163 

 Sida 32 



Sidalcea 32, 38:3 

 Sieversia 163. 154:3, 4 

 Silene 47, 44:6; 54:1 

 Silverberry 213, 214:10 

 Silverberry Family 213, 



214:8-10 

 Silverweed 152 

 Sinapis 19 



Sisymbrium 26, 22:23, 26 

 Sisyrinchium 316, 318:1 

 Sium 236, 232:18 

 Skull-cap 149, 146:1 

 Slough Grass 361, 342:4 

 Smartweed 56 

 Smelowskia 27, 22:21, 22 

 Smilacaceae 312 

 Smilax 312 

 Smilax Family 312 

 Snapdragon Family 125, 



112:17, 18; 126:1-4, 7- 



11; 136:1-6 

 Snapdragon Order 125 

 Sneezeweed 277, 288:3 

 Snowberry 239, 240:5 

 Soapwort 46 

 Solanaceae no, 106:1, 4; 



112:15 

 Solanum 116, 106:4 

 Solidago 294, 260:1 

 Solomon's Seal 309, 311, 



322:10 

 Sonchus 295 

 Sophia 26 

 Sophora 186,, 180:3 

 Sorbus 165 

 Sorghum 361 

 Sorrel 58 



Mountain 56. 54:18 



Wood 39, 38:2 

 Sow Thistle 295 



Spanish Bayonet 311 

 Sparganiaceae 301, 322:4 

 Sparganium 301, 322:4 

 Spartina 361, 342:4 

 Spear Grass 362, 342:15, 



16 

 Specularia 242 

 Speedwell 126:1, 3 

 Spergularia 47 

 Sphaeralcea 33 

 Sphaerostigma 205 

 Spiderwort 304, 306:2 

 Spiderwort Family 304, 



306:2 

 Spiesia 170 

 Spikenard 311, 322:10 

 Spike Rush 333, 322:18 

 Spiraea 163 

 Spiranthes 321 

 Sporobolus 361, 342:14 

 Spraguea 50 

 Spring Beauty 49, 54:11, 



12 

 Spring Lily 308, 306:3 

 Spruce 365, 366:6, 7 

 Spurge 35, 38:4 

 Spurge Family 34, 38:4 

 Squirreltail Grass 354, 



342:25 

 St. John's Wort 42 

 St. John's Wort Family 



42 

 Stachys 150, 146:6 

 Stanleya 27, 22:37 

 Starwort 48, 54:6 



Water ^7 

 Steironema 92, go:2 

 Stellaria 48, 54:6 

 Stenophragma 27, 22:40 

 Stephanomeria 290 

 Stickseed 122, 112:9, 10; 



120:9 

 Stipa 362. 342:15, 16 

 Stonecrop 189, 190:8 

 Stonecrop Family 188, 



190:1, 3, 8 

 Storksbill 39, 38:5 

 Strawberry 156 

 Streptanthus 28, 22:43 



Streptopus 310, 322:11 

 Subularia 28, 22:11 

 Suckleya 67 

 Sueda 64, 62:14 

 Sullivantia 198 

 Sumac 220, 218:4, 5 

 Sumac Family 220, 218: 



3-5 



Sunflower 279, 272:7 

 Sweet Clover 184, 180:9 

 Sweet Pea 182, 166:4 

 Swertia 97, 98:7 

 Syntherisma 350 

 Synthyris 127 

 Symphytum 124, 120:7 

 Symphoricarpus 239, 

 240:5 



Talinum 50, 54:14 

 Tanacetum 295 

 Tansy 26, 295 

 Taraxia 205 

 Taraxacum 296 

 Tarweed 285 

 Tetradymia 296 

 Tetraneuris 251 

 Teucrium 150 

 Texan Timothy 355 

 Thalesia 141, 126:6 

 Thalictrum 8 

 Thamnosma 40, 10:6 

 Thaspium 236 

 Thelesperma 296, 272: 



3, 8 

 Thelypodium 28,22:31,32 

 Thermopsis 186, 166:1 

 Thistle 263, 252:6 



Russian 66, 62:17 



Sow 295 

 Thlaspi 28, 22:5, 6 

 Thorn-apple in 

 Thoroughwort 266 

 Tickseed 267 

 Tillaeastrum 189 

 Timothy 358, 342:23 



Texan 355 

 Tissa 47 

 Toad Flax 131, 216, 214: 



11 



