4i6 



INDEX. 



Sagebrush 381 



Sagina 148 



Sagittaria 30 



Salal 278 



Salicaceae 112 



Salicornia 132 



Salix 113 



Salmon-berry ' 204 



Salsify 353 



Salsola 133 



Saltbush 133 



Salt-grass 56 



Sambucus 336 



Samphire 133 



Sandalwood Family 124 



Sandwort 149 



Sanguisorba 206 



Sanicula 257 



Santalaceae 124 



Saussurea 396 



Saxifraga 189 



Saxifragaceae 184 



Saxifrage 189 



Saxifrage Family 184 



Scheuchzeria 29 



Scheuchzeriaceae 29 



Scirpus 83 



Scoliopus 101 



Scorzonella 353 



Scouring Rush 12 



Scrophularia 319 



Scrophulariaceae 315 



Scutellaria 309 



Sea-blite 132 



66 



Family 65 



Sedum 183 



Seed Plants 16 



Selaginella 14 



Selaginellaceae 14 



Senecio 386 



Senecioneae 347 



Sericocarpus 369 



Service Berry 200 



Sheep Sorrel 127 



Shepherd's Purse 181 



Sherardia 334 



Shield Fern 7 



Shooting Star 283 



Sibbaldia 210 



Sidalcea 238 



Sieversia 207 



Silene 142 



Silver-top 47 



Silyburn 394 



Sisymbrium 175 



Sisyrinchium 105 



Sitanion 64 



Sitka Spruce 22 



Sium 267 



Skullcap 309 



Skunk Cabbage, Yellow 85 



Skunk Weed 295 



Slender Wheat-grass 62 



Smartweed 131 



Smelowskia 174 



Smooth Wild Oat 46 



Snappers 123 



Snowberry 338 



Solanaceae 314 



Solarium 314 



Solidago 364 



Solomon's Seal, False 103 



Sorrel, Mountain 127 



Sheep 127 



Wood 230 



Sow Thistle 360 



Sparganiaceae 24 



Sparganium 24 



Spartina 60 



Spearmint 308 



Specularia 344 



Speedwell 322 



Spergula 145 



Spermatophyta 16 



Sphaerostigma " 253 



Spike Rush 82 



Spiraea 202 



Spirodela 86 



Spleenwort 6 



Common 6 



Spraguea 138 



Spruce 22 



Douglas 22 



Engelmann 22 



Sitka 22 



Tideland 22 



Spurge 230 



Spurge Family 230 



Spurrey 145 



Squirrel Rail 64 



Stachys 313 



Staff tree Family 234 



Star-flower 285 



Starwort, Water 232 



Statice 286 



Stellaria 146 



Stenanthium 99 



Sticky Laurel 237 



Stipa 38 



St. Johnswort 240 



St. Johnswort Family 239 



Stonecrop 183 



Stonecrop Family 182 



