XVIII 



INDEX. 



Page. 



Shepherd 's-purse 346 



Shieldfern, crested 268 



Showy fleabane 427 



Sibbaldia 362 



Sieversia 363 



Silenaceae. . .' 333 



Silene 334 



Silverberry 378 



Silver-plant 327 



Silverweed 361 



Sinapis 348 



Sisymbrium 347 



Sisyrinchium 314 



Slum 385 



Skiinkberry 413 



SkiuilvCabbage 304 



Skunk-plant 396 



Slough grass 287 



Smartweed, water 328 



Smelowskia 346 



Smilacina 312 



Smilax 383 



Snakeroot, bur 384 



Snowberry 413 



Snowbrush 376 



Sohdago 422 



Solomon's-seal, false 312 



Somes, M. P 252 



Sonchus 417 



Sophia 347 



Sorbus 366 



Sorrel, mountain 330 



Sour dock 330 



Sow thistle 417 



Sparganiaceae 277 



Sparganium 277 



Spathyema 304 



Spatnlaria 357 



Speedwell 407 



Sphaeralcea 376 



Sphagnum bogs of Glacier Park 245 



Spikerush 295 



Spiny currant 357 



Spiraea 359 



Spiranthes 316 



Spleenwort, green 266 



Spotted pyrola 389 



Springbeauty 333 



Spruce 275 



Douglas 276 



Spurge, creeping 374 



family 374 



Squawgrass 309 



Squirreltail 294 



Stachys 403 



Standley, P. C, field work in Glacier Park. . . 249 



Starwort, water 375 



Stellaria 335 



Sienanrhella 309 



Stenanthium 309 



Stickleaf 378 



Stickseed 400 



Sticky currant 357 



Stipa 282 



Stonecrop 352 



family 352 



vellow 353 



Strawberry 362 



blite 332 



Streptopus 313 



Strobns 274 



Suaeda 331 



Suksdorfia 355 



Sulphur-plant 327 



Sundew family 352 



Sunflower 431 



Svida 387 



Sweet cicely 384 



coltsfoot 434 



S weetclover, yellow 370 



Sweetgrass 282 



Sweet-scented bedstraw 411 



Symphoricarpos 413 



Synthyris 407 



Tamarack 275 



Tansy mustard 347 



Taraxacum 416 



Taraxia 381 



Tarweed 431 



Taxaceae 272 



Taxus 272 



Thalictrum 342 



Thelypteris 267 



Thermopsis 369 



Thimbleberry 364 



Thistle 43S 



Pvussian 331 



Thlaspi 345 



Thompson, Mrs. Otto 252 



Thuja 276 



Thyme-leaf speedwell 407 



Tiarella 355 



Tickle grass 284 



Timothy 283 



Tium 371, 372 



Toad rush 30& 



Toadflax, bastard 326 



Tofleldia 3ia 



Torresia 282 



Townsendia 423- 



Toxicoscordion 310- 



Transition Zone in Glacier Park 239 



Trifolium 369 



Trillium. . . .-. 314 



Trisetum 286- 



Triticum 293 



Trollius 340 



Troximon 415 



Tsuga 276 



Tumble mustard 347 



Tumbleweed 331,332 



Turrilis 352 



Twayblade 315 



Twinberry 413 



Twinflower 412 



Twistedrstalk 313 



Typha 277 



Typhaceae 277 



Ulke, Titus 252 



Umbach, L. M 251 



UmbdU/erae 383' 



Umbrella-plant 327 



Urtica 326 



Urticaceae 326 



