INDEX. 



635 



Page. 

 Sonoran, Upper. (See Upper Sonoran.) 

 Sorrel, mountain 224 



sheep 225 



Sow thistle 549 



Spalding, Henry, botanical collection 16 



Sparganiaceae 95 



Sparganium 95 



Spartina 145 



Spearmint 492 



Species, admission to present flora 5 



limitation, author's position 9 



Specularia 536 



.Speedwell 505-506 



Spergula 263 



SpergulartG 263 



Sphaeralcea 389 



Sphaerostigma 405-406 



Sphagnum bogs, vegetation 46 



Spike rush 1.59-160 



Spiraea 3.30 



Spirantlies 211 



Spirodela 177 



Spleen wort SO 



Sporobolus 112-113 



Spraguea 251 



umbellata 63 



Spruce, Douglas 94 



Engelmann 58, 95 



Sitka 41, 46, 95 



Spurred' 263 



Squirrel tail 149 



St. .lohnswort 390 



family 390 



Stachys 490 



Stafftree family 38-1 



Star flower 447 



Statice 449 



Steironema 448 



ciliatum occidentale 614 



Slellaria 257 



Stenanthium 197 



Stenotus 560 



Steptoe, definition of term 26 



Steptoe Butte, description 26 



Sticky laurel 51 



Stipa 107-109 



Stonecrop 308 



family 308-310 



Strawberry 340 



Streptanthus 296 



Streptopiis 201 



Strut hiopteris 79 



Suaeda 240 



Subularia 303 



Sugar bowls '. 266 



Sugar pine, discovery by Douglas 13 



Suksdorf, "W.N 6 



botanical work in Washington IS 



Sumac 383 



Sundew 46, 307 



family 307 



Sunflower 48, 582 



black 49 



Sunshine. Weather Bureau, statistics 29 



Sweet gale 46, 217 



family 217 



Sweet vernal grass 106 



Page. 



Sy mphoricarpos 528 



racemosus 49 



Syntherisma 104 



Synthyris 504 



pinnatiflda tomentosa 66 



reniformis 67 



Sy ringa 327 



Talinum 247 



Tall meadow oatgrass 121 



Tanacetum 586 



Tansy, garden 586 



Taraxacum 545 



Taraxia 405 



Tarweed 575-577 



Taxaceae 89 



Taxus 89 



Tea, Labrador 441 



Teasel 535 



Tellinia 317 



Temperature, eastern Washington 31 



western Washington 30 



Tetradymia 590 



Teucrium 487 



Thalesia 521 



Thalictrum 268 



Thelypodium 298 



Thermopsis 349 



montana 66 



Therofon 311 



majus interniodiiim 66 



Thimble berry 41, 51,333 



Thistle 609-611 



blessed 608 



bull 609-611 



Canada 609 



m ilk 609 



Russian 240 



sow 549 



Thlaspi 305 



Thornapple 346 



Thrift 449 



Thuja 91 



plicata 71 



Thysanoearpus 306 



Tiarella 317 



Tillaeastrum 308 



Timber, distributional peculiarities 35 



Timothy Ill 



Tissa 263 



Tobacco root 532 



Tofleldia 196 



Tolmie, botanical work in Washington 14 



Tonella 496 



Townsendia 563 



Toxicodendron 384 



Tragopogon 539 



Transition floras, arid and humid com- 

 pared 53-58 



Trautvetteria 269 



Trees, Canadian zone 59 



distributional peculiarities 35 



humid transition, comparisons 53,54,55 



Upper Sonoran, list 38-39 



Trefoil, yellow 363 



Trichostema 487 



Trientalis 447 



