INDEX. 635 
Page. Page. 
Sonoran, Upper. (See Upper Sonoran.) Symphoricarpos.....-.....---.-+------++-++ 528 
Sorrel, mountain...........---.------------ 224 raceMosus........----------+---++-+++-- 49 
sheep.....----.-------22-2-2- 2-22-2222 eee 225 | Syntherisma...............-2..-.--------+-+ 104 
Sow thistle.................---2.---------05- 549 | Synthyris.............---------------2 +e eee 504 
Spalding, Henry, botanical collection. ..... 16 | pinnatifida tomentosa. .............---- 66 
Sparganiaceae...........-.....---22 22-202 95 | reniformis.............-----------+-20++ 67 
Sparganium.........-..-----------++-+-+--- 95 | Syringa..........-22220-02 22-222 eee eee eee 327 
Spartina. ..........-..---------++---+-------- 145 | 
Spearmint.........-.-..---... 000-222-222 e- 492 | Talinum.................-----------------5- 247 
Species, admission to present flora......... 5 | Tall meadow oatgrass.......-....---------- 121 
limitation, author’s position.........-- 9 | Tanacetum.........---....-----.------------ 586 
Specularia...........-----------2-+++--+---- 536 | Tansy, garden..........--- Leese ceeeeeeeee 586 
Speedwell. .......--..2.-22---0---20- 2225+ 505-506 | Taraxacum..........--.--.-2-0--2-2-2- 2-02 545 
Spergula.........-..--- cece eee cece eee eee 963 | Taraxia............2.-222---------- 2-2 e eee 405 
Spergularia..........----2+-+2-0222e eee eee ee 263 | Tarweed............----------- eee eee ee eee 575-577 
Sphaeraleea..........-----------++++-------- 389 | Taxaceae......-.-....---------2- +2222 - + eee 89 
Sphaerostigma............----------++--- 405-406 | Taxus.......-.2.-.222220 22220-20222 e eee eee 89 
Sphagnum bogs, vegetation............---- 46 | Tea, Labrador. ............-.-.------------- 441 
Spike rush..........-----------+-----+-+-- 159-160 | Teasel............----2---- 222-22 - eee eee eee 535 
Spiraea............---------- cee eee eee eeeee 330 | Tellima..............---.-.---------------5- 317 
Spiranthes..........-2-----0202 202s eee eee ee 211 | Temperature, eastern Washington......-.-. 31 
Spirodela.........------- +--+ 2-22-22 eee eee 177 | western Washington............---.--- 30 
Spleenwort........------------+++-e+2+--- _ 80 | Tetradymia......-.....---------------+---- 590 
Sporobolus. ......-.--.----+---+-2++++-+--- 112-113 | Teucrium..........--.-------------++-+-- 5+ 487 
Spraguea........----..-------- 2222s e eee eee 951 | Thalesia............---....-----------2220-- 521 
umbellata......--.---....2--2-----2505- 63 | Thalictrum..............-.-.-------------+- 268 
Spruce, Douglas........-....------+--+-+-++- 94 | Thelypodium...........-.-------------+-00 298 
Engelmann............-------+-------+- 58,95 | Thermopsis........-.-.--------+------------- 349 
Sitka... 00.022 eee ee eee eee 41, 46,95 montana.........-...-------+----------- 66 
Spurrey....-..-- 2-022-022-0222 eee eee eee eee 263 | Therofon.......-.---------------+ +--+ + 52+ 311 
Squirrel tail...........-.-----------++-+---- 149 majus intermedium.......-....-....+.-- 66 
St. Johnswort............--.-.------------- 390 | Thimble berry.............------------- 41, 51, 333 
family. .........2-.2..2222025-0----5--5-- 300 | Thistle............-..-.--------- +--+ 2-2 + +e 609-611 
Stachys......02...- 2-20-0222 eee ee eee eee eee 490 blessed.......2.--------- 200-2 eee eee eee 608 
Stailtree family.................----------- 384 bull... 2.2... 2-2... 2-222 - eee 609-611 
Star flower............-2..-2--------------- 447 Canada...........--2-----2-2- 0-2 eee 609 
Statice.......2....2---- Lee eee ence ee ee eeeee 449 milk... 22.2.0 00000 -2e eee eee eee eee eee 609 
Steironema.........--.-.---..-------------- 448 Russian..........--.....------ 2-2-2205 240 
cillatum occidentale. ... . concen eee eee 614 SOW 2 cece cece eee eee eee ee eee eee eee eee 549 
Stellaria......--.------.-2--------------+---- 257 | Thlaspi........---.--- coe eee cece eee eee eee ee 305 
Stenanthium.................--..- Lecce eee 197 | Thornapple..........--------------+-++++---- 346 
Stenotus 0.2.2.2. eee 560 | Thrift.............-.-----.------ 2-22 ee eee 449 
Steptoe, definition of term...........-.....- 26) Thuja.........-..-.-- 2-2-2 esse eee ee ee eee e eee 91 
Steptoe Butte, description................. 26 | plicata..........2.-0- 22-20 pees eee eee eee 71 
Sticky laurel. .........---.-----------+2++--- 51 | Thysanocarpus... .......----------+--++-+-+- 306 
Stipa... 222.0060. 2 eee eee ee eee eee ees _. 107-109 | Tiarella...........2---.-. 2222+ ee eee eee ee eee 317 
Stonecrop.........---- +2. 220-20 eee eee ee eee 308 | Tillaeastrum.........-- cece eee ee eee eee eee 308 
family ........-.-22.--.-0-2-2- 2-0-2 - eee 308-310 | Timber, distributional peculiarities........ 35 
Strawberry......... ween cece e eee eeees 340 | Timothy...........--------------- +2222 2-25 lll 
Streptanthus.............-----------++++--- 206 | Tissa..........-------- 2-2 eee eee eee . 263 
Streptopus..........-.-------.--- jcc eee eee 201 | Tobacco root........---------+-+------++- -. 532 
Struthiopteris.............-.-..--------+-+- 79 | Tofieldia.................-.-.--------------- 196 
Suaeda......--.. 0002222222220 2 eee eee eee 240 | Tolmie, botanical work in Washington..... 4 
Subularia..............--.--22-.-----------+-- 303 | Tonella...........-------------2-2---- 2-220 496 
Sugar bowls. .....-..-.------------------+-+ 266 | Townsendia......--...-.-....-2-----------5- 563 
Sugar pine, discovery by Douglas.......... 13 | Torwodendron............----.--2-+2+---+--- 384 
Suksdorf, W. N........--.----------22---+-- 6 | Tragopogon.............---------++++-+++-- 539 
botanical work in Washington.......-- 18 | Transition floras, arid and humid com- 
Sumac... ......-22. 000-220-022 e eee eee eee 383 | pared........--...------- +2 ee eee eee eee 53-58 
Sundew............------------- Lec eeeeeee 46,307 | Trautvetteria.............-.-.-.-------+--- 269 
family .........-.....-----------0----5-- 307 | Trees, Canadian zone........-.------------- 59 
Sunflower. ..............--2--------2+--2++5+ 48, 582 distributional peculiarities....-........ 35 
black.....2.....--------------22--ee ee eee 49 humid transition, comparisons. ..... 53, 54, 55 
Sunshine. Weather Bureau, statistics....... 29 | Upper Sonoran, list.-.---.----------+--- 38-39 © 
Sweet gale........0 22.2.2 ---- 22-222 eee eee 46,217 | Trefoil, yellow.........-.-...+------------ .. 863 
family.......2...--------- lee e ee eee eee 217. Trichostema.........--...-----+---+---++-+--> 487 
Sweet vernal grass..............--- Lecce 106 | Trientalis..........2.....-222220- 2022 ee ee eee 447 
