INDEX. 



791 



Page. 



Sensitive brier 330 



Sericotheca 310 



Service berry 322 



Seseli 485 



Sesleria 83 



Sesuvium 229 



Selaria , 60 



Shad scale 204 



Sheep sorrel 191 



Sheepweed 658 



Shinhcrdia 458 



Shepherd 's-purse 273 



Shinleaf 488 



Shinnery oak 172 



Shin-oak 172 



Shoestrings 349 



Shooting star 492 



Shrubby cinquefoil 316 



t re foil 388 



Sibbaldia 315-316 



Sieydium 615 



Sieyos 014 



Sida 418,419,423,424, 425-426 



Sidalcea 418 



Sidanoda 427 



Siderant bus 663-665 



Sieglingia 90, 91 



Sieversia 316-317,8/S 



Silenaeeae 240-242 



Silene 241-242 



Simarubaeeae 390 



Simsia 712 



Sim pis 281 



Sisymbrium 284, 285-280,2S7 



Sisyrinchium 147-148 



Sitanion 107-108 



Sit i! las 624 



Sium 479 



Six-weeks grama 86 



needle grass 63 



Skullcap 555 



Skunk cabbage 128 



Sleepy catchfly 241 



grass 67 



Slender foxtail 74 



wheat grass 105 



Slough grass 84 



Small, J. K 11 



Smart weed 195 



Sinilacina 139 



Bmooth scouring rush 28 



Snake* eed 056,058 



Bneeseweed 736,783 



Bun berry 610 



Snow-on-thc-mmm! ain 396 



Boap, substitute 136 



Soapberry 412 



family 412 



Boapweed 136 







tm 







Solomon's seal 1 18 



Mac 1 18 



Banchaa 022, 823 



•■: 



Page. 



Sophora 339 



Sorbus 324 



Sorghastrum 52 



Sorghum 52 



Sorilla 390 



Sorrel, mountain 190 



sheep 191 



Sotol 138 



Southern Canary grass 61 



Sow thistle 623 



Speargrass, low 99 



Spearmint 554 



Spectacle-pod 269 



Specularia 616-017 



Speedwell 588 



alpine 589 



purslane 589 



thyme-leaved 590 



water 589 



Spergula £S8 



Spermacoce 606 



Spermatophyta 30-753 



Spermolepis 478-479 



Sphaeralcea 420-424 



Sphaerostigma 465 



Sphenopholis 92 



Spiderwort 126 



family 125-126 



Spike rush 112 



Spiny aster 686 



Spiraea. $09, 310, 321 



Spirodela 124 



Spirostaehys £01 



Spleenwort 24 



Sporobolus 71,74, "5-77 



Sprangle 83 



Spring beauty 233 



Spruce 33 



Colorado blue 34 



Douglas 35 



Engelmann 34 



Spurge 397 



family 393-405 



Squaw root 599 



Squirrel-tail grass 107 



Stachys 565-566 



Staff-tree family 409-410 



Standley, Paul C, botanical work in New 



Mexico 5 



Stanleys 266-267 



Stanleyella 267 



Star t histle 749 



Starwort 235 



water 405 



State flower of Colorado 248 



StHtict 490 



Btegnooarpaa 536 



Bteironema 491 



BUUarta j 



sti tuetti 681 



Stanandriiim sag 



mini 187 



Sli'lliilohilllU 801 



Btenopbyllas 11 1 



Btanotoa 666, 6W 



Hit pad wjiiicria 



