3o6 



[454 



References to the Flora are in brackets F 1 



Spike-rush 



flat-stemmed 



needle 



slender 



swamp 



pale 



SPINOSAE 18; 



Spiraea dumosa 



Spleenwort 



Andrews's 



maiden-hair 



Spondiaceae 



Sporobolus 



airoides 15, 



asperifolius 15 



cryptandrus IS, 



cuspidatus 



depauperatus 



heterolepis 15, 



simplex 



Spring beauty 



large-rooted 



rosy 



water 



Chamisso's 



Spruce 24,31,38,39,40, 



blue 



Douglas 24,25, 



Engelmann 36, 39, 



Spurge 44, 



Arkansas 



Fendler's 



mountain 



nettle 



ridge-seeded 



rugulose-seeded 



stout 



thyme-leaved 



toothed 



warty 



white-flowered 



Spurge family 



Squawweed 



Squirrel-tail grass 



Stachys 



scopulorum 11, 



Stanleya 



glauca 15, 



Stanley's cress, glaucous 



Star-flower 



annual 



spinulose 



Star thistle 



Starwort [115], 



James's 



Lake Baical 



water 10 



[79] 



[79] 



[79] 



[79] 



[79] 



[79] 



19 



[147] 



[51] 



[51] 



[51] 



[167] 



[63] 



[63] 



[63] 



[63] 



[61] 



[61] 



[63] 



[62] 



[114] 



[114] 



[114] 



[114] 



[114] 



[SZ] 



[53] 



[53] 



[S3] 



[164] 



[165] 



[164] 



[165] 



[164] 



[1641 



[164] 



[165] 



[164] 



[166] 



[166] 



[164] 



[163] 



34 



[77] 



[206] 



[206] 



[135] 



[135] 



[135] 



[229] 



[229] 



[229] 



[255] 



[233] 



[115] 



[115] 



[166] 



State flower of Colorado.. . . 40, [1 19[ 



Steironema [188] 



ciliatum 21, 23, [188] 



Stellaria Jamesiana [US] 



longifolia [US] 



longipes [US] 



media [115] 



striata [US] 



umbellata [US] 



Stephanomeria runcinata [255] 



Stickseed [200] 



cupulate [200] 



large-flowered [200] 



narrow-leaved [200] 



western [200] 



Sticktights 10 



common [244] 



Stiff golden rod, hoary [232] 



Stink-grass [68] 



purple [68] 



Stipa [60] 



comata 15,18,27, [60] 



Lettermannii [61] 



Nelsonii ^ 15,27, [60] 



parviflora Americana [60] 



Scribneri 27, [60] 



viridula 15,18,27, [60] 



Stitchwort, long-leaved [1 15] 



long-pedicelled [115] 



strict [115] 



Stone-crop [136] 



Storksbill [163] 



hemlock [163] 



Strawberry [143] 



American [143] 



bracted [143] 



glaucous [144] 



prolific [144] 



small-flowered [144] 



Streptopus [93] 



amplexifolius 28, [93] 



Stylosanthus laciniatus [238] 



Suaeda depressa [HI] 



depressa erecta [HI] 



SUBALPESTRES 9, 36 



Subalpine flora 9, 23, 36 



Subalpine forest formation 36 



Subalpine stream formation 36, 37 



Subalpine summit flora 37 



Subalpine zone 36 



Subaquatic flora 10 



SUBMONTANAE 9, 23 



Sumach [167] 



cismontane [167] 



fragrant [167] 



three-lobed [167] 



Sunflower 13, [242] 



