INDEX 



[454 



References to the Flora are in brackets 



Spike-rush 



flat-stemmed 



needle 



slender 



swamp 



pale 



SPINOSAE 18, 



Spiraea dumosa [147 



Spleenwort [51 



Andrews's [51 



maiden-hair [51 



SPONDIACEAE [167] 



Sporobolus 63. 



airoides 15, 63 



asperifolius 15, 63 



cryptandrus 15, 63 



cuspidatus [61 



depauperatus 61 



heterolepis 15, 63 



simplex 62 



Spring beauty 114 



large-rooted 114 



rosy 114 



water 114 



Chamisso's 114 



Spruce 24,31,38,39,40, 53 



blue 53 



Douglas 24,25, 53 



Engelmann 36, 39, 53 



Spurge 44, [164 



Arkansas [165 



Fendler's 164 



mountain [165 



nettle 164 



ridge-seeded 164 



rugulose-seeded 164 



stout 165 



thyme-leaved 164 



toothed 166 



warty 166 



white-flowered 164 



SPURGE FAMILY 163 



Squawweed 34 



Squirrel-tail grass [77 



Stachys [206 



scopulorum 11, [206 



Stanleya 135 



glauca 15, 135 



Stanley's cress, glaucous [135 



Star-flower [229 



annual 229 



spinulose 229 



Star thistle 255 



Starwort [115], 233 



James's 115 



Lake Baical 115 



water 10, 166 



State flower of Colorado.. . . 40, 119 



Steironema 188 



ciliatum 21,23, 188 



Stellaria Jamesiana 115 



longifolia 115 



longipes 115 



media 115 



stricta 115 



umbellata 115 



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 115 



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 



Stylo santhus laciniatus [238 



Suaeda depressa [1 



depressa erecta [Ill 



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 



