453] 



305 



References to the Flora are in brackets r 1 



alpestre 35, [95 



angustifolium 14, 35, [95 



Sitanion [78 



brevifolium 15, [78 



longifolium 15, [78 



Skullcap [205 



Britton's [205 



hooded [205 



wand-like [205 



Skunk-bush 20 



Skunk-grass [68 



Small mistletoe [103 



American [103 



hidden footed [103 



Smartweed [107 



water [107 



Smilaceae [94 



Smilacina amplexicaulis [93 



racemosa [93 



stellata [93 



Sniilax lasioneuron [94 



Snakeroot, black [181 



button [226 



Sneezeweed [245 



mountain [245 



Snowberry [221 



western [221 



Snowflower 40, [213 



James's [213 



Snow-on-the-mountain [165 



Boulder [165 



Soapwort [118 



SOLANACEAE [208 



Solanum [209 



interius [210 



Lycopersicum [210 



nigrum villosum [210 



rostratum [209 



triflorum [209 



Solidago [230 



Canadensis 12, [231 



gilvocanescens [231 



concinna [231 



decumbens 32, 42, [230; 



minuescens [230 



djlatata [230 



gilvocanescens 17, [231 



glaberrima 16, [231 



humilis nana [230 



Pattersonii [230 



Missouriensis extraria [231 



mollis [232 



nana 16, [232 



nemoralis incana (232 



oreophila 26, 32, [230 



pallida 19, [231 



Pitcheri 12,29, [231 



polyphylla 29, [231] 



pulcherrima [232] 



radulina 26, [232] 



rigida humilis [232] 



speciosa pallida [231] 



trinervata 26, [231] 



viscidula 26, [231] 



Solomon's seal, false 21, [93] 



Sonchus [259] 



arvensis 45, [259] 



asper 45, [259] 



Sophia [130] 



andrenarum . [130] 



incisa [130] 



intermedia 14, [130] 



leptophylla [130] 



Sophora [152] 



sericea 17, [152] 



Sophora, silky [152] 



Sorbus [151] 



scopulina 25, [151] 



Sorghastrum [ 57] 



nutans 18, [57] 



Sorrel, mountain [105] 



sheep [105] 



wood [163] 



yellow [163] 



Sow thistle [259] 



field [259] 



harsh [259] 



Spanish bayonet [94] 



narrow-leaved [94] 



Spanish needles, western [244] 



Sparganiaceae [55] 



Sparganium [55] 



angustifolium 34, [55] 



simplex angustifolium [55] 



Spartina [66] 



cynosuroides 11, [66] 



Spatter dock, western [125] 



Spearmint [208] 



Special classes of plants 43 



Speculiaria [223] 



leptocarpa [223] 



perfoliata 26, [223] 



Speedwell [214] 



Byzantine [215] 



field [215] 



thyme-leaved [214] 



VVormskjold [214] 



Xalapa [214] 



SPERMATOPHYTA [53] 



Spiderwort [87] 



University.. [87] 



Spiesia Lamberti [159] 



Lamberti sericea [159] 



Spike-grass, marsh [69] 



