424 Index 



Silver-rod 343 



Sisyrinchium 73 



" Slum cicutaefolium 229 



Skullcap 291 



Skunk Cabbage 29 



Smartweed 103 



Smilacina 49 



Smilax 57 



Snakeroot, Virginia 101 



Sneezeweed 383 



Snow-on-the-Mountain 195 



Soapwort Ill 



Solanum Dulcamara 299 



nigrum 299 



Solidago bicolor 343 



caesia 343 



" canadensis 345 



" juncea 345 



graminifolia 347 



Solomon's Seal, False 49 



" True 55 



Sonchus oleraceus 399 



Sorrel, Sheep 103 



Wood 185 



Sparganium eurycarpus 21 



Specularia perfoliata 331 



Speedwell 311 



Spiderwort 31 



Spigelia marilandica 261 



Spikenard 49 



Spirea tomentosa 153 



salicifolia 153 



Spring Beauty 115 



Spurge, Cypress 195 



Squirrel Corn 139 



Stachys . palustris 295 



