INDEX 



337 



Sinapis 



alba 398 



arvensis 398 



Sisymbrium 



altissimum 402 



Nasturtium-aquaticum 948 



officinale 400 



Tall 402 



Thalianum 493 



Sisyrinchium 



albidum 47 



angusti folium 48 



arenicola 49 



atlanticum 50 



gramineum " 50 



graminoides 50 



Sium 



cicutaefolium 550 



Skevish 859 



Skullcap 



Downy 780 



Hyssop 779 



Mad-dog ^^^ 



Marsh 778 



Skunk Cabbage 32 



Sleepy Catch fly 525 



Slender Ladies'-tresses 151 



Vetch 221 



Small Bindweed 213 



Fleabane 861 



Woodbine I95 



Smilacina 



racemosa 83 



stellata 84 



Smilax 



herbacea 131 



Smooth Aster 867 



Snake-mouth 163 



Snake root 339 



Black 544 



Button 827 



Seneca 590 



Virginia 624 



White 811 



Sneezeweed 891 



Snowberry, Creeping 669 



Snow-on-the-mountain 528 



Soapwort Gentian 673 



Solanum 



carolinense 653 



Dulcamara 203 



nigrum 654 



Solidago 

 altissima 



