INDEX. 



137 



Smilacina stellata 118 



Smilacina trifolia 118 



Smilax herbacea 118 



Smilax rotundifolia 118 



Snakeroot, Black 109 



Snakeroot, White Ill 



Snowberry, Creeping 112 



SOLANACEiE 114 



Solanum dulcamara 114 



Solidago altissima 112 



Solidago arguta 112 



Solidago bicolor 112 



Bolidago caesia 112 



Solidago Canadensis 112 



Solidago juncea 112 



Solidago lanceolata 112 



Solidago latifolia 112 



Solidago nemoralis 112 



Solidago odorata 112 



Solidago patula 112 



Solidago puberula 112 



Solidago rigida 112 



Solidago rugosa 112 



Solidago serotina 112 



Solidago stricta 112 



Solomon's Seal, Common. 118 

 Solomon's Seal, Star-flow- 

 ered 118 



Solomon's Seal, Three- 

 leaved 118 



Sonchus oleraceus Ill 



Sorrel 115 



Sour-Gum 110 



Sparganium simplex 119 



Spearmint 114 



Spearwort 103 



Speedwell, Common 114 



Speedwell, Thyme-leaved. 114 



Spergula arvensis 105 



Spice-bush 116 



Spikenard 110 



Spikenard, False 118 



Spiraea salicifolia 107 



Spiraea tomentosa 107 



Spiranthes cernua 118 



Spiranthes gracilis 118 



Spiranthes praecox 118 



Spruce, Black 117 



Spurge, Common 116 



Spurge, Cypress 116 



Spurrey, Corn 105 



Spurrey, Sand 105 



Starflower 113 



Starwort, Water 109 



Steeple-Bush 107 



Steironema ciliatum 113 



Stellaria borealis 105 



Stellaria longifolia 105 



Stellaria media 105 



Stitch wort, Long-leaved . . 105 



