INDEX. 



305 



Page. 



Shepherdia 195 



Shepherd's Purse. 24 



Sherardia 100 



Shield's Fern 262 



Shin-leaf 1.13 



Shrubby Trefoil 43 



Sickle-pod 20 



Sicyos 85 



Side-saddle Flower 13 



Silene 33 



Silphium 131 



Silver-weed 69 



Sisymbrium 22 



Sisyrinchium '..,.. 236 



Sium 91 



Skullcap 186 



Skunk Cabbage 218 



Smart- weed 190, 191 



SMILACE JE 237 



Smilacina 241 



Smilax 237 



Smilax Family '. ! 237 



Sneeze-weed 126 



Sneeze-wort '...;... 131 



Snowberry 96 



Soapberry Family 47 



Soapwort 32 



SOLANACEJE 174 



Solanum 175 



Solea 28 



Solidago 117 



Solomon's Seal 242 



Sonchus 134 



Sorrel 192 



Sour-gum Tree 94 



Sow Thistle 134 



Sparganium 220 



Spearmint 163 



Spearwort 6 



Specularia 137 



Speedwell 153 



Spergula '.'. 37 



Spergularia ■ 36 



Spice-bush 193 



Spikenard 92 



Page. 



Spindle-tree , . . . 46 



Spiny Clotbur Ill 



Spiraea 64 



Spiranthes 231 



Spleenwort 2S0 



Spotted Cowbane 91 



Spring-Beauty ' 37 



Spring Cress 19 



Spruce 215 



S[iurge 196 



Spurge Family 195 



Spurred Gentian 177 



Spun'ey 37 



Squaw- Huckleberry 141 



Squaw-root l.'iO 



Squaw-weed 115 



Squirrel-Corn 15 



Stachys 167 



Staff-tree 46 



Staff-tree Family 46 



Staphylea 47 



Star-Cucumber 85 



Star-Flower 146 



Star-Grass 236 



Star-Thistle 110 



Starwort 3t, 121 



Statice 144 



Steironema 117 



Stellaria 34 



Stickseed MS' 



Stitchwort 34 



Stone-crop 78 



Stone-root 164 



Stork's-bill 42 



Stramonium 1T6 



Strawbeny 69 



Strawberry Elite 18.i 



Streptopus 241 



Strophostyles 59 



Struthiopteris 264 



Suseda 187 



Succory 132 



Sugar-berry 200 



Sumach 41 



Summer Savory 164 



