304 



INDEX 



Smilax — continued 



Bona-nox 31 (fig.). 32 



glauca 30, 31 (fig.) 



hispida 31 (fig.), 33 



rotundifolia 29, 31 (fig.) 



Smooth 



Hydrangea 86, 88 



Storax 242 



Sumac col. pi. facing 152, 



156, 158 



Snowballs 255 



Snowbell, American. . . .242, 243 



Snowbells 242 



Snowberry 265 



Snowdrop Tree 240 



Soft-Leaved Arrowwood . 



262, 264 



Sorbus 129 



subvestita 129 



Southern 



Blackhaw 258, 259 



Buckthorn 237, 239 



Species, Excluded 8 



Speckled Alder 4, 67 



Spicebush 83, 85 



Hairy 85 



Spicebushes 83 



Spiceweed 83 



Spikenards 210 



spinosa, Aralia 211 (fig.) 



Spiraea 101 



alba 100 (fig.), 102, 103 



latifolia 103 



tomentosa 100 (fig.), 102 



Spirea 



Meadow 4, 102 



Thunberg 102 



Spireas 101 



Spotted Alder 97 



Staff -Tree Family 166 



Staghorn Sumac 154, 156 



Staphylea 173 



trifolia 173, 174 (fig.) 



Staphyleaceae 173 



Stark County 44 



Starved Rock. . . . 5, 26, 88, 156, 

 166, 229, 232, 235, 261, 273 



Steeplebush 102 



stolonifera, Cornus. 



217, 218 (fig.) 



Storax 



Downy 243 



Family 239 



Smooth 242 



strigosus 



Rubus 107 (fig.), 109 



Rubus idaeus 110 



Styracaceae 239 



Styrax 242 



americana 241 (fig.), 242 



pulverulenta. . .241 (fig.), 243 

 submollis, Sambucus cana- 

 densis 253 



subsericea, Salix...55 (fig.), 56 



subvestita, Sorbus 129 



succulenta, Crataegus 137 



suffulta, Rosa. . . . 126 (fig.), 127 



Sumac 4 



Family 153 



Fragrant 159 



Poison 5, 158 



Shining 154 



Smooth. . . col. pi. facing 152, 

 156, 158 



Staghorn 154, 156 



Swamp 158 



Sumacs 153 



Summer Grape 186, 188 



susquehanae, Prunus pumila 143 

 Swamp 



Dewberry 116 



Holly 162 



Privet 6, 244, 245 



Privets 244 



Rose 120, 121 



Sumac 158 



Sweet 



Buckeye 177 



Gale 60 



Family 59 



Winter Grape 188, 190 



Sweetfern 5, 59, 60, 61 



Sweetspire 90 



Symphoricarpos 265 



