198 



INDEX. 



PAGE. 



Wood-Rush 163 



Wood-Sage 102 



Wood-Sorrel 27 



Wood-Sorrel Family 27 



Woodwardia 177 



Worm-seed Mustard 15 



Wormwood ... 70 



Xanthium 



Yam, 



69 



157 



PAGK. 



Yam Family i:>7 



Yarrow 80 



Yellow Adder's-tongne l<>2 



Yellow Pond-Lily !) 



Yellow Puccoon G 



Yellow-Rattle 09 



Yew 142 



Zanthoxylum 28 



Zizia '... r,r, 



Zygadenus 160 



