572 



INDEX. 



Xyns flexiiosa ii. 334 



Jwpacai- - 334 



Yam ii. 292 



Yam Tribe ii. 292 



Yard Grass iL 447 



Yarrow i. 392 



Yellow Clover i. 170 



Yellow Plum i. 194 



Yellow Poplar i. 29 



Yellow Puccoon i. 26 



Yellow Eocket i. 52 



Yellow-eyed Grass ... ii. 333 

 Yellow-eyed Grass Tribe, 333 



Yellow-root i. 25, 26 



Yew ii.236 



Page. 



Yew Tribe ii.236 



Zannichellia ii. 252 



intermedia 253 



palustris 253 



Zanthorhiza i. 25 



apiifolia 25 



simplicissima. . 25 



Zanthoxylum i. 132 



Americanum . . 132 



Clava-Hereulis, 132 



fraxineum 133 



mile 133 



ramijlorum ... 133 



iricarpum 133 



Zenohia racemosa i. 436 



Page. 



Zizania -. ii. 416 



aquatica 416 



clavulosa 416 



ZiziA i.270 



aurea 271 



cordata 270 



integerrima 271 



Ziziphora Mariana . . ii. 66 



Zostera il.251 



marina 251 



Zygadenus ii. 315 



chloranthus 315 



commutalus 315 



glaucus 315 



Vlririnicus 316 



ENP OF VOL. II. 



