46i] 



319 



References to the Flora are in brackets [ ] 



Pennsylvanicum 32, [232] 



speciosum 32, [232] 



Strumariuin [232] 



Xanthoxalis [l66] 



cyinosa [167] 



stricta [166] 



Xanthoxylum [167] 



Americanum [167] 



fraxineum 41, [167] 



Xerophytes 55 



Xylopleurum [183] 



speciosum [1S3] 



Yam [117] 



Yam family [117] 



Yam-root, wild [n?] 



Yarrow [237] 



Zea [85] 



Mays [85] 



Zizania aquatica 20 



Zizia 39, [186], [187] 



aurea 43, 46, [186], [187] 



cordata 52, [1S6], [1S7] 



