826 



METASPERMAE OF THE MINNESOTA VALLEY. 



Y 



Ymnostemma Neck 497 



Youngia Cass 567 



Z 



Zahlhrucknera Eeich 274 



Z'inichellia Linn 39 



Zanichellia geniculata GiLiB. . 39 



luacroslemon G. W. L.. 39 



m;i jor Hngh 39 



ZanicheUia jjahc^^tris Linn 39 



Zanichellia radicans Wallm. . 39 



repens Bngh 39 



Zanthoxyleao Endl 336 



Zanthoxyhim Linn 337 



aniericanuni Mill 337 



Zanthoxyluni fraxineum 



VViLLD 337 



rami folium Miciix 337 



tricarpum Hook 337 



Zeocriton Beauv 86 



secalinum Beauv 87 



Zerobotrys Nutt 408 



Zietinea Gled 445 



Ziguden its M iciix 1 44 



ZiL'adenus chloranthusRiCH. . 144 



Zigadeniis elegans PuusH J 44 



Zigadenusglaucus Hook 144 



virginicus KuNTH 145 



Zjzajn'a Linn -. . 53 



aquatica Linn 53 



Zizania clavulosa Michx 53 



— palusttis Linn 53 



Zizaniopsis Doell. and Asch. 53 



Zizia Koch 394 



aurea Koch 394 



cordata Kocn 393 



Zizia integerrima DC 395 



Z' )steraceae 33 



Zosterospermon Beauv 104 



Zygadenus see Zigadeous 



