17(5 XATUEAL HISTOEY BULLETIN 



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I I III IV V VI 



Aster laevis L cE eJ eH e cJ 



Aster multiflorus exiguus Fernald c c c c eJ cM 



Aster novae-angliae L c c eH cJ c cM 



Aster oblongifolius Xutt cL c eJ — cM 



Aster ptarmicoides (Nees) T. & G cE cL cL fW — fM 



Aster sericeus Yeut c c c c — cM 



Astragalus canadensis L c — cH — eJ cH 



Astragalus caryocarpus Ker c cL c — 



Astragalus distortus T. & G — — — eM 



Astragalus lotiflorus Hook — e — 



Astragalus plattensis Xutt cH — — 



Baptisia bracteata Ell e 



Baptisia leucantha T. & G 



Bouteloua curtipendula (Miehx.) Torr..cS 



Bouteloua hirsuta Lag dS 



Braunerla angustifolia (DC.) Heller c 



Brauneria pallida (X^utt.) Britt 



Cacalia tuberosa X^utt e 



Carex Bicknellii Britt cE 



Carex cephalophora Muhl 



Carex festucacea Schk 



Carex gravida Bailey cS 



Carex pennsylvanica Lam 



Cassia chamaecrista L cS 



Castilleja coccinea (L.) Sijreug 



Castilleja sessiliflora Pursh c 



Ceanothus americanus L c 



Ceanothus ovatus pubescens T. & G — 



Cenchrus carolinianus Walt 



*Clienopodium album L — 



Chenopodium leptophyllum Xutt 



Chrysopsis villosa (Pursh) X^utt — — c — — 



Cirsium altissimum L cS c — — eJ eM 



Cirsium discolor (Muhl.) Spreng cS cH cW — 



* Introduced. 



