BOTANY OF THE KOUTE. 41 



Nasturtium palustre, DC. 



Nasturtium obtusum, Nutt. 



Nasturtium limosum, Nutt. 



Arabis hirsuta, Scop. 



Stsimbrium canescexs, Nutt. A nearly glabrous varietj'. 



Erysimum cheiraxthoides, Liun. 



Erysimum asperum, DC. 



Stanleya integrifolia, James. Without much doubt this is a more state of *S'. pinnatifida. 



Stanleya pinnatifida, Nutt. 



SiNAPis NIGRA, Linn. (Introduced.) 



Capsella bursa-pastoris, DC. 



Lepidium Virginicum, Linn. 



Lepidium intermedium, Gray, PI. Wright. 



Draba micrantha, Nutt. 



Cleome integrifolia, Torr. & Gray. 



Viola cucullata, Ait. 



Viola palmata, Linn. 



Viola Canadensis, Linn. 



Elodea Virginica, Nutt. 



McEHRixGiA lateriflora, Feuzl. 



Cerastium arvense, Linn. 



Cerastium mutans, Raf. 



Malvastrum coccineum. Gray. One hundred miles above Fort Pierre. 



LiNUM perenne, Linn. 



Linum rigidum, Pursli. 



Geranium maculatum, Linn. 



OxALis viOLACEA, Linn. 



Oxalis corxiculata, Linn. 



Zanthoxylum Americanum, Mill. 



Rhus toxicodendron, Linn. 



Rhus aromatica. Ait. White river, Nebraska. 



Ampelopsis quinquefolia, Michx. 



Ceanothus ovalis, Bigel., var. 



Staphylea trifolia, Linn. 



Negundo aceroides, Moeuch. 



POLYGALA ALBA, Nutt. 



ViciA Americana, Muhl. 

 Lathyrus linearis, Nutt. 

 Lathybus polymorphus, Nutt. 

 Lathyrus tenosus, Muhl. 

 Amphicarpa monoica. Ell. 

 Glycirrhiza lepidota, Nutt. 



PSORALEA LANCEOLATA, Pursh. 



PsoRALEA argophylla, Pursh, and var. decubens. Less silvery and silky -hirsute; stems 

 slender, decumbent or diffuse; stipules mostly near equalling the short petiole; leaflets ellip- 

 6 t 



