156 



26. Menispermum Canadensis, Linn. Most abundant in the lime- 



stone regions to Council Bluffs; seen rarely on wooded 

 banks to the Yellow-stone. 



27. Berheris aquifoUum, Pursh. A very abundant shrub in the 



Laramie range of hills and Black Hills. 



28. Podophyllum peltatum, Linn. Abundant along the lower part 



of the Missouri river, gradually ceasing at the mouth of the 

 Platte. 



29. Nelumheum luteum, Willd. Lower portion of the valley of 



the Platte, and on the broad, wet bottoms about Omaha 

 city. It is noAv quite rare on account of the great use of 

 both roots and seeds for food, by the Omaha, Otoe, and 

 PaAvnee Lidians. 



30. Nyniphea odorafa, Sit. Found by Dr. Cooper in Kansas. 



3L Argemone Ilexicana, Linn. Found only at Bellevue, Ne- 

 braska Territory; fine yellow flowers. 



32. Argemone Jdsjyida, Gray. Bad Lands, White river, Loup 

 Fork, Fort Laramie. 



38. Samjuinaria Canadensis, Linn. Rich woods about Council Bluffs. 



34. Corydalis aurea,, Willd. Not seen on the bottoms to moun- 



tains. 



35. Dicentra cuccidlaria,J). C. Li shady woods to mouth Big Sioux. 



36. Nasturtium ptalnstre, D. C. Not uncommon to mountains. 



37. Nasturtium ohtusum, Nutt. On the upper Missouri and Yellow- 



stone. 



38. Nasturtium siniiatum, Nutt. Fort Clark, Upper Missouri. 



39. Nasturtium sesilijlorum, Nutt. Along Missouri. 



40. Nasturtium limosum, Nutt. Along low bottoms near to Council 



Bluffs. 



41. Dentaria laciniata, Muhl. Shady woods around Council Bluffs. 



42. Nasturtium calycinum, Engelmann nov. sp. 



Annuum erectum seu diffusum, hirsutulum ; folis caulinis anguste 

 oblongis sinuatis seu subpinnatifidis basi auriculata arete sessilibus 

 vel semi amplexicaulibus; racemis confertifloris demum elongatis; 

 pedicellis flore flavido et silicula ovoidea acuta parva hispidula cum 

 stylo gracilis vix longioribus; calyce persistente. 



Sandy bottoms of the Yelloicstone river, Fort Sarpy to Fort Union. — 

 In aspect as well as in the style, (fully a line long on a silicle 1^ line 

 in length,) this species resembles some vcsicariae, but the numerous 

 seeds are those of a nasturtium. The stem is about a foot high, often 

 much branched and diffuse. The ovate lanceolate acutish sepals 

 commonly persist until the valves of the pod have fallen. The 

 pubescence of the pod consists of very short and pointed thick-based 

 simple hairs. (A. Gray.) 



43. Arahis Canadensis, Linn. Common along Missouri to Fort 



Union. 



44. Arahis hirsufa. Scop. Fort Union and Bad Lands. 



45. Arahis laevigata, D. C. Shady woods to mouth of Platte. 



46. Arahis dentata, Torr. and Gray. Council Bluffs. 



47. Sisymbrium canescens, Nutt. Fort Pierre and Yellowstone. 



