172 Plants collected during a journey 



44. N. digitata, Dick. Pawnee villages. 



45. N. involucrata, JVutt. ineil. Valley of the Loup 

 Fork. Root large, soft, and edible. The genus Nuttallia was 

 proposed by Mr. Dick, gardener of the University of Penn- 

 sylvania. 



46. Hibiscus militaris, Cav. DC. prod. i. p. 451. 

 Sandy plains of the Canadian. 



47. H. grandiflorus, Michx. DC. prod. 1. c. On the 

 Arkansa. 



ACERINE^E. 



48. Acer glabrum, foliis subrotundis, 5-7-lobis, basi trun- 

 catis,lobis acute dentatis,utrinque glabris; corymbis peduncu- 

 latis ; fructibus glabris, alis divergentibus, lato-ovatis. 



Hab. On the Rocky Mountains. 



Obs. Leaves on long petioles, green on both sides, very 

 smooth on every part, slightly cordate at the base, 5-7-lobed; 

 the sinuses acute. Umbels on peduncles about half an inch 

 long. Fruit with very broad diverging wings. 



There was but one specimen of this plant in the collection, 

 which was in fruit. The flowers remain to be examined. 



49. A.Negundo, L. Michx. f. arb. ii. t. 16. A. (Negun- 

 do) fraxinifolium, Nutt. gen. i. p. 253. DC. prod. i. p. 596. 

 sub Negundo. On the Missouri, and westward to the valleys 

 within the Rocky Mountains. 



SAPINDACE^. 



50. Sapindus Saponaria, L. DC. prod. i. p. 607. The 

 station of this plant is not recorded. It was probably found 

 about the sources of the Platte. 



51. Cardiospermum Halicacabum, L. DC. prod. i. p. 

 601. On the Missouri, and very abundant on the Canadian 

 200 miles above its confluence with the Arkansa. Dr. James 

 states that it is undoubtedly a native. 



