168 Plants collected during a journey 



£5. Cleome, n. sp. Nutt. rnss. Perhaps a species of Po- 

 lanisia. My specimens are not in fruit. This plant was also 

 found by Mr. Nuttall, in the Arkansa Territory, in 1819. 



VIOLARI^. 



20. Solea concolor, Ging. DC. prod.'i. p.QOG. Viola 

 concolor, Forst. in Lin. trans, vi. p. 309. t. 28. About the 

 lead mines of Missouri. 



27. Ionidium, n. sp. ? (lineare.) I. foliis angusto-linea- 

 ribus, margine minute serrulatis. 



Obs. A solitary and imperfect specimen of this plant was 

 in the collection. 



28. Viola palmata, L. DC. pro d. i. p. 291. On the 

 grassy plains of the Platte. 



29. V. pubescens, Ait. DC. prod. \. p. 301. Council 

 Blufls. 



30. V. tenella, Muhl. cat. p. 25. Tor. ji. i. p. 258. 

 On the Missouri. 



Obs. Plant much larger than the variety which occurs in 

 New-Jersey and Pennsylvania. It appears to be V . tricolor x. 

 arvensis of De Candolle, prod. i. p. 302. 



POLYGALEiE. 



31. Polygala, n. sp.? caule ramoso glabro angulato, 

 foliis linearibus, dissitis, erectis, acutiusculis ; racemis sub- 

 spiciformibus, gracilibus, laxiusculis, carina imberbis. 



Obs. Flowers small, greenish white. The specimens of 

 this plant were imperfect. 



32. Polygala alba, Nutt. On the Missouri. 



33. Krameria lanceolata; plantatota incano-pubescens; 

 foliis lanceolatis acutis villosis ; pedicellis folio subduplo-lon- 

 gioribus, axillaribus. 



Desc. Trunk frutescent ? with spreading branches. Leaves alternate, 

 sessile, lanceolate, half an inch long, entire. Peduncles mostly twice as 



