178 Plants collected during a journey 



spicis laxis, paucifloris, brevi-pedunculatis ; bracteis ovatis, 

 calyce brevioribus ; calycibus plumoso-villosis. 



Desc. Stem suffruticose, much branched, smooth (not tuberculate.) 

 Leaves pinnate, with a terminal k-aflet; petiole smooth, with subulate sti- 

 pules at the base ; leaflets 4-5 pairs, cuneate, thick, glandular beneath, 

 retuse, on very short partial petioles, each furnished with a very minute 

 bract. Spikes 6-10-flowered, terminating the branches, on short peduncles. 

 Flowers large and showy, bright purple, sessile. Brads ovate, shorter than 

 the calyx, silky on the margin. Calyx campanulate; segments subulate, 

 plumosely villous, glandular. Carina roundish, shorter than the wings. 

 Stamens 10, monadelphous. 



Hab. Od the Platte, with the two preceding species. 



Obs. Allied to D. tuberculata of Lagasca and De Can- 

 dolle, but differs in its smooth stem and branches, and loose 

 few-flowered spikes. It is an elegant plant. 



87. Clycyrrhiza lepidota, JYutt. gen. ii. p. 106. DC. 

 prod. ii. p. 247. On the Platte, 200 miles above its conflu- 

 ence with the Missouri. Root large, long, spreading horizon- 

 tally to a great distance. Taste bitter and nauseous. Leaves 

 often viscid. 



88. Amorpha fruticosa, L. DC. prod. ii. p. 256. On 

 the Missouri and Platte, to the Rocky Mountains. "This 

 is almost the only woody plant which is found on many exten- 

 sive tracts of the plain country, above the Platte." James. 



89. A. canescens, Nutt. gen. ii. p. 92. DC. prod. ii. 

 p. 256. On the Missouri, and on the Platte to its sources. 

 A small, but elegant shrub. 



90. Robinia Pseudacacia, L. DC. prod. ii. p. 261. 

 On the Canadian. 



91. Oxytropis Lamberti, Pursh fl. ii. p. 740. Nutt. 

 gen. ii. p. 98. DC. prod. ii. p. 275. On the Missouri and 

 Platte. 



92. Astragalus Laxmani, Jacq. I. DC. prod. Ii. p. 

 287. Nutt. gen. ii. p. 99. 



93. A. mollissimus, subacaulis, erectus, undique sericeo- 



