242 Plants collected during a journey 



about 20-flowered, campanulate, with lanceolate obtuse teeth. Florets 

 distinctly pedicellate. Calyx very smooth ; segments obovate-oblong, 

 obtuse, narrowed at the base. Stamens 9. Seed acutely triangular. 



Hab. With the preceding. 



Obs. Flowers larger than in E. tomentosum. It is re- 

 markable that Humboldt and Bonpland did not observe any 

 species of Eriogonum in Mexico, as they abound, according 

 to Dr. James, about the sources of the Canadian. 



LAURINE^. 



392. Laurus Sassafras, L. Pursh ft. i. p. 277. On 

 the Arkansa, near the junction of the Canadian. 



ELEAGNE^. 



393. Shepherdia argentea, Nutt. gen. ii. p. 240. 

 Hippophae argentea, Pursh f. i. p. 115. On the Platte. 



ARISTOLOCHLE. 



394. Aristolochia, n. sp. ? caule volubili, la3vi, glabro ; 

 pedunculis unifloris ; foliis subcoriaceis, subrotundis, corda- 

 tis, brevi acuminatis, supra glabris, subtus toinentosis. 



Hab. On the Canadian. 



Obs. The only specimen of this plant was in fruit. The 

 leaves are large, and the capsule two inches in length. 



CUCURBITACE^. 



395. Sicyos angulata, L. JVilld. sp. pi. iv. p. 605. 

 On the Missouri. T)r. Baldivin. 



396. Cucumis ? perennis, James in Long's exped. ii. 

 p. 20. Cucurbita fcetidissima, Kunth syn. ii. p. 429 . ? 



Desc " Root fusiform, somewhat ligneous, from 4-5 inches in diame- 

 ter, descending from 4 to 6 feet perpendicularly into the earth. Stems her- 

 baceous, numerous, procumbent, sulcate. Leaves alternate, on long 



