1899.] 



NATURAL SCIENCES OF PHILADELPHIA. 



39 



Pentstemon diffusus Dougl. 



Camp on the Kooskooskee, 

 May 20, 1806. 



Synthyris reniformis var. major 

 Hook. 



On Hungry Creek, June 26, 



1806. [Does not well agree with 



Veronica reniformis Pursh (ex. 



char.), Fl. 10, for that is said to 



have a creeping stem, opposite 



leaves and alternate peduncles, 



and to have been collected in 



boggy soil on the banks of the 



Missouri.] 



Salvia lanceolata Willd. 



Big bend of Missouri, Sept. 21, 

 1804. [Good specimen]. 



Scutellaria angustifolia Pursh. 



On the Kooskooskee, June 5, 

 1806. 



Oxybaphus nyctagineus Sweet. 



Open plains, Sept. 1, 1804. 

 [Fairly complete.] 



Atriplex canescens James. 



Sept. 21. Big bend of the 

 Missouri, Sept. 21, 1804. 



Atriplex Nuttallii Wats. 



A half shrub from the high 

 plains of Missouri, July 20, 1806. 



flowers as described, but the calyx 

 is not glabrous but pubescent. 

 In all characters shown it agrees 

 well with P. scopulorum Gray, 

 notwithstanding difference in dis- 

 tribution and altitude.] 



S. trichostemmoides Pursh, Fl. 

 19. In open plains on the Mis- 

 souri River. M.Lewis. O. v. s. 

 in Herb. Lewis. 



Pursh, Fl. 412. On the river 

 Kooskooskee. M. Lewis. % , June, 

 v. s. in Herb. Lewis. 



Allionia ovata Pursh, Fl. 97. 

 On the plains of the Missouri. 

 M. Lewis. ©. Aug. v. s. in Herb. 

 Lewis. 



Calligonam canescens Pursh, 

 Fl. 370. In the plains of the 

 Missouri, near the big bend, k ■ 

 July, Aug. v. s. in Herb. Lewis. 



