[ 1 ] 134 



ANACARDIACEiE. 

 Rhus toxicodendron, Linn. Bank oftlie Missouri. June. 58. 



MALVACEiE. 



Malvastriim cocciticnm. Gray. PL FcndL p. 34, and Gen JlLt. 2ld. {Sida coccinea, Nutt.) 

 Dry soil, near the inuuth of the Vellowstone. June 15. b'O. 



VITACE2E. 

 Vitis riparia, Afic/^x. Banks of the Missouri. June. G5. 



POLYGALACE^. 

 Tolygala alba, Nutt. (P. Beyrichii, Torr Sf Gr.) Opposite Fort Lookout. 110. 



LEGUMINOStE. 



Vicia ain'^rlcana, MnhL Comm m .-ilon^ the i\!issoiiri, above Fort Pierre. 10.5. 



Lalhyriis linearis, j\m/<. L5:iiiks of the Missouri ; frequent. 17.95. 



Latliyrus |iolyuiorphiis, A'w//. Ver\ ;iliniiflarit on hills and low pKiiiiuis. Fragrant. ]\!ay. 12. 



Am irplia nana, .\«». (Joninion aniiind Fort Pierre ; 18 inches lo two feet high. May. 38. 



Dalea (undetermined.) Siiieji.ttfr. Hank of the Missouri. June. ()"2. 



Psorale I esculenla, /-"rtrs/i. '' Prairie turnip.' Near Fort Pierre. May. 42,43,08. 



Astrag.il ns caryocarpus, /Ctr. Hinnfr (Joinmon. May. 24. 



Astragalus raceinosus ? Pitrsh. Flk Horn Prairie. June 18. 93. 



Astragalus (uniieiermined.) June 20. lOl). 



0.\ylro|)is l.and)erlii, Piirah. Dry hills on the prairie. May 16. 8, 84. 



Pliaca negleuta / Turr Sf Gr. (^specimen iniporfect ) Near Fort Lookout. June 29. 111. 



Tlier iiopsis ihomlnfolia, Nutt. On ihe .Missouri above Fort Union. 92, 



Lupinus pusillus, Fursli. Upper Missouri. 88. 



ROSACE.i:. 



Pruiius aniericana, il/ffrs/iflW. Mid(jle of May. 14. 



Potentilla pennsylvanica, Linn, Low grounds; one iiundred and twenty miles above Fori 

 Union. June 19. 96. 



Poienlilla anserina, Linn. Above Fort Union, 97. 



Rosa blanda, Alt. Low grounds and woods; forty miles above Fort Union; very abundant. 

 June 17. 101, 102. 



ONAGRACEiE. 



^'Enoihera ccesp'tosa, Nutt. Very common on the .sides of barren hills, near Fort Pierre. 

 End of .May. 3J. 



(iaura cocci nea, A'«H Hills near the river, atove the mouth of ihe Yellowstone. June 15. 

 79, 89. 



Gaura (undetermined.) Perhaps a variety of G. coccinea, A'^uti. Near Fort Pierre. June 49. 



grossulariace.t:. 



Ribes aureum, P«*-.s/j. Bank of the ftlissonri, near Fort Pierre. May. 15,69. 



UMBELLIFERiE. 

 Nos. 1, 7, and 46, (in fruit,) (undetermined.) 



CORXACEiE. 

 Cornus stolonifera, Aliclix. Abundant on llie banks of the Missouri. 51, 85. 



CAPRIFOLIACEiE. 



Symphoricarpus, (fuLj Wet grounds along the Missouri. GO, 70, 99. 

 Viburnuui lentago, Linn. Abundant on liie .Missouri. 74. 



RUBIACE.S:. 



Gahum boreaie, f^inn. Dry bank on the Missouri fifty miles below the mouth of the YelioW' 

 stmu. June. 81. 



