96 Wyoming Experiment Station. 



Astragalus bisulcatus, Gray, Pac. R. Rep. xii, 42 (1860.) 



A very common species on the plains and in the foothills; Lara- 

 mie, June 19, 1894 (No. 266); Garfield Peak, July 29, 1895 (No. 

 682); other numbers are 1316 and 1435. 



Astragalus Canadensis, L. Sp. PI. 757 (1753). A. Carolinianus, L. 

 Possibly confined to the eastern part of the state. 

 Lusk, July 21, 1894 (No. 582); Laramie Peak, August 7. 1895 

 (No. 1597). 

 Astragalus caryocarpus, Ker. Bot. Reg. t, 176 (1816). A. crassicar- 

 pus, Nutt. 



Infrequent; on the Laramie plains and on the east slopes of the 

 Laramie range. Pole Creek, June 2, 1894 (No. 162); Laramie, 

 June 25, 1894 (No. 201). 



Astragalus convalarius, Greene. 



I am unable to cite the publication of this; the name was com- 

 municated by Prof. Sheldon; probably rare; Union Pass, August 

 10, 1894 (Nos. 743 and 869). 



Astragalus Drummondii, Dougl. Hook. Fl. Bor. Am. i, 153 (1833). 



Frequent in the foothills throughout the state; Pole Creek, June 



2, 1894 (No. 86); Upper Wind River, August 10, 1894 (No. 763). 



Astragalus flexuosus, Dougl., in Don. Gen. Syst. Gard. and Bot. ii,. 

 256 (1832). 



On wet, fertile creek banks; Chugwater, July 7, 1894 (No. 422); 

 Pole Creek, July 1, 1895 (No. 1352). 



Astragalus frigidus Americanus, Watson, Index, i, 193. 



Very rare; South Fork, Crazy Woman Creek, August 7, 1892, B. 

 C. Buffum. 

 Astragalus giganteus, Sheld. Bull. Minn. Geol. and Nat. Hist. Surv. 

 ix. 65 (894). 



Infrequent; Bald Mountain, August 15, 1892; Green River, 

 August 26, 1894 (No. 1047). 



Astragalus hypoglottis, L. Mant. ii, 274 (1771). 



Frequent and abundant in wet meadows and along streams in 

 our whole range. Saratoga, July 6, 1891; Meadow Creek, August 

 9, 1894 (No. 815). Fine specimens with ohroleucus flowers were 

 obtained at Meadow Creek, August 9, 1894 (No. 775). 



