First Report on the Flora of Wyoming. 133 



Xanthium Canadense, Mill. Card. Diet. Ed. 8, No. 2 (1768). 



Not frequent; Cheyenne, August 9, 1891, B. C. Buffum ; Platte 

 River, July 14. 1S94 (No. 485). 

 Gymnolomia multiflora, Benth. & Hook. Rothr. Bot. Wheeler Surv. 

 160 (1876). 



Only from Snake River thus far, August 21, 1894 (No. 1064). 

 Rudbeckia hirta, L. Sp. PI. 907 (1753). 

 Common throughout the state. 



Specimens from Cheyenne, Laramie, Big Muddy Creek, and 

 Cummins, (Nos. 600, 1144, 1459). 

 Rudbeckia laciniata, L. Sp. PI. 906 (1753). 



Common on streams in eastern part of the state. 

 Cottonwood Canon, August 5, 1895 (No. 1575). 

 Lepachys columnaris, T. & G. Fl. N. A. ii, 314 (1842). 



This and the following variety are common on the plains and 

 hills about the Platte 



Uva, July 10, 1894 (No. 386). 



Lepachys columnaris pulcherrima, T. & G. 1. c. 



This form maintains itself pretty uniformly in given areas, so 

 seems entitled to varietal name. 



Willow Creek, July 20, 1894 (No. 570). 



Balsamorrbiza sagittata, Nutt. Trans. Am. Phil. Soc. vii, 349 (1841), 

 Occasionally growing in the greatest profusion in dry, stony 



ravines. 



Laramie Hills, by B. C. Buffum, June 24, 1892; June 9, 1894 



(No. 213). 



Balsamorrhiza macrophylla, Nutt. Trans. Am. Phil. Soc. vii, 350 

 (1841). 



Very rare, but one specimen found. 

 LInion Pass, August 10. 1894 (No. 921). 



Wyethia amplexicaulis, Nutt. Trans. Am. Phil. Soc. vii, 349 (1841). 

 Infrequent; Laramie Hills, June 21, 1891, B. C. Buffum; Union 

 Pass Hills, August 11, 1894 (No. 816). 

 Belianthus annuus, L. Sp. PI. ii, 904 (1753). 

 A common weed in some locahties. 



Cheyenne, August 11, 1891, B. C. Buffum; Fairbanks, July 12, 

 1894 (No. 432). 



