90 Wyoming Experiment Station. 



Sphseralcea acerifolia, Nutt. T. & G. Fl. N. A. i, 228 (i! 



Not abundant but widely distributed; in open woods at 8,000- 

 9,000 ft. Union Pass, August 10, 1894 (No. 873); Centennial Val- 

 ley, August 17, 1895 (No. 1727). 

 Sphaeralcea Munroana, Spach. Proc. Am. Acad, xxii, 292 (1887). 



Laramie, September i, 1893; Sheridan Experiment Farm, Sep- 

 tember 1895. 



LINAGES. 



Linum Kingii, Watson, King Rep. v, 49 (187 1). 



A few specimens of this species were secured by Prof Buffum in 

 1892, but without data; probably collected late in June, near Elk 

 Mountain. 

 Linum perenne, L. Sp. PI. 277 (i753)- ^- Lewisti, Pursh. 



Remarkably abundant and luxuriant throughout the state. Found 

 on dry, rocky ridges as well as on rich hillsides and valleys. The 

 valley of Bacon Creek in August presents the appearance of a flax 

 field. Laramie, June 12, 1894 (No. 241); Union Pass and Bacon 

 Creek, August 1894 (No. 866). 

 Linum rigidum, Pursh, Fl. Am. Sept. 210 (1814). 



Common in the eastern part of the state. Inyan Kara Divide, 

 August 29, 1892, B. C. Buffum; Wheatland, July 9, 1894 (No. 384). 



GERANIACE.^. 



G-eranium caespitosum, James, Long's Exped. ii, 3. 



Very frequent in the Laramie Hills, growing in scattered clumps 

 on rocky ridges. By B. C. Buffum in 1892; Telephone Canon, 

 June 15, 1894 (No. 233). 

 Geranium Fremonti, Torr. Gray, PI. Fendl. 26. 



Rare, observed but once; Union Pass, August 11, 1894 (No. 824). 

 Geranium Richardsoni, Fisch. Mey. Ind. Sem. Petr. iv, 37. 



Frequent in the south-eastern part of the state at least; along 

 streams and in damp thickets. Pole Creek, June 2, 1894 (No. 132); 

 near Table Mountain, July i, 1895 (No. 1403). 



Oxalis stricta, L. Sp. PI. 281 (1753)- 



This is the only species so far found in the state and this but 

 once. Whalen Canon, July 18, 1894 (No. 522). 



