l6 Muhlenbergia, Volume 8 



PLATE 3 



Triflorae 



Figure i. E. trifiora. Umbach^ 1897, West Chicago, Illinois. 



Figure 2. E. affinis. McCalla 20/J (type), Banff, Alberta. 



Figure 2a. E. ciliata. McCalla 20/ j pars (as in Cornell Her- 

 barium). 



Figure 3. E. affinis? Havard, "Upper Missouri." 



Figure 4. E. . Hartinan yoo, Chihualiua, Mexico. 



Figure 5. E. arizonica. MacDoiigald^ (t}-pe), Mormon lake, 

 Arizona. 



Figure 6. E. tridentata. Palmer jo6 (t3-pe). White moun- 

 tains, Arizona. 



Figure 7. E. cinerasceiis. Foj^wood 106 (types), Fort Meade, 

 South Dakota. 



(b) Sheet 317360^ U. S. National Herbarium. 



(c) Sheet Jiyjyj-, U. S. National Herbarium. 

 Figure 8. E. aliena. Townsend and Barber ij (type), Sierra 



Madres, Chihuahua, Mexico. 



Figure 9. E. grisea. Leiberg 3^78 (type), San Francisco 

 Peaks, Arizona. 



Figure 10. E. canescens. Heller 7/5P', Donuer Pass, Califor- 

 nia. 



