Rydbekg : Rocky Mountain flora 



541 



;/;/;// 2im/aUra/e(C^ssldy)Vasey, which is the same as A. Richard- 

 sonii. J. G. Smith in his revision referred it to A. Gniclini, It 

 resembles both a great deal in habit, but is distinguished by the 

 hispidulous floral glumes and by the empty glumes, which are 

 attached more or less obliquely, a character which w^ould place the 

 species in Elyimis rather than in Agj-opyj-on, It is a close relative 

 of E. Sattndersii and E. Macounii^ which also could be referred 

 almost equally well to either genus. In habit E, vulpiwis is inter- 

 mediate between the tw^o, but is distinguished by the hispidulous, 

 instead of glabrous, floral glumes and broader empty glumes. 



Nebraska : Lake region of Grant Co., northeast of Whitman, 

 Rydberg idiy (type, in herb, N. Y, Bot, Gard.). 



Alberta: Devil's Head Lake, Aug. 8, 1891, Macoiin 11452 



in part, mixed with Agropyron subvillostiui and named A, dasy^ 

 St achy inn. 



New York Botanical Garden. 



