538 Rydberg : Rocky Mountain- flora 



Arizona: Southern slope of San Francisco Mountains, 1904, 

 Caiman & Lloyd ; Flagstaff, 1883, Rusby 901 (dupl. of type) ; 

 near Tucson, 1892, Tourney. 



Utah : Fish Lake Plateau, Aug. 9, 1905, Rydberg & Carlton 

 7689 and 7680. 



Colorado : Camp on Grizzly near foot of Rabbit Ear Range* 

 State Agric. College distribution no. j6jp; Brecken ridge, 1896, 

 Shear 1080. 



Vulpia megalura (Nutt.) comb. nov. 



Festuca megalura Nutt. Jour. Acad. Phila. II. 1 : 188. 1848. 



The group of annual grasses with usually but one stamen, 

 generally included in Festuca, is so unlike the typical species of 

 that genus that it very well deserves generic rank. The genus 

 Vulpia Nees should therefore be reestablished. 



Vulpia reflexa (Buckley) comb. nov. 

 Festuca reflexa Buckley, Proc. Acad. Phila. 1862: 98. 1863. 



Vulpia pacifica (Piper) comb. nov. 

 Festuca pacific a Piper, Contr. U. S. Nat. Herb. 10 : 12. 1906. 



Vulpia octoflora (Walt.) comb. nov. 

 Festuca octoflora Walt. Fl. Car. 81. 1788. 



Bromus Flodmanii sp. nov. 



Bromus aleutensis Rydb. Mem. N. Y. Bot. Gard. 2 : 61. 1900. 



Not B. aleutensis Trin. 1853. 



A short-lived perennial ; stem glabrous, 6- 10 dm. high; sheaths 

 retrorsely pilose ; ligules 3-4 mm. long, laciniate ; leaf-blades 

 2-3 dm. long, 6-10 mm. wide, minutely scabrous ; panicle 1-2 dm. 

 long; branches erect or nearly so; spikelets 2.5-3.5 cm. long, 

 5-7 mm. wide ; empty glumes lanceolate in lateral view, about 

 1 cm. long, glabrous, acute, the first 3-nerved, the second 5- 

 nerved ; floral glumes about 15 mm. long, scabrous, narrowly 

 margined, acuminate, slightly bifid ; awn 4-6 mm. long ; palet 

 nearly as long as the floral glumes. 



The first two specimens cited below were included in B. margi- 

 natus latior by Shear. He, however, has made on the sheet the 

 following note : " very near aleutensis," to which species the speci- 



