2 44 DAVENPORT ACADEMY OF NATURAL SCIENCES. 



Bromus breviaristaiiis Buckl. Sheridan, altitude 3,732. Flood plains of 

 Big and Little Goose Rivers, and along irrigation ditches. A valuable and 

 one of the most common grasses with Beckmaiinia enicarforniis. No. 148. 

 Sheridan County, Dome Lake Road, Geranium Park, altitude 7,500. In 

 fertile soil of this park it is a most valuable grass. No. 51. Near spring 

 edges of timber along the same road, altitude 5,500. No. 96. 



B. PHmpellianus Scribner. Sheridan, altitude 3,732. Also along irrigation 

 ditches. A very valuable grass. No. 166. 



B. racetnosus L. Grand Island, altitude 1,872. Near ice houses in Platte 

 River bottoms abundantly naturalized. Very valuable. No 52, 97. 



HORDED. 



Agropyron caninmn L. I3ome Lake Road above Big Horn in Sheridan 

 County, altitude 7,810; common in parks. No. 165. Sheridan, altitude 

 3,712. No. 206. 



A. dasystachum Vasey var. suhvillo^um S. & S. New Castle, altitude 4,017. 

 Common in pine woods. No. 141. 



A. diver gens var. temiispicum S. & S. Sheridan County, Dome Lake Road, 

 altitude 5,500. Borders of woods, and in open woods. No. 86. Rapid 

 Creek Park, Sheridan County. No. 150. 



A. pseudo-repens S, & S. Rapid Creek Park, altitude 7,500. In open grassy 

 parks, common. No. 63, No. 170. Dome Lake Road, Sheridan County, altitude 

 5,500, in open grassy woods. No. 64. Sheridan County, west branch of the 

 Big Goose on road to Shoshone Basin, altitude 8,500, in open woods. No. 

 53- Broken Bow, altitude 2,478. In grassv meadows near stream. No. 54. 

 Sheridan, altitude 3,712. No. 203. 



A. Bic/iardsoni Schr:\(]. Sheridan, altitude 3,712. No. 211. 



A. spkatum S. & S. Alma, altitude 1,950, prairies, abundant. No. 56. 

 Hastings, altitude 1,943. Aurora, altitude 1,803. No. 55. Broken Bow, alti- 

 tude 2,478. No. 58. Edgemont, altitude 3,415. No. 57. New Castle, alti- 

 tude 4,019. No. 146, No. 177. Sheridan County, Dome Lake Road, Geranium 

 Park, altitude 7,500. Sheridan County, altitude 3,712. No. 288. This species is 

 one of the most common grasses in these parks, where it makes a fine 

 growth. No 43. This occurs everywhere in Nebraska, S. Dakota and North- 

 ern Wyoming. The statement made by rangers that it is common only to 

 the ranges of Northern Wyoming and Montana is erroneous, as the grass is 

 equally common in Colorado, extending southwest to Arizona where it is 

 one of the most valuable of the range grasses. 



A. spicatum S. & S. var. moUe S. tV S. Sheridan County, Rapid Creek 

 Park, altitude, 7,500, dry open parks. No. 140. Sheridan, altitude, 3,712. 

 No. 196. 



A. tenerum Vasey. Hastings, altitude 1,943, n^'si" pump-house. No. 61. 

 Grand Island, altitude 1,872, along Platte River. In these bottoms it is a 

 very common species. No. 60. Broken Bow, altitude 2,478, near streams. 

 No. 62. Ravenna, altitude 2,008. Along railroad, and in low grounds. No. 

 59. Sheridan, altitude 3,712. No. 203. 



