PAMMEL — NOTES ON GRASSES OF NEBRASKA, ETC. 239 



ium Park, altitude 7,500. No. 6. L. H. Pammel, July i, 1897. Named in 

 honor of the distin^^uished agrostologist. 



Phleuin pratensc \An\-\. Ha.stings, altitude 1,943. Meadows common near 

 the pump-house. No. 13. Aurora, altitude 1,803, streets. No. 5. Broken 

 Bow, altitude 2,748. Meadows near New Castle in canons. No. 8, No. g. Big 

 Horn, Sheridan County, altitude 4,000. In irrigated fields a most excellent 

 grass. No. 11. Sheridan County above Big Horn, altitude 6,600. Along 

 Dome Lake Road, undoubtedly introduced by horses and travelers. No. 7. 



Alopecurus geniculatus Linn. Sheridan, altitude 3,712. No. 197. 



Sporobohis cryptandrus \. Gray. Grand Island, altitude 1,872. Prairies 

 and along roadsides. Common in sandy soil. No. 12. Broken Bow, alti- 

 tude 2,488. Sandy soil. No. 19. Ravenna, altitude 2,008. Common in 

 sandy soil near station. No. 20. 



Agrostis alba Linn. Grand Island, altitude 1,865. Common along Platte 

 River, flood plains. No. 35. Hastings, altitude 1,943. Common near pump- 

 house. No. 93. Sheridan, altitude 3,712. Common in flood plains of Big 

 and Little Goose Rivers and in the vicinity of irrigation ditches. No. 34. 



Agrostis scabra Wiild. Hastings, altitude 1,943. Common on prairies. 

 No. 37. Oxford, altitude 2,085. Common on prairies. No. 36. Sheridan, 

 altitude 3,712. No. 209. 



Calamag?-os(is canadensis L. var. Sheridan County, west branch Big 

 Goose near the road to Shoshone Basin, altitude 8,500. Low grounds, 

 forming a turf. No. 41. 



C. Iiyperborea L. New Castle, altitude 4,019. In canons. No. 40, No. 204. 



C. purpin-ascFjis R.Br. Dome Lake, Sheridan County, altitude 10,000. 

 No. 171. 



Calamovilfa lonoifolia Scribner. Ravenna, altitude 2,008. Common in 

 sandy soil. An excellent soil-binder. No. 65. 



AVENEiE. 



Deschampsia caespitosa Beau v. .Sheridan County, Rapid Creek Park, 

 altitude 7,500. Common in moist meadows. No. 90. Sheridan County, 

 Dome Lake, altitude 9,200. Moraines, common. No. 79. Dome Lake, 

 altitude 9,200. Common in open timber. No. 91. 



D. caespitosa Beauv., var. /z7(£7.?« Beauv. Dome Lake, Sheridan County, 

 altitude 9,500. Common. No. looa. 



T>-isetian subspicatiim Beauv. Sheridan County, above Big Horn, alti- 

 tude 6,500. Dry sterile hills and in pine woods. No. 176. Rapid Creek 

 Park, Sheridan County, altitude 7,000. Common in pine woods and dry 

 hills. No. 179. Dome Lake, Sheridan County, altitude 9,200-10,000. In dry 

 Piniis Murrayana woods, moraines. No. 180. 



T. subspicatum Beauv., var. ?«^//^ Gray. Sheridan County, and west branch 

 of Big Goose on road towards Shoshone Basin. Common in Pinus Murray - 

 ana woods. No. 99. 



