190 
Bouteloua hirsuta Lag. Var. Cienc. y Litter. ii, pt.4, 141 (1805), 
Not common: Mullen, July 17, 18; Cody’s Lakes, August 10 (No. 1552). 
Bouteloua oligostachya (Nutt.) Torr.; Gray, Man, ed. 2, 553 (1856); Atheropogon 
oligostachyum Nutt. Gen. i, 78 (1818). 
Rare: Plummer Ford, August 28; Mullen, July 19 (No. 1574). No. 1803 is a low 
form with a few glandular warts on the outer glumes, which are so characteristic of 
B. hirsuta: Mullen, July 24. This and the preceding constitute the winter pasturage 
of western Nebraska. In the fall, they become self-cured and make a good pas- 
turage for the cattle. 
Bouteloua curtipendula (Mx.) Torr. Emory’s Rep. 153 (1848); Chloris curti- 
pendula Mx. F'1. i, 59 (1803). 
Not common: Plummer Ford, July 5; Forks of Dismal River, July 13 (No. 1499). 
Bulbilis dactyloides (Nutt) Raf.; Kuntze, Rev. Gen. Pl. ii, 763 (1891); Sesleria 
dactyloides Nutt. Gen. i, 65 (1818). 
Not common in the region; otherwise regarded as a good pasture plant, especially 
for winter pasture. This species is often mone cious, although more often dimcious. 
Prairie: Thedford, June 14, Norway, June 23 (No. 1253). 
Sieglingia purpurea (Walt.) Kuntze, Rev. Gen. Pl. ii, 789 (1891); Aira purpurea 
Walt. Fl. Car. 78 (1788). 
In sandy soil, mostly on the river banks: Mullen, August 17; Thedford, August 19; 
Plummer Ford, August 22; Natick, September 11 (No. 1698). 
Leptochloa fascicularis (Lam.) Gray, Man. 588 (1848); Festuca fascicularis Lam. 
Tabl. Encyel. i, 189 (1791), 
On sandy prairies, local: Thedford, August 21 (No. 1713). 
Phragmites phragmites (L.) Karst. Deutsch. F1. 379 (1880-83); Arundo phragmites 
L. Sp. Pl. i, 81 (17538). 
In or near water: Plummer Ford, August 22; lakes in Grant County, July 31 (No. 
1631). 
Keeleria cristata (L.) Pers. Syn. PI. i, 97 (1805); Aira cristata L. Sp. P1. i, 68 (1753). 
Wherever it grows abundantly it is an important factor in making up the pastur- 
age in early spring: Thedford, June 14; Mullen, July 19 (No. 1273). 
Keoeleria nitida Nutt. Gen. i, 74 (1818). 
Professor Scribner holds this to be a distinct species. It has generally been 
regarded as a variety of the preceding. 
Thedford, September 9 (No. 1844), 
Batonia obtusata (Mx.) Gray, Man, ed. 2, 558 (1856); Aira obtusata Mx. V1. i, 62 
(1803). 
Also an early pasturage grass on the dry prairies: Plummer Ford, July 4 (No. 1486). 
Hatonia obtusata robusta Vasey, var. nov.! 
Taller than the species, more robust, with broad leaves, 5to6 mm. wide. This grows 
in wet places, generally near rivers, and blooms later than the species: Mullen, July 
17 (No. 1807). 
Munroa squarrosa (Nutt.) Torr. Pac. R. Rep. iv, 158 (1856); Crypsis squarrosa Nutt. 
Gen. i, 49 (1818). 
Rare in the region: Norway, June 23; Forks of Dismal River, July 12 (No. 1534). 
Catabrosa aquatica (L.) Beauv. Agrost. 157 (1812); Aira aquatica L. Sp. Pl. i, 64 
(1753). 
In springs: Thedford, June 17; Plummer Ford, July 3 (No, 1881). 
'This name was given in the Report of the Commissioner of Agriculture for 1881, 
p. 322, with a reference to utility and habitat, but without description. 
