64 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
4. Aristida arizonica Vasey, Bull. Torrey Club 13: 27. 1886. 
Tyre Loca.ity: ‘‘Arizona.’’ 
Rance: Arizona and New Mexico to western Texas. 
New Mexico: Clayton; Santa Fe; Las Vegas; near Jewett Gap; Grant County; 
Buchanan; Leachs; Knowles; White Mountains. Plains and low hills, in the Upper 
Sonoran and Transition zones. 
5. Aristida havardii Vasey, Bull. Torrey Club 138: 27. 1886. 
TYPE LOCALITY: ‘‘Western Texas.”’ 
Rance: Arizona and western Texas to Mexico. 
New Mexico: Gallinas Mountains; Albuquerque; Fort Bayard; Grant; Bonito 
Crossing; Gilmores Ranch; Gray; Carlsbad; Arroyo Ranch. Hills and plains, in the 
Upper Sonoran and Transition zones. 
6. Aristida longiseta Steud. Syn. Pl. Glum. 1: 420. 1854. WIREGRASS. 
Tyre Locatity: New Mexico, probably near or at Santa Fe. Type collected by 
Fendler (no. 978). 
New Mexico: Common throughout the State. . 
7. Aristida vaseyi Woot. & Stand]. N. Mex. Agr. Exp. Sta. Bull. 81: 55. 1912; 
Contr. U.S. Nat. Herb. 16: 113. 1913. 
Aristida reverchoni augusta Vasey, Contr. U. 8. Nat. Herb. 8: 46, 1892. 
TYPE LOCALITY: Comanche Peak, Texas. 
Rance: Western Texas and southern New Mexico. 
New Mexico: Socorro; mountains west of San Antonio; Mangas Springs; Tortugas 
Mountain; Pena Blanca; Alamogordo. Plains and low hills, in the Lower Sonoran 
Zone. 
8. Aristida micrantha (Vasey) Nash in Small, Fl. Southeast. U. 8. 117. 1903. 
Aristida purpurea micrantha Vasey, Contr. U. 8. Nat. Herb. 3: 47. 1892. 
TYPE LOCALITY: Western Texas. 
Rance: Western Texas and southern New Mekico. 
New Mexico: Carlsbad (Smith). Dry plains, in the Upper Sonoran Zone. 
9. Aristida pansa Woot. & Standl. Contr. U. 8S. Nat. Herb. 16: 112. 1913. - 
Type Locatity: Tortugas Mountain near Las Cruces, New Mexico. Type collected 
by Wooton, October 6, 1904. 
Rance: Southern New Mexico to Mexico. 
New Mexico: Tortugas Mountain. Dry hills, in the Lower Sonoran Zone. 
10. Aristida fendleriana Steud. Syn. Pl. Glum. 1: 420. 1855. 
Aristida longiseta fendleriana Merr. U. 8S. Dept. Agr. Div. Agrost. Cire. 24: 5. 1901. 
TyPE LocaLity: Santa Fe, New Mexico. Type collected by Fendler (no. 973). 
RanGeE: Colorado and Texas to Arizona. 
New Mexico: Tunitcha Mountains; Farmington; Carrizo Mountains; Santa Fe; 
northeast of Clayton; 25 miles south of Gallup; Rito Quemado; 35 miles south of Tor- 
rance; near Suwanee; Copper Mines; Mimbres and Cooks Spring. Dry hills and 
plains, in the Upper Sonoran Zone. 
11. Aristida wrightii Nash in Small, Fl. Southeast. U. 8. 116. 1903. 
Type LocaLity: Dallas, Texas. 
Rance: Texas and New Mexico. 
New Mexico: Atarque de Garcia; Deming; Organ Mountains; Dona Ana Moun- 
tains; Buchanan; Redlands. Dry hills and mesas, in the Lower and Upper Sonoran 
zones. 
12. Aristida purpurea Nutt. Trans. Amer. Phil. Soc. n. ser. 5: 145. 1837.- 
PURPLE NEEDLE GRASS. 
TYPE Locauity: ‘‘On grassy plains of the Red River, in arid situations.”’ 
RanGE: Arizona and western Texas to Mexico. 
