58 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
7. Panicum miliaceum L. Sp. Pl. 58. 1753. Hoa MILLET. 
Milium panicum Mill. Gard. Dict. no. 1. 1759. 
© Milium esculentum Moench, Meth. Pl. 203. 1794. 
TYPE Locauity: ‘‘Habitat in India.’’ 
Rance: Native of the Old World, introduced rather sparingly in the United States; 
often cultivated. 
New Mexico: Flora Vista; Gilmores Ranch. 
8. Panicum barbipulvinatum Nash, Mem. N. Y. Bot. Gard. 1: 21. 1900. 
Type Locatiry: ‘‘Yellowstone Park; Lower Geyser Basin,”’ 
Ranae: British Columbia and Wisconsin to California and Texas. 
New Mexico: Common throughout the State except along the Pecos Valley and 
eastward. Sandy fields, in the Lower and Upper Sonoran zones. 
9. Panicum pampinosum Hitchc. & Chase, Contr. U. S. Nat. Herb. 15: 66. 1910, 
TyPE Locaity: ‘On range reserve, altitude 2,600 feet, Wilmot, Arizona.”’ 
Rance: Southern New Mexico and Arizona. 
New Mexico: Organ Mountains; Grant County. Dry hills, in the Upper Sonoran 
Zone. 
10. Panicum hirticaule Presl, Relse Haenk. 1: 308. 1830. 
TyPE Locauity: Acapulco, Mexico. 
Rance: New Mexico and southern California to Mexico. 
New Mexico: Southwest corner of the State, north to Mangas Springs, east to the 
Organ Mountains, Dry hills and plains, in the Lower and Upper Sonoran zones. 
11. Panicum hians Ell. Bot. 8. C. & Ga. 1: 118. 1816. 
TyPE LocaLity: South Carolina or Georgia. 
Rance: South Carolina and Florida to Texas and New Mexico. 
New Mexico: Las Cruces (Plank 6). Damp ground, in the Lower Sonoran Zone. 
12. Panicum hallii Vasey, Bull. Torrey Club 11: 64. 1884. 
TyPE Locauity: Dry hills, Austin, Texas. 
Ranae: Texas to Arizona, south into Mexico. 
New Mexico: Cross L Ranch; Mangas Springs; Deming; Las Cruces; Organ Moun- 
tains; Buchanan; Roswell; Carlsbad; Queen. Dry hills and mesas, in the Lower 
and Upper Sonoran zones. 
13. Panicum virgatum L. Sp. Pl. 59. 1753. SWITCH GRASS. 
Panicum giganteum Scheele, Linnea 22: 340. 1849. 
Type Loca.iry: “Habitat in Virginia.” 
Rance: Wyoming and Maine to Florida and Arizona, south into Mexico and the 
West Indies, 
New Mexico: Farmington; Pecos; Tesuque; Grant County; Organ Mountains; 
Ruidoso Creek; Roswell. Plains and low hills, in the Upper Sonoran Zone. 
14. Panicum havardii Vasey, Bull. Torrey Club 14: 95. 1887. 
TYPE Locaity: Guadalupe Mountains, Texas. 
Rance: Western Texas to New Mexico and Mexico. 
New Mexico: Las Vegas; Roswell. Plains and low hills, in the Upper Sonoran 
Zone. 
? 
15. Panicum plenum Hitchc. & Chase, Contr. U. 8. Nat. Herb. 15: 80. 1910. 
Typr Locatity: Mangas Springs, New Mexico. Type collected by Metcalfe (no. 
739). 
Ranae: Texas to southern Arizona and northern Mexico. 
New Mexico: Mangas Springs; Organ Mountains. Dry hills and canyons, in the 
Upper Sonoran Zone. 
