HITCHCOCK—MEXICAN GRASSES. 947 
11. Panicum hirticaule Presl, Rel. Haenk. 1: 308. 1830. 
Type locality, ‘“‘Acapulco, Mexico.” 
Rance: Southwestern United States to southern Mexico. 
12. Panicum pampinosum Hitchc. & Chase, Contr. U. 8. Nat. Herb. 15: 66. f. 48 
1910. 
Type locality, ‘range reserve, altitude 2,600 feet, Wilmot, Arizona.’’ 
Rance: Arizona and New Mexico to central Mexico. 
13. Panicum decolorans H. B. K. Nov. Gen. & Sp. 1: 100. 1816. 
Type locality, ‘‘in temperatis, apricis regni Mexicani prope Queretaro.”’ 
RanGE: San Luis Potosf{ to Puebla. 
14, Panicum stramineum Hitchc. & Chase, Contr. U. 8S. Nat. Herb. 15: 67. f. 50. 
1910. 
Type locality, ‘‘Guaymas, Sonora, Mexico.’’ 
RancaeE: Western Mexico. 
15. Panicum sonorum Beal, Grasses N. Amer. 2: 130. 1896. 
Type locality, Lerdo, at the head of the Gulf of California, Sonora, Mexico. 
RanGeE: Northwestern Mexico. 
16. Panicum parcum Hitchc. & Chase, Contr. U. 8S. Nat. Herb. 15:68. /. 53.1910. 
Type locality, ‘‘mountain side, * * * Lodiego, on the Culiacan River, Sinaloa, 
Mexico.”’ 
RanGeE: Pacific slope, Sinaloa to Guerrero. 
17. Panicum capillarioides Vasey in Coulter, Contr. U. S. Nat, Herb. 1: 54. 1890. 
Type locality, ‘‘ Point Isabel” in the region of the Rio Grande, Texas. 
Ranae: Southern Texas and northern Mexico. 
18. Panicum hallii Vasey, Bull. Torrey Club 11: 64. 1884. 
Type locality, dry hills, Austin, Texas. 
Ranae: Arizona to Texas and central eastern Mexico. 
19. Panicum lepidulum Hitchc. & Chase, Contr. U. 8. Nat. Herb. 15: 75. f. 64, 1910. 
Type locality, ‘‘by streams, rocky hills near Chihuahua, State of Chihuahua, 
Mexico.”’ 
Rance: Chihuahua to Jalisco and Puebla. 
20. Panicum ghiesbreghtii Fourn. Mex. Pl. 2: 29. 1886. 
Type locality, Mexico, the particular locality unknown to the author. 
RanGE: Central to southern Mexico. 
21. Panicum hirsutum Swartz, Fl. Ind. Occ. 1: 173. 1797. 
Type locality, ‘‘Jamaica.’’ 
RanaeE: Mexico, Central America, and West Indies. 
22. Panicum maximum Jacq. Coll. Bot. 1: 76. 1786. GUINEA GRASS. 
Type locality, ‘‘In insula Guadeloupe.” 
Ranae: Cultivated and escaped throughout the tropics and subtropics of both 
hemispheres. 
23. Panicum plenum Hitchc. & Chase, Contr. U.S. Nat. Herb. 15: 80. f. 69. 1910. 
Type locality, ‘‘Mangas Springs, 18 miles northwest of Silver City, Grant County, 
New Mexico.”’ 
RanGe: Southwestern United States to southern Mexico. 
1 See footnote, p. 181. 
