HITCHCOCK AND CHASE—TROPICAL NORTH AMERICAN PANICUM. 477 
20. Panicum capillare L. 
Panicum capillare L. Sp. P1. 58. 1753; 
Contr. U.S. Nat. Herb. 15: 60. 1910. 
DISTRIBUTION. 
Open ground, common in eastern 
United States, introduced in Ber- 
muda. The type specimen from Vir- 
ginia. 
Bermupa: North Shore Road, 
Brown & Britton 21. FG. 33.—Distribution of P. capillare. 
21. Panicum hirticaule Presl. 
Panicum hirticaule Presl, Rel. Haenk. 1: 308. 1830; Contr. U. 8S. Nat. Herb. 15: 64. 
1910. 
DISTRIBUTION. 
Rocky or sandy soil, southwestern United States and south through Mexico to 
South America; also in Haiti. The type specimen from Acapulco, Mexico. 
LowER CaLtrorNniA: San José del Cabo, Brandegee 42. Purfsima, Brandegee in 
1889. 
Sonora: Nogales, Hitchcock 3631, Griffiths 6758, 6799. Lokuka Ranch to Altar, 
Griffiths 6892. Llano, Hitchcock 3526. Johnstons Ranch, east of San Pedro 
River, Merton 1705. Guaymas, [Hitchcock 3547, 3553, Palmer 208 and 346 in 
1887. Alamos, Palmer 690, 695, and 750 in 1890. White Water, Mearns 2294. 
Sonora, Hitchcock 35414. Hermosillo, Hitchcock 3541, 3573, 3604. 
Curmvuanua: Southwestern Chihuahua, Palmer 1b in 1885. Between Casas 
Grandes and Sabinal, Nelson 6355. Sierra Madre, Nelson 6297. 
Srnaoa: Culiacdn, Palmer 1544, 1545, 
“I and 1554in 1891. Topolobampo, 
Palmer 249 and 251 in 1897. 
Trric: Between Aguacate and Dolo- 
ott res, Rose 3351. 
} Jauisco: Guadalajara, Hitchcock 
a 7357. 
GUANAJUATO: Irapuato, Hitchcock 
7424, 
——— —_ QUERETARO: Querétaro, Hitchcock 
Fig. 34.—Distribution of P. hirticaule. 5846. 
Couma: Alzada, Hitchcock 7089, 7096, 7104. Without locality, Palmer 14, 143, 
and 145 in 1897. 
Veracruz: Bafios del Carrizal, Purpus 6212. 
GuERRERO: Balsas, Hitchcock 6773, 6814, 6815. Rio Balsas, Orewtt 4197. 
Oaxaca: Tomellin, Hitchcock 6248, Amer. Gr. Nat. Herb. 28. 
Sanvapor: La Unién, Hitchcock 8794. West side of Lake Ilopango, Hitchcock 
8924. 
Nicaracua: Masaya, Hitchcock 8654. Without locality, Flint in 1868. 
Costa Rica: Atenas, Hitchcock 8517. 
Hartt: Near the River Artibonite, Picarda 1654. 
Curacao: Boldingh 5379. 
CotomsiA: Puerto de Colombia, Hitchcock 9927. 
