482 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
32. Panicum ghiesbreghtii Fourn. 
Panicum ghiesbreghtt Fourn. Mex. Pl. 2: 29. 1886; Contr. U. S. Nat. Herb. 15: 76. 
1910. . 
DISTRIBUTION. 
Low moist ground, Mexico and West Indies to northern South America, The type 
specimen from Mexico. 
Jauisco: Zapotlin, Hitchcock 7117. 
Veracruz: Cordoba, Hitchcock 6418, 6426. Jalapa, Hitchcock 6546. Orizaba, 
Bourgeau 2751, Hitchcock 6363, Amer. Gr. Nat. Herb, 36, 
Oaxaca: Oaxaca, Hitchcock 6143. 
Yucatan: Izamal, Gauwmer 2477. 
Satvapbor: Acajutla, Mitchcock 8993. 
NicaARAGuA: Corinto, [Hitchcock 8755. San Juan del Sur, Hitchcock 8601. Jino- 
tepe, JTitchcock 8687. 
Costa Rica: San José, Hitchcock 8452. 
Guanacaste, Jiménez 730. Llano 
Grande de Puriscal, Jiménez 880. 
Nuestro Amo, Jiménez 530. Salinas 
Bay, Pittier 2633, Tonduz 2858. 
PANAMA: South of David, Hitchcock 
8377. Balboa, Hitchcock 7997, 
8014. Taboga Island, Hitchcock 
8065, 8094. 
BanAMAs: Crooked Island, Brace 4812. 
CuBa: LaSoledad, Eggers 5406. Herra- 
dura, Tracy 9068. Santiago de las Vegas, Tracy 9116. La Perla, Leén 3783. 
El Calvario, Leén 922, 2674. Guayabal, Ledn 922b. Without locality, 
Wright 758. Eastern Cuba, Wright. Santiago de Cuba, Leén 3747. 
Porto Rico: Coamo Springs, Chase 6547. Cayey, Chase 6744. Tabucoa, Sintenis 
4983. 
Leewarp Isianps: Guadeloupe, Duss 3184. Antigua, Wullschlaegel 620, 621. 
(K. U. Herb.). 
COLOMBIA: Santa Marta, Smith 165. 
Fia. 45.—Distribution of P. ghiesbreghtii. 
33. Panicum hirsutum Swartz. 
Panicum hirsutum Swartz, Fl. Ind. Oce. 1: 173. 1797; Contr. U. S. Nat. Herb. 15: 
77. 1910. 
Panicum elatum Willd.; Steud. Nom. Bot. ed. 2. 2: 256. 1841. In the Willdenow 
Herbarium this unpublished name is written on a Humboldt collection from “ America 
merid.’’ 
The sheaths, especially the lower, of this robust species are hirsute with spreading 
stiff hairs that cause mechanical irritation to the skin. The panicles are at first com- 
pact, with ascending branches, but become diffuse at maturity, the branches finally 
widely spreading. 
DISTRIBUTION. 
Open moist soil, West Indies and central Mexico to northern South America. The 
type specimen from Jamaica. 
Coutima: Manzanillo, Hitchcock 7031. 
Oaxaca: San Antonio, Pringle 5573. 
Costa Rica: Port Limon, Hitchcock 8435. Along Bananita River, Pittier 3634. 
Zent Farm, Pittier in 1904, Tonduz 266. Puerto Viejo, Biolley 7467. 
