482 



CONTRIBUTIONS FEOM THE NATIONAL HERBARIUM. 



32. Panicum ghiesbreg-htii Fourn. 



Panicum ghiesbreghtii Fourn. Mex. PL 2: 29. 1886; Contr. U. S. Nat. Herb. 15: 

 1910. 



DISTRIBUTION. 



76, 



Fig. 45. — Distribution of P. gMesbreghtii. 





Low moist ground, Mexico and West Indies to northern SoutL. America. The type 

 specimen from Mexico. 



Jalisco: Zapotliin, HitchcocJ: 7117. 



Veracruz: Cordoba, Hitchcock G418, 6426. Jalapa, Hitchcock 6546. Orizaba, 



Bourgeau 2751, Hitchcock 6363, Amer. Gr. Nat. Herb. 36. 

 Oaxaca: Oaxaca, Hitchcock 6143. 

 Yucatan: Izamal, Gaumer 2477. 

 Salvador: Acajutla, Hitchcock 8993. 



Nicaragua: Corinto, Hitchcock 8755. San Juan del Sur, Hitchcock 8601. Jino- 

 tepe, Hitchcock 8687. 



Costa Rica: San Jos6, Hitchcock 8452. 

 Guanacaste, Jimenez 730. Llano 

 Grande de Puriscal, Jirrdnez 880. 

 NuestroAmo, /mme2 530. Salinas 

 Bay, Pittier 2633, Tonduz 2858. 

 Panama: South of David, Hitchcock 

 8377. Balboa, Hitchcock 7997, 

 8014. Taboga Island, Hitchcock 

 8065,, 8094. 

 Bahamas: Crooked Island, 5race 4812. 

 Cuba: LaSoledad,^5r5fers 5406. Herra- 

 dura, Tracy 9068. Santiago de las Vegas, Tracy 9116. La Perla, Leon 3783. 

 El Calvario, Leon 922, 2674. Guayabal, Leon 922b. Without locality, 

 Wright 758. Eastern Cuba, Wright. Santiago de Cuba, Leon 3747. 

 Porto Rico: Coamo Springs, CTase 6547. Cayey, C^ase 6744. Tahncoa, Sintenis 



4983. 

 Leeward Islands: Guadeloupe, Duss 3184. - Antigua, WuUschlaegel 620, 621. 



(K. U. Herb.). 

 Colombia: Santa Marta, Smith 165. 



33. Panicum hirsutum Swartz. 



Panicum hirsutum Swartz, Fl. Ind. Occ. 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 Herbarium this unpublished name is written on a Humboldt collection from "America 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 

 stifE 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. 



Colima: 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. 



