HITCHCOCK AND CHASE GRASSES OF THE WEST INDIES. 329 



17. Panicum difEusum Swartz, Prodr. Veg. Ind. Occ. 23. 1788. 



Banks, open slopes, and savannas throughout the West Indies. Originally 

 described from Jamaica or Hispaniola. 



18. Panicum g'hiesbreghtii Fourn. Mex. PI. 3: 29. 1886. 



Low moist ground, Mexico to South America and throughout the West Indies, 

 though no specimens are reported from Hispaniola. 



19. Panicum hirsutum Swartz, Fl. Ind. Occ. 1 : 173. 1797. 



Open moist ground, Cul)a, Jamaica, Guadeloupe, Martinique, and Trinidad, 

 and from central Mexico to South America. Originally described from Jamaica. 



20. Panicum maximum .Tacq. Coll. Bot. 1 : 76. 1786. Guinea geass. 

 Open ground, at low altitudes, escaped from cultivation, southern Florida, 



through ]\Iexico and the West Indies to South America ; a native of Africa and 

 now widespread in the warmer parts of the Old World. An important forage 

 grass throughout the Tropics of the world at low altitudes. Used for pasture, 

 or cut and fed green. In Cuba called " hierba Guinea." Originally described 

 from Guadeloupe. 



21. Panicum repens L. Sp. PI. ed. 2. 1: 87. 1762. 



Sea beaches, warmer regions of both hemispheres ; in America from Alabama 

 to Brazil. In the West Indies known only from Cuba. Originally described 

 from the Old World. 



22. Panicum virgatum cubense Griseb. Cat. PI. Cub. 233. 1866. 



Pine woods, Atlantic Coastal Plain, Bermuda, and Cuba. Originally de- 

 scribed from Cuba. 



23. Panicum altum Hitchc. & Chase, Contr. U. S. Nat. Herb. 17: 488. /. 57. 

 1915. 



Sandy marshes or flats near the seacoast, British Honduras to Trinidad and 

 Tobago. Originally described from Panama. 



24. Panicum amarulum Hitchc. & Chase, Contr. U. S. Nat. Herb. 15: 96. /. 87. 

 1910. 



Sandy seashores and coast dunes, southeastern United States, Bah.nmas, and 

 Cuba. Originally described from Virginia. 



25. Panicum tenerum Beyr. In Trln. Mem. Acad. St. Petersb. VI. Sci. Nat. 1 : 

 341. 1834. 



Margins of sandy swamps and ponds and in wet places in sandy woods, 

 southeastern United States, Cuba, and Porto Rico. Originally described from 

 Georgia. 



26. Panicum stenodoides Hubbard, Proc. Amer. Acad. 49: 497. 1913. 



Open grass land and moist savannas. Central America, Trinidad, and 

 northern South America. Originally described from British Honduras. 



27. Panicum caricoides Nees ; Trin. Gram. Pan. 149. 1826. 



Wet savannas, Trinidad to Brazil ; also the Isle of Pines. Originally de- 

 scribed from Brazil. 



28. Panicum stenodes Griseb. Fl. Brit. W. Ind. 547. 1864. 



Borders of ponds and wet savannas, Greater Antilles and Costa Rica to 

 Brazil. Originally described from Jamaica. 



29. Panicum condensum Nash in Small, Fl. Southeast. U. S. 93. 1903. 

 Swamps and borders of ponds and streams, southeastern United States, south 



into Mexico, and in the W^est Indies in the Bahamas, Cuba, Jamaica, and 

 Porto Rico, Originally described from Florida. 



