278 MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
56. Panicum zizanioides H. B. K., Nov. Gen. et Sp. 1: 100. 1815. 
Colombia. 
Panicum oryzoides Swartz, Prodr., Veg. Ind. Occ. 23. 1788. Not 
P. oryzoides Ard., 1764. Jamaica. 
Acroceras oryzoides Stapf, in Prain, Fl. Trop. Afr. 9: 622. 1920. 
Perennial; culms decumbent and rooting at base, 50 to 100 cm tall, 
glabrous; sheaths glabrous except margins; blades flat, 4 to 15 em 
long, 1 to 3 em wide, cordate-clasping, glabrous or rarely pubescent; 
panicles 10 to 25 em long, with a few ascending stiff branches 3 to 
10 cm long, bearing appressed branchlets; spikelets 5.5 to 6 mm long, 
glabrous, abruptly short-pointed; first glume two-thirds as long as 
the spikelet (fig. 248). 
Moist, usually shaded places at low altitudes, Mexico and the West 
Indies to Paraguay. 
Cusa: Damuji, Ekman 10936. Sumidero, Shafer and Léon 13635. 
Anafe, Kkman 226. Rincon, Van Hermann 545, 4477. Laguna Cas- 
tellano, Baker 4334; Wil- 
son 9567. San Nicolas, 
Léon 7297. Puentes 
Grandes, Léon 2743. 
Sancti Spiritus, Léon 903. 
Guara, Hitchcock 23394. 
Without locality, Wright 
3466. Isla de Pinos, 
Britton and Wilson 14923. 
JAMAICA: Kingston, 
Hitchcock 9278. Castle- 
ton, Hitchcock 9398. St. 
Georges, Harris 11420. 
Port Antonio, Maron 2109. 
Gordon Town, Hart 726. 
Temple Hill, Harris 11385. 
Chapelton, Ridley 28. 
Ipswich, Heda 9609. 
ANON Sais Ewarton, Hitchcock 9419. 
ae a RA AOL ae OM eee we Claremont, Hitchcock 9513. 
Troy; Hitchcock 97st 
Flarris 12654. Buff Bay, Hitchcock 9779. es Bay, Hitchcock 
9684. Without locality, Wullschlaegel 1108; Alerander Prior in 1850. 
Haiti: Mount Organisé, Ekman H 6219. 
DomrinicaN Repustic: Cuenca, Ekman H 11059. Pimental, Ab- 
bott 652. Los Haitises, Ekman H 1 BGC. 
TRINIDAD: Port-of-Spain, Hitchcock 9958. Toco, Broadway 2563. 
Mount Pleasant Estate, Bot. Gard. Herb. 2286. Blanchisseuse Road, 
Broadway 6740. Without locality, Bot. Gard. Herb. 3188. 
Tosaco: Hggers 5810; Hitchcock 10258; Broadway 4556. 
57. Panicum discrepans Doell, in Mart., Fl. Bras. 27: 252. 1877. 
Brazil. 
Perennial; culms glabrous, ascending from a decumbent base, 20 to 
40 cm tall; sheaths minutely pubescent or glabrous, the lowermost 
felty-pubescent; blades ascending or appressed, more or less pubescent, 
the lower often densely so, the upper sometimes glabrous, flat, those 
of the midculm 3 to 5 cm long, 3 to 5 mm wide; panicles ‘ovoid, 
