110 misc. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
Diplachne virgata Hack., Oesterr. Bot. Ztschr. 52: 276. 1902. 
Culms erect from a knotty base, usually about 1 m tall; blades 
flat, 5 to 15 mm wide; panicle 15 to 35 cm long, the branches stiffly 
spreading, the lower usually about 12 cm long, spikelet-bearing from 
the base; spikelets mostly 2- or 3-fiowered; lemma, 8 to 10 mm long, 
the awn 1 to 1.5 cm long (fig. 69). 
FIGURE 70.—Tripogon spicatus. Plant, X 14; spikelet and floret, X 5 (Nealley 78). 
Rocky brushy slopes, Mexico to Brazil and Bolivia; Cuba, Haiti. 
Cusa: Cojimar, Léon 2014; Ekman 1359; Rio Bacuranao, Wilson 
and Léon 11594. 
Haiti: Hinche, Ekman H 6137. 
46. TRIPOGON Roth; Roem. and Schult., Syst. Veg. 2: 600. 1817 
Spikelets, several- to many-flowered, sessile, erect in a single spike; 
olumes shorter than the lowermost floret ; lemmas awned from between 
the lobes of the minutely two-lobed summit. Low tufted perennials 
