Plants Collected in Paraguay. 2G3 



Paniciini sanguinale, L., Sp. PL, 57. 



Asuncion (558). November- January. 



Panicum spectaliile, Nees, Agrost. Bras., 262. 



Pilcomayo River (1070). April. = Balansa 156. 



Growing in water. A thick culmed grass, 4 or 5 dm. high. 

 Leaves rough on the edges with minute bristles and sometimes 

 with small tubercles also, 3-5 dm. long and 1-2 cm, broad, the 

 uppermost much longer than the panicle. Panicle close, 15 cm. 

 long and 2^ cm. broad. Spikes simple, erect, disposed alternately 

 around the raehis, about 3 cm. long. Main rachis strongly angled, 

 hispid with short hairs, and with longer ones just under the spikes. 

 Spikelets 5 or 6 mm. long, sessile, disposed closely and in several 

 rows about the rachis of the spike. Flowering glume 5-T-nerved, 

 with a long hispid awn, and hispid on the nerves. 



Panicum sulcatum, Aubl., PI. Guian., i, 50. 



Caballero (444); Pilcomayo River (15t2). January-February. 



Culms terete, pubescent, sulcate, 1-1^ m. high. Leaves, especi- 

 ally on young plants, very beautiful, being nearly glabrous, strongly 

 striate longitudinally or even plicate, 3-6 dm. long and 2-|-5 cm. 

 broad in the middle, the blades bright green in color ; sheaths 

 downy, with long white hairs in a tuft at the summit and along the 

 margins. Spikes in a close panicle 3-4 dm. long, very bristly with 

 upwardly barbed setse 1-2 cm. long which rise from the base of the 

 pedicels. 



Panicum trictiantlium^ Nees, Agr, Bras., 210. 



Named by N. E. Brown. 



Luque (311); Pilcomayo River (15tl). December-January. 

 = Balansa 46 and 46 a. 



Panicum Testitum, Kunth, Gram., i, 39. 



Between Yilla Rica and Escoba (552). January. 



Csespitose. Stems strict, 2-3 dm. high ; panicle short; the glumes 

 3-4 mm. long, clothed with long silky hairs. Rising from a hard, 

 somewhat tuberous base, and fibrous roots. Leaves narrowly 

 linear, half as long as the culm ; the culm mostly naked. 



On the open campo between Yilla Rica and Escoba. 



