PANICE^. 127 



1 mm. long, l-S-nerved, second oval, ll-nerved, tumid at the base; 

 floral glume of the neuter siJikelet 5-nerved ; its palea membranous, 

 2-nerved; fertile floret smooth, flat on one side, ovoid, obtuse, 1.5 

 mm. long. 



Florida. Ciirtiss 3591. 



An annual, thriving in wet ground. 



South Carolina to Florida and Texas. 



40. P. melicarium Michx. Fl. Bor. Am. 1:50 (1803). P. 

 dehile Poir. Lam. Eueycl. Suppl. 4: 283 (1816). P . patentissimum 

 E. & S. Syst. 2:448 (1817). P. Mans Ell. Bot. S. C. and Ga. 

 1:118 (1816). 



A slender glabrous perennial, with a creeping or decumbent 

 "base. Culms slender, 15-50 cm. high. Blades 8-15 cm. long, 2-3 

 mm. wide, the upper reaching to the panicle. Panicle simple, 

 spreading, rays few, capillary, single or in pairs, naked below, 

 6-15 cm. long. Spikelets mostly in distant clusters, on pedicels 

 1-2 mm. long, ovate, subacute, nearly 2 mm. long, first glume 

 broad, 1-3-nerved. 1 mm. long, second oval, 5-nerved; floral glume 

 of neuter floret 3-5-nerved, its palea firm, large and as long as 

 itself, broadly obovate, gaping at the apex, 2-4-nerved ; fertile floret 

 smooth, elliptical, 1-6 mm. long and usually causing the outer 

 glumes to open. 



Low grounds, North Carolina to Texas. 



41. P. repens L. Sp. PI. 87, Ed. 2, 87 (1762-63). 



Culms stiff, leafy, 30-60 cm. high, ascending from a creeping 

 rhizome. Ligule ciliate; blades glabrous or softly hairy, involute, 

 7-15 cm. long, 3-5 mm. wide. Panicle 7-15 cm. long, with a few 

 long, erect or spreading, flexuous branches. Spikelets smooth, 

 irregularly crowded, on short, slender pedicels, oblong pointed, 2.5 

 mm. long, first glume thin, broad, not half as long as the spikelet, 

 obtuse or acute, nerved or not; second and third floral glumes 

 acute, broad-ovate, 7-0-nerved ('• 3-5-nerved," Benth.), palea of 

 the staminate floret oval, nearly 2 mm. long; fertile floret oblong, 

 obtuse, 1.5 mm. long, with a thin floral glume and palea. 

 Stamens 3. 



Alabama, Mohr; Louisiana, Langlois. 



