130 PANI('A('K.E. 



A very sliMider smooth bniiicliiii^ poronnial. ;{0-8(>-120 cm. 

 hi^fli. Loar-hliulos smooth, shinin<f, flat, taporinj; at tho base, 0-15 

 cm. loiif,', 5-7 mm. wulo. Panicli! oxserted, ])yrami(hil, H-'iO cm. 

 lou<,'; rays few. ca|)inary, mostly siiiffle, bearing few spikeh'ts. 

 Spikek'tsdark <,M'eeii, ohovateoroval, subacute, warty-rougheiu'd, l.»! 

 mm. long; tirst glume very small, second and third equal, tho 

 uerves obscure, long enougli to barely cover the fertik! floret. 



Delaware, Canby ; Florida, Curtiss 3608; New Jersey, U. S. 

 Dejit. Agricul. 103 from Seribner. 



Sandy low land near the coast, from New England to Florida 

 and Texas. 



57. P. brevifolium L. Sp. PI. 87 (1753). 



A slender geniculate branching anniuil, rooting at the lower 

 nodes, 30-(i0 cm. high. Sheaths pilose; ligulo very short; blades 

 flat, oblong-lanceohite, acuminate, rounded at the base, ine(|ui- 

 lateral, 2-5 cm. long, more or less hirsute. Piuicle difl'use, apex 

 oval, 8-12 cm. long; rays branching for most of their length. 

 Si)ikelets borne on stiff, capillary pedicels, obovate. obtuse, 1-1.3 

 mm. long, pnborulent; first glume half to two-thirds as long as the 

 si);kelet, 3-nerved; second and third equal, 3-5-nerved; floret ellip- 

 soidal, subacute. 1 mm. long; palea slightly convex. 



^[exico (Jalisco), l*rin(jle 3S'>S. I'olmer 1083; also in tho AVest 

 Indies and Brazil. Shaded places. 



58. P. ramulosum Michx. Fl. Bor. Am. 1:50 (1803). 



A slender tui'ted perennial, 10-30 cm. high, culms erect, 

 smooth, exserted. Blades linear-lanceolate. 3-4 to a culm, rather 

 firm, flat or becoming involute, scabrous on the nuugins, with a 

 lew hairs near the base and at the ligule. 2-3 cm. long, about 3 

 mm. wide. Panicle diffuse, oval or ])yramiilal, 3-5 cm. long; rays 

 ca)>illary. flexuose, bearing numerous spikelets. Spikelets oval or 

 obovoid. about 1 mm. long; first glume broad, one-third as long as 

 the spikelet; second and floral glume of the neuter floret similar, 

 7-nerved, or the latter 5-nerved; palea half as long as its ghnne; 

 fertile floret smooth, broad, oval. By some believed to be a form of 

 P. (lirliotomum Ij. 



Florida, Curiiss, Chapman, Canby 



