338 TRIANDRIA DIGYNIA. Pod. 



14. P. punctata. Linn, sp. pi. erf. WiUd. i. 395. 



Erect, smooth, from six to eighteen inches high. Panicle 

 oblong-; ramifications simple, expanding, low< r oiks \ erti- 

 celled. Spikelets from twelve to fburteen-flowered, smooth. 

 Seed oblifjiu ly oblong. 



This sp< < ies grows in tufts on pasture ground. 



Culms erect, generally simple, round, smooth ; from six to 

 eighteen inches high, heaves small, smooth ; mouths of the 

 sh< aths bearded* Panicle oblong ; ramifications simple, ex- 

 panding-, the lower ones collected into one verticel ; above 

 alternate. Spikelets pedicelled, rather remote, linear, from 

 twelve to fourteen -flowered. ( 'alyx and coral smooth, thin, 

 showing the unexpauded anthers and stigmas through them. 

 Seed oblong, smooth, brown. 



15. P. elegans. R. * 



Sub-erect, smooth, from one to three feet high. Panicle 

 oblong, nodding- ramifications solitary, ramous, ad pressed. 

 Spikelets from eight to twelve-flowered. *Seef/ globular. 



A very elegant, tall, delicate species, a native of moist pas- 

 ture ground. 



Culms simple, at the base spreading for a few inches, the 

 remaining part is erect, round, smooth ; from one to three feet 

 high. Leaves few and very small, smooth in every part, ex- 

 cept the mouth of the sheaths, which are bearded. Panicles 

 linear-oblong, nodding, composed of erect, ad pressed, distinct, 

 somewhat remote ramification, each of which forms a small, 

 but similar panicle. Partial rachis with the angles hispid. 

 Spikelets pedicelled, linear, from eight to twelve-flowered, 

 purplish. - Coral, outer valve three nerved. Seed globular, 

 smooth, and brown. 



16. P. multiflora. /?. 



Sub-erect, smooth, from six to eighteen inches high. Pa- 

 nicle longer than the rest of the plant, nodding. Spikelets 

 crowded, from fifty to seventy-flowered. Seed globular. 



