rostratum, 

 Mulil. 



48 TRIANDRIA, DIGYNIA. 



Water -panic- grass. 



Decumbent at the base. Always found near water. On 

 the borders of the Schuylkill common. Annual* August. 



3. P. culm compressed, sheathes hairy, ancipitous ; 

 panicles racemose, pyramidal, with the flowers 

 appressed ; branches frequently divaricate. Elliot. 



P. anceps, Mich. 



Two-edged panic-grass. 



Two or three feet high. On the borders of ditches, and 

 field drains, and other wet places, common. Perennial. Au- 

 gust. 



virgatum. 4. P. culm and leaves very glabrous ; panicle diffuse, 

 very large ; flumes acuminate, smooth. Elliot. 

 P. coloratum, Walt. 



A beautiful grass from three to six feet high. Op the road 

 from Kaighn's point to the Woodbury road (Jersey), along the 

 fences; also along the fences of fields, near Woodbury; to- 

 lerably frequent. Perennial. August and later. 



dichotomum. 5. P. panicle very simple few flowered ; glumes obo- 

 vate, leaves linear lanceolate divaricate smooth, 

 base and neck bearded, stem dichotomous. Pursh. 



Under a foot high. In dry woods frequent, particularly in 

 Jersey. July and August. 



capiiiare. 6. P. panicle capillary very much branched, loose ; 

 flowers small, all pedicellated, solitary oblong-oval 

 acuminate, awnless. Leaves and sheathes very 

 hairy. Mich. Willd. 



Said by Pursh to vary in height from 3 inches to 5 feet. With 

 us it seldom attains a greater stature than eighteen inches. In 

 sandy fields, particularly in Jersey, quite frequent- Annual. 

 June and July. 



minor. 9>< culm smooth, half a foot high, nearly purple, joint- 



ed, joints white. Lea^ es linear-lanceolate pab> s- 

 ceut and hairy. Ligula white, beard-form. Sheath 



