TRIANDRIA, DIGYNIA. 
Easily recognised by its dingy purplish colour, and obliquely 
decumbent culms Along sandy and gravelly way-sides, com- 
mon both this, and the Jersey side of the Delaware. Annual. 
July, August. 
6. P. panicle diffuse, spikes four-flowered, glumes 
lanceolate 6-nerved, Itgula short obtuse. Smith. 
Willd. 
Icon. Engl. Bot. t. 1073. 
Common Spear-grass. 
Introduced, and naturalized, being found every where in 
grassy fields. Perennial. June. 
7. P. panicle diffuse, spikes 3-flowered, glumes lan- 
ceolate 5-nerved, Ugula long. Smith. Willd. 
Icon. Engl. Bot. t. 1072. 
Rough-stemmed Spear-grass. 
Also introduced and naturalized. In meadows and fields 
common with the preceding, and very like it ; easily distin- 
guished, however, by ihe ligula, which is short, truncate or 
obtuse in No. 6, and long, more inclining to acute in the pre- 
sent species. Perennial. June to August. 
8. P. leaves flat, linear, abruptly acute ; panicle 
somewhat crowded ; spikes ovate, acute, four- 
flowered. Elliot. 
P. angustifolia, Smith. ? 
P. pratensis, Schrader. 
Green Meadoxv^ grass. Green-grass. 
About twelve or eighteen inches high, with leaves of a re- 
markably deep green colour. In meadows and grass plots, 
common. It ^fiords good fodder. (Muhl.) Root perennial, 
creeping. May, June. 
9. P. culm 3 feet high, terete, striate, glabrous point- 
ed. Leaves alternate amplexicaule horizomal, 
lanceolate smooth striate, carinate. Ligula shorl 
ovate. Sheath smooth, striate© Panicle terminal 
