TRIANDRIA, DIGYNIA. 
Blue-grass* Wire-grass, 
59 
A well-known grass. It makes excellent hay. Root peren* 
nial and repent. Middle of June. 
3. P. panicle fasciculated ; spikes very long, nearly reptans, 
sessile, many-flowered ; flowers oblong acute 
loose ; leaves short pubescent ; culm branched, 
creeping. Mich. 
P. hypnoides, Lam. encycl. 5. p« 87. 
Icon. Mich. t. 11. (excellent.) 
Creeping Meadow-grass. 
A most delicate and beautiful little grass, about a span high, 
with a dichotomous, creeping geniculate, assurgent culm , and 
subulate opposite leaves. Close to the margin of the Schuyl- 
kill, on the western shore, towards the falls, rare. July, and 
August . 
4. P. panicle loose, expanding, capillary ; spike 3 — capiiiaris. 
5-flowered ; flowers pubescent ; leaves hairy ; 
culm very much branched. Sp.pl. 
P. angulata, Walt ? 
Hair-panicled Meadow-grass. 
Generally under a foot high, but varying in size exceedingly. 
©ne of the most common species. In fields. Annual. Au- 
gust. 
5. P. culm a span high oblique and procumbent, ph®sa, 
jointed, somewhat angular. Leaves linear lanceo- 
late, 5-nerved, hairy at the base. Ligula bearded. 
Sheath striate glabrous, hairy at the neck. Pa- 
nicle erect, at length diffuse. Lower branches of 
the panicle aggregated 4 — 6, the upper ones soli- 
tary flexuous, with joints hairy at the base. Calix 
2-valved, 4— 6 — 8 — 12-flowered, purplish at the 
apex. Cor. 2-valved, the valves somewhat obtuse, 
inflated, purplish, smooth at the base. * Muhl. 
P. pectinacea, Mich. 
Hairy Meadow-grass, 
