48 
TRIANDRIA, DIGYNIA. 
Water-panic-grass. 
rostratum, 
Muhl. 
vjrgatum. 
dicbotomum. 
eapillare. 
minor. 
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^ivaricate. 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. 
4. P. culm and leaves very glabrous ; panicle diffuse, 
ver> large ; glumes acuminate, smooth. EUtot. 
P. coloratum, Walt. 
A beautiful grass from three to six feet high . On 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. 
5. P. panicle very simple few flowered ; glumes obo- 
vate, leaves linear lanceolate divaricate smooth, 
base andneck bearded, stem dichotomous. Pursh. 
Under a foot high. In dry woods frequent, particularly in 
Jersey. July and August. 
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 Sinf.hes to 5 feet. With 
us it seldom attains a greater stature than eighteen inches. In 
sandy fields, particularly in Jersey, quite frequent. Ammal. 
June and July. 
/3. culm smooth, half a foot high, nearly purple, joint- 
ed, joints white. Leaves linear-lanceolate pubes- 
cent and hairy. Ligula white, beard-form. Sheath 
