64 
TRIANDRIA, DIGYNIA. 
Pcjeformis* 
nerved glabrous, the interior orbicular, a little 
shorter and broader. MuhU 
Grows in the same place with Fuirena Squarrosa, near 
Kaighn^s point. July. 
57* WiNBSORiA, Nuttall, Gen. Am. pi. vol.i. p. 70. ( Gra* 
minece- J 
Calix carinate, many-flowered, 2-valved ; 
valves rather large, scariose, uninervial, acute 
or cuspidate. Spikclets thick ; flowers 
closely incumbent, and distichaliy imbrica- 
ted ; nerves of the dorsal valve mucronate, 
with intermediate dentures, ciliate below : 
inner valve mostly naked, emarginate. Styles 
slender, with simply pectinated stigmas. 
Seed calciform, corrugate, impressed with a 
flat, central, oval hilum near its base. Nutt. 
1. W. spikelets mostly 5-flowered, exterior valve of 
the corolla ovate, convex, tricuspidate, with 2 in- 
termediate teeth, inner valve with 2 setaceous 
points, smooth. Nutt. 
Poa Sesleroides, Mich. 
Poa quinquefida, Pursh. 
Poa flava. L. 
Poa subverticillata, Lamark ? ^ 
Festuca purpurea, Schreber. 
Red-top. 
About two feet high, generally of a reddish purple, but I 
have collected specimens of a yellow colour, and some few 
nearly white. In barren woods and on the borders of cultiva- 
ted fields, not uncommon. Perennial. August. 
