44 CLASS ITI. ORDER HI. 



A slender, erect, pubescent species, with a small capillary 

 panicle. Sheaths and sometimes the culm hairy. Leaves lan- 

 ceolate, the uppermost close to the panicle, the lower ones close 

 to the ground, very short, ovate, acute. Smallest glume often 

 purple. — Wet meadows, and sometimes dry grounds, varying in 

 pubescence. — July. — Annual. 

 Panicum nodiflorum. Lam. Dense Panic grass. 



Panicles very small, lateral and terminal ; glumes 

 ovate, pubescent; leaves lanceolate; culm procum- 

 bent. 



A procumbent species, invested with thin hairs. Leaves short 

 lanceolate, crowded in tufts on the ends of the branches, and 

 nearly concealing the small panicles. — Dry fields. — July, August. 



It appears to be the P. nodiflorum of Pursh, excluding Mi- 

 chaux's synonym. 



Panicum dichotomum. Pursh. Parked Panic grass. 



Panicle simple, few flowered; glumes obovate ; 

 leaves linear-lanceolate, divaricate, glabrous; culm 

 dichotomous, procumbent. 



Procumbent like the foregoing. Leaves of the culm lanceo- 

 late ; those of the branches much smaller, linear, and divaricated. 

 Panicle with few scattered flowers. — Dry fields and woods. — 

 July. 



48. ANDROPOGON. 

 Andropogon nutans. L. Chcsnut Beard grass. 



Panicle compressed, nodding; calyx hairy; barren 

 flower caducous ; perfect floret with a long twisted 

 awn. 

 Syn. Andropogon avenaceus. Mr. 



A tall grass with a long panicle of hairy, chesnut colored 

 flowers. Culm four or five feet high. Leaves rough on the 

 edge. Panicle slightly nodding. Calyx villous; corolla red, 

 with a long shining awn twisted and bent.— Borders of Dry 

 Woods. — August, September. — Perennial. 



