June, 1914.] 
The Panicums of Ohio. 
35i 
very slender, spreading or drooping; sheaths as long or longer than 
the intemodes; leaves glabrous or pilose, especially on the lower 
surface; 4-10 inches long, ^ to | inch wide; primary panicle 
loose and open; spikelets obtuse or aeutish, pubescent with spread¬ 
ing hairs; outer empty glume to 3 as long as the spikelet. In 
woods. Rather general. 
12. Panicum werneri Scrib. Werner’s Panic-grass. A 
smooth, light colored, tufted, sparingly branched or simple 
perennial (5-IS inches tall. Leaves erect, linear, acuminate 2-4 
inches long, | to A inch wide; panicle loose and open and 
usually included within the leaves; spikelets A inch long, 
somewhat pubescent; cuter empty glume 1 4 as long as the spike- 
let, 1 nerved; the second empty glume 7 nerved. In the dryer 
parts of swamps. Lake, Cuyahoga, Franklin, Athens. 
13. Panicum bicknellii Nash. Bricknell’s Panic-grass. A 
slender, erect or decumbent perennial 8 -lb inches tall. Lower 
intemodes puberulent; sheaths ciliate on the margins, the lower 
ones pubescent; leaves ciliate and narrow at the base, erect, linear- 
lanceolate, primary leaves 3-7 inches long, | to A inch wide; 
panicle 3-4 inches or less long, the primary ones longer than the 
secondary ones; spikelet oval, or ovate, pubescent, hairs ascend¬ 
ing; outei empty glume 1-nerved; the second empty glume 9- 
nerved. Dry woods. Gallia county. 
14. Panicum sphaerocarpon Ell. Round-fruited Panic- 
grass. An almost simple, usually erect perennial with somewhat 
pubescent nodes. Sheaths shorter than the intemodes, ciliate 
on the margin, glabrous; leaves 1-4 inches long, | to | inch wide, 
acuminate, ciliate toward the base; panicle ovoid, long-exserted, 
1-3H> inches long, loosely flowered; spikelets greenish to purplish, 
re inch or less long. Dry or sandy soil. Cuyahoga, Summit, 
Trumbull, Hocking, Sciotc. 
15. Panicum polyanthes Schultes. Many-flowered Panic- 
grass. An erect, smooth, light-green perennial 1 to 3 feet tall. 
Sheaths usually longer than the internodes; leaves ciliate toward 
the base, long-acuminate, all of about the same size, 5 to S inches 
long; to 1 inch wide; panicle 3 to 9 inches, longer than wide, 
branches slender; spikelets A inch long, numerous, ovoid to 
spherical; outer empty glume minute; second empty glume 7 
nerved. Woods. Fairfield, Hocking, Jackson. 
lb. Panicum dichotomum L. Forked Panic-grass. A 
smooth perennial or having the lower nodes barked, erect, purplish 
from a rootstock. Sheaths about JT the length of the intemodes; 
leaves light green to purplish, spreading, 2 to 4 inches long, | to 
1 inch wide; panicle 1 to 3J4 inches long, primary panicle 
much exserted, secondary panicle included; few spikelets borne at 
the ends of the long, flexuous branches of the panicle; spikelets 
A inch long, glabrous, or rarely pubescent; outer empty glume 
