354 
The Ohio Naturalist. 
[Vol. XIV, No. 8, 
26. Panicum xanthophysum Gr. Slender Panic-grass. A 
tufted, yellowish-green ascending perennial 1 to 2 feet tall, simple. 
Sheaths loose, sparingly papillose-pubescent; ligule minute; leaves 
3 to 6 inches long, J to f inch wide, often widest at the middle, 
strongly nerved, glabrous except near the ciliate base; panicle 
short to long exserted, few flowered, branches erect; spikelets | 
inch long, or slightly more, obovate, turgid, pubescent, or rarely 
glabrous; cuter empty glume about l / 2 as long as the spikelet, 
second empty glume and lemma of the sterile flower equal. Dry 
soil. Rare. Lake county. 
27. Panicum ashei Pear. Ashe’s Panic-grass. An erect, 
stiff, usually sparingly branched, purplish perennial, in loose 
clumps 10 to 20 inches high. .Sheaths short-eiliate on the margin, 
pubescent, shorter than the internodes; leaves 2 to 3JJ inches long, 
^ to po inch wide, rigid, spreading or ascending, glabrous, ciliate 
near the base; panicle 2 to 4 inches long, branches ascending; 
spikelets purplish, a little more than | inch long, obtuse; outer 
empty glume minute. Dry woods. Cuyahoga, Lake, Trumbull, 
Fairfield. 
28. Panicum commutatum Schultes. Variable Panic-grass. 
A stout, erect, perennial, glabrous, except for the puberulent nodes, 
8 to 30 inches high, diehotomously branched above. Sheaths 
glabrous or puberulent toward the summit, ciliate on the margin, 
sheaths generally shorter than the intemodes; leaves firm, cordate 
clasping, glabrous or puberulent 2 to 4p2 inches long, f to £ 
inches wide; panicle 2 to 5 inches long, spreading; spikelets less 
than | inch long, cliptic, obtuse; outer empty glume minute; 
second empty glume as long as the fruit, 7 nerved, pubescent. 
Dry woods. Lawrence, Gallia, Fairfield, Wayne. 
29. Panicum latifolium L. Broad-leaf Panic-grass. An erect 
smooth, perennial, simple or branched above, 1 to 3 feet high. 
Sheaths smooth and glabrous, ciliate; leaf-blades 2 to 7 inches long, 
| to \]/ 2 inch wide, cordate, clasping at the base, acuminate, 
glabrous or nearly so, ciliate, panicle 2J< to 6 inches long, short 
or long exserted, rarely included, ascending, rather few flowered; 
outer empty glume almost }- 2 as long as the spikelet, acuminate; 
second empty glume oval, obtuse 9 nerved, pubescent. In 
woods. General. 
30. Panicum boscii Poir. Bose’s Panic-grass. A glabrous 
or minutely pubescent perennial 1 to 'l l / 2 feet, bearded with re¬ 
flexed hairs at least at the lower nodes. The sheaths usually 
glabrous or pubescent on the margin and at the summit, leaves 
ovate to broadly lanceolate, 2 to 5 inches long, l / 2 to 1 b 4 inches 
wide, pubescent below, slightly pubescent or glabrous above; 
panicle 2 y 2 to 4 inches long, usually nearly as wide; spikelets £ 
to 3-16 inch long, ovate; outer empty glume ^ to \ as long as 
the spikelet. Warren, Adams, Jackson and Belmont. 
