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OHIO BIOLOGICAL SURVEY 
A bad weed. In dry soil and cultivated fields. July-Sept. Gen¬ 
eral and abundant. 
7. Panicum gattmgeri Nash. Gattinger’s Panic-grass. An an¬ 
nual grass with widely spreading or decumbent stems, sometimes 
forming mats, branching at all the nodes, 1-2 ft. long, and with 
numerous exserted oval panicles, smaller and less diffuse than in 
P. capillare. Sheaths hirsute; spikelets elliptic, acute, glabrous, very 
turgid. 
In moist open ground. Aug.-Oct. Rather general. 
8 . Panicum flexile (Gatt.) Scrib. Wiry Panic-grass. A slender 
erect annual grass, ^-2 ft. high with a few erect branches from the 
base and with a narrowly oblong panicle with ascending branches, 
usually one-half the length of the entire plant. Spikelets acuminate, 
solitary at the ends of the branchlets; outer empty glume ^.s long 
as tlie spikelet. 
In moist or dry sandy soil. Aug.-Oct. Adams, Champaign, 
Madison, Franklin, Erie, Cuyahoga. 
9. Panicum philadelphicum Bernh. Philadelphia Panic-grass. 
A slender, erect or ascending, freely branching annual with zigzag 
stems, 1-2 ft. long, and a rather few-flowered panicle about ^3 the 
length of the plant. Spikelets elliptic, acute, smooth, usually in 2’s 
at the ends of the divergent branchlets; outer empty glume about 
F 3 the length of the spikelet. 
In dry woods and thickets. Aug., Sept. Trumbull, Ottawa. 
10. Panicum depauperatum Muhl. Starved Panic-grass. An 
erect or ascending perennial ft. high, with erect elongated 
leaves, and a few-flowered, much exserted, terminal panicle, the 
lower panicles on very short basal branches. Spikelets glabrous, 
acute; outer empty glume the length of the spikelet. 
In dry soil. June-Sept. Cuyahoga County. 
11. Panicum linearifolium Scrib. Linear—leaf Panic-grass. A 
densely tufted perennial grass with slender erect stems, 5 ^-lp 2 ft. 
high, and a rather few-flowered, loose panicle. Spikelets obtuse or 
acutish, pubescent with spreading hairs; outer empty glume yi-Yz 
as long as the spikelet. 
In woods and hillsides. May-July. Rather general. 
12. Panicum werneri Scrib. Werner’s Panic-grass. A smooth, 
light green, tufted, sparingly branched or simple perennial grass, 
Yz-^Yi ft. high, with erect, linear, acuminate leaves and a loose open 
panicle, which is finally long-exserted. Spikelets oval, somewhat 
pubescent; outer empty glume Y ^-S long as the spikelet. 
In dry woods, fields, and the drier parts of swamps. June, July. 
Lake, Cuyahoga, Franklin, Athens. 
