350 The Ohio Naturalist. [Vol. XIV, No. 8, 



7). Panicum miliaceum L. Millet Panic-gfass. An erect 

 or decumbent annual S-'lO inches high, hispid or sometimes gla- 

 brous. Sheathes papillose-hirsute; leaves .3-10 inches long, ;j-S 

 -1 inch wide, generally pubescent; ])anicle dense, erect or spreading 

 and droo]jing at maturity; spikelets ovoid-acuminate; outer 

 -empty glume | as long as the spikelet, .'3-7 nerved; second empty 

 glmne 1.'] nerved, slightly longer than the other glumes. In 

 waste i^laces. Lawrence, Eric, Richland introduced. 



(). Panicum capillare L. Tumble Panic-grass. A stout spar- 

 ingly branched, erect or decumbent annual, very si)aringl\- branch- 

 ed; sheaths papillose-hirsute; leaves pubescent, ()-12 inches long; 

 A to f inches wide; ])aniclc very large and diffuse, included until 

 maturity; sjnkelcts about ^ inch long; outer empty glume 

 ,' 4 -/■2 as long as the spikelet; second empty glume exceeding the 

 fruit. In dry soil as a bad weed. General and abundant. 



7. Panicum gattingeri Nash. Gattinger's Panic-grass. Sim- 

 ilar to P. capillare bnt branching from all the nodes. Panicles 

 more numerous Init not so spreading or diffuse, lca^'es less hirsute. 

 Moist open ground. Rather general. 



<S. Panicum flexible (Gatt.) Scril). Wiry Panic grass. A 

 slender erect annual yi to 2 feet high with a few erect branches. 

 Bearded at the nodes; sheaths papillose-hirsute; leaves 4-10 inches 

 If^ng; ife fo ^ inches wide or wider; more or less pubescent; 

 panicle narrow, 4-9 inches long, about half the entire length of the 

 ])lant; sjjikelets less than | inch long, solitary at the ends of 

 the branchlets; outer emuty glume ^4 as long as the spikelet; 

 second empty glume long acuminate. Adams, Champaign, 

 Madison, Franklin, Erie, Cuyahoga. 



i). Panicum philadelphicum Beruh. Philadeli)hia Panic- 

 grass. A slender erect, frceh'-branching annual, decumbent at 

 the base, (i-lO inches high. Leaves less than 4 inches long, yV 

 to 1^ inch wide; ])anicle \ the entire length of the plant, few 

 flowered, spikelet ^^ inch long, solitary or in 2's at the end of the 

 divergent branchlets, eliptic, acute, smooth; outer empty glume 

 \ the length of the spikelet; inner empty glume and lemma of the 

 sterile flower equal and barely longer than the fruit. In dry 

 woods or sandy shores. Ottawa count)'. 



10. Panicum depauperatum Muhl. Slar\ed Panic-ura.ss. 

 An erect or ascending dichotomous perennial, S-Hl inches high. 

 Nodes ascending pubescent; u]j])er sheaths shorter than the 

 internodes, glabrous or pilose; leaves erect, elongated, iV to | 

 inch wide; ])rimary j)anicle nuich exserted, lower panicle often 

 hidden in the leaves; spikelets \ inch long, glabrous, acute; the 

 .second empty glume extending beyond the fruit. In dry soil. 

 Cu\-ahoga countw 



1 1 . Panicum linearifolium Scrib. Linear-leaf Panic-grass. 

 A densely tufted jierennial, S-22 inches high; culms glabrous, erect, 



