316 
OHIO BIOLOGICAL SURVEY 
19. Panicum lindheimeri Nash. Lindheimer’s Panic-grass. An 
erect or spreading dichotomously branched perennial grass l-ly^ ft. 
high, with swollen nodes and a loosely flowered papicle with ascend¬ 
ing or spreading branches, the primary one long-exserted. Spikelets 
pubescent, obovoid; outer empty glume minute. 
In dry sandy woods and open ground. June-Aug. Ashtabula, 
Hocking. 
20. Panicum huachucae Ashe. Hairy Panic-grass. A profusely 
branched erect or somewhat decumbent, hairy perennial grass, ^-1^ 
ft. high, with a rather densely flowered, ovoid panicle with ascending 
or spreading branches. Spikelets pubescent; outer empty glume 
minute. 
In dry soil and on prairies. June-Sept. General. 
21. Panicum villosissimum Nash. Villous Panic-grass. A vil¬ 
lous, olive-green perennial grass with tufted, at length branched, 
erect or ascending stems, 1-2 ft. high, and a loosely flowered, long- 
exserted primary panicle. Spikelets obovate to elliptic, densely 
pubescent with short spreading hairs; outer empty glume a little 
less than ^ as long as the spikelet. 
In dry sandy soil and open woods. June-Aug. Cuyahoga, Erie, 
Licking. 
22. Panicum implicatum Scrib. Slender-stemmed Panic-grass. 
A slender, tufted, more or less pubescent, at length much branched 
perennial, j^-2 ft. high, with densely papillose-hirsute sheaths and 
an open, ovate panicle with widely spreading flexuous branches. 
Spikelets obovoid, obtuse, papillose-pilose; outer empty glume almost 
' p 2 as long as the spikelet. 
In wet soil. July-Sept. Gallia County. 
23. Panicum tsugetorum Nash. Hemlock Panic-grass. A bluish- 
green or sometimes purplish perennial with slender, tufted, branched, 
decumbent or prostrate stems, ft. long, and a rather loosely 
flowered panicle with ascending or spreading branches. Spikelets 
(broadly ovate, pubescent; outer empty glume ys as long as the 
spikelet. 
In sandy woods. June-Sept. Defiance, Summit. 
24. Panicum leibergii (Vasey) Scrib. Leiberg’s Panic-grass. 
A pubescent perennial grass, 1-234 ft. high, with slender, erect, and 
at length branched stems, with papillose-hispid sheaths and an ob¬ 
long panicle with erect or ascending branches. Spikelets oval, papil¬ 
lose-hirsute, outer empty glume the length of the spikelet. 
On prairies and dry soil. June, July. No specimens. 
25. Panicum scribnerianum Nash. Scribner’s Panic-grass. An 
erect perennial with simple or dichotomously branched stems, p 2-2 
