34 JOURNAL OF THE 
Div. Bot. 8: 32 (1889). P. scoparium Lam, var. Lieber- 
gw Vasey, 1. c. Culms single or few together, erect, 
1—2 feet high, at first simple, at length much branched 
above, more or less pubescent with spreading hairs. 
Sheaths papillose-hirsute, the hairs spreading; ligule 
hairy. Leaves lanceolate, the largest 3’—4’ long, 4’’—5”’ 
wide, rounded at the base, erect, papillose-hispid beneath, 
above generally glabrous. Panicle narrow, about 3’ 
long, the flexuous branches erect or ascending. Spikelets 
obovate 1%”’ long, the first scale nearly one-half as long as 
the pubescent second and third. 
Very closely related to P. Scribnerianum. Dry soil. According to 
Britton and Brown extending from Minnesota and South Dakota to 
Nebraska, Missouri and Ohio. Iowa: Pammell, 1896. 
15) PANICUM SCRIBNERIANUM Nash, Torr. Bul. 22: 
421 (1895). FP. scoparium var. minor Scribn. (1894). 
Not P. capillare var. minus Muhl. P. pauciflorum A. 
Gray (1848). Not Ell. (1817). BP. scoparium Watson 
Sixth Ed. Gr. Man. 632 (1889). Not Lam. Encl. 4:743 
(1797). Culms 8’—20’ high, tufted, erect, at first colum- 
nar, at length much branched above. Sheaths shorter 
than the internodes, from nearly glabrous, especially in 
the northern forms, to papillose-hispid, the pubescence 
ascending; nodes not barbed. Leaves spreading or ascend- 
ing , lanceolate, 2’—33’ long, 3’”’—5”’ wide, rounded at the 
base, smooth above, glabrous or rough beneath. Panicle 
2’-—3’ long, broadly oval, branches rather many-flowered; 
spikelets obovate, 15” long. 
Most closely related to P. Liebergit, and P. scoparium, and P. malaco- 
phyllum. Dry soil, North Carolinaand Tennessee to Wyoming, east 
to Ontario and Maine. North Carolina: Ashe; Raleigh, July, 1895, 
Tennessee: Ruth; Knoxville; 1897. Missouri: Bush; 1894, No, 
729. Wyoming: Nelson ; 1894, No. 516, 
16) PANICUM EQUILATERALE Scribn. Bul. 11, U. S. 
Div. of Agrost. 42 (1898). Stems somewhat tufted froma 
generally geniculate base, glabrous. Sheaths short and 
