102 GRAMINEAE. 
4. Andropogon furcatus Muhl. Forked 
Beard-grass. (Fig. 219.) 
pg gat Surcatus Muhl.; Willd. Sp. Pl. 4: g19. 
1806. 
— 
oe gana 
Andropogon provincialis subvar. furcatus Hack. in 
DC. Mon. Phan. 5: 442. 1889 
Culms erect, stout, smooth and glabrous, 3°-6° 
tall, simple at base, branched above. Sheaths 
smooth and glabrous; leaves smooth or rough, 6/— 
18’ long, 2’’-7’’ wide, acuminate; spikes 2-5, in 
pairs or approximate at the summit, 2’-5’ long; 
joints of rachis and pedicels ciliate with short 
hairs; outermost scale of sessile spikelet 3//-4/” 
long, twice the length of the rachis-joints, scab- 
rous; awn 5’’-7” long, loosely spiral; pedicelled 
spikelet consisting of 4 scales. 
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In dry or moist soil, Maine and Ontario to Manitoba, 
south to Florida, Kansas and Texas. Aug.—Sept. 
5. Andropogon Virginicus I. Virginia Beard-grass. (Fig. 220.) 
Andropogon Virginicus I,. Sp. Pl. 1046. 1753. 
Cinna lateralis Walt. Fl. Car. 59. 1788. 
Andropogon dissitiflorus Michx. Fl. Bor. Am. I: 
57. 1803. 
Andropogon vaginatus Ell. Bot. S. C. & Ga. 1: 
148. 1817. 
Culms erect, smooth, 2°-4° tall, simple at 
base, branching above. Sheaths smooth; leaves 
6/-1° long, 1/’-3’’ wide, long-acuminate, scab- 
rous on the margins; branches of culm short, 
forming a loose and elongated inflorescence ; 
spikes in pairs, occasionally 3 or 4, about 1’ long, 
loose, protruding from the sides of the spathes; 
rachis flexuous, slender, the joints and pedi- 
cels pubescent with long spreading silky hairs; 
lowest scale of sessile spikelet about 114’ long; 
awn 4’/-9’ long, straight, scabrous; pedicelled 
spikelet generally wanting, occasionally a rudi- 
mentary scale present. 
In dry or moist fields, Massachusetts to Pennsyl- 
vania and Illinois, south to Florida and Texas. \ 
Also in Cuba. Aug.—Sept. 
6. Andropogon glomeratus ( Walt.) B.S. P. Bushy Beard-grass. (Fig. 221.) 
Cinna glomerata Walt. Fl. Car. 59. 1788. 
Slut macrourum Michx. Fl. Bor. Am. 1: 56. 
Aavacorcn glomeratus B. S. P. Prel. Cat. N. Y. 67. 
1888. 
Culms erect, 1'4°-3° tall, smooth, simple below, 
much branched above, upper nodes of branches 
barbed. Sheaths compressed, smooth to strongly 
scabrous, glabrous or pubescent; leaves 1//—2// 
wide, scabrous, long-acuminate, the basal two-thirds 
as long as or equalling the culm, those of the culm 
6’-18’ long; branches elongated, forming a com- 
pact terminal inflorescence ; spikes in pairs, about 
1’ long, loose, protruding from the sides of the 
scabrous spathes; rachis flexuous, the joints and 
pedicels pubescent with long spreading silky hairs ; 
outermost scale of sessile spikelet about 114’ long ; 
awn 6//-9’ long, scabrous; pedicelled spikelet 
reduced to a single scale or wanting. 
Damp soil, southern New York to central Pennsylva- 
nia and Florida, mostly near the coast. Sept.—Oct. 
