. GRASSES. 3849 
Panicum laxiflorum Lam. Encycl. 4: 748. 1797. LOOSE-FLOWERED PANICUM. 
Gray, Man. ed. 6, 633. Chap. Fl. Suppl. 667. Coulter, Contr. Nat. Herb. 2:506. 
Scribner, Grass. Tenn. 51, t. 14, /. 55. 
Alleghenian to Louisianian area. New Brunswick; New York to Florida. 
ALABAMA: Over the State. In light shaded soil. Cullman County, 800 feet. Lee 
County, Auburn. ‘Tuscaloosa, Hale, and Dallas counties, Frequent; May to July; 
perennial. 
Type locality: ‘Avis d’Amerique septentrionale.” 
Herb. Geol. Surv. Herb. Mohr. 
Panicum pyriforme Nash, Bull. Torr. Club, 26:579. 1899. 
A densely tufted low perennial with rather slender weak culms 12 to 16 inches 
high, finally much branched; stem leaves 2 or 3, thin, lax, smooth on both surfaces, 
serrulate and rough on the margin, long-acuminate, narrowed to the base, 4 to 8 lines 
wide, on the branches much shorter, sheaths papillose-hirsute with reflexed hairs; 
panicle much exserted, ample, ovate, open, with its branches widely spreading, 3 to 
44 inches long; spikelets rather few, broadly obovate, pubescent; flowering glume 
ovate, strongly apiculate. 
Louisianian area. Florida, Mississippi. 
ALABAMA: Metamorphic hills to Coast plain. Damp sandy.banks. Lee County, 
Auburn (Baker §: Earle). Mobile and Baldwin counties. 
This species includes forms from Florida and the eastern Gulf coast heretofore 
united with P. laxiforum Lam. ° 
Type locality: “In clay soil, at Orange Bend, Lake County, Fla., March, 1894.” 
(Nash, 239). 
Herb. Geol. Surv. Herb. Mohr. 
Panicum ciliatum Ell. Sk.1:126. 1817, 
P, ciliatifolium Kunth, Enum. 1: 108. 1833. 
El. 8k. I. ce. 
A low, somewhat tufted, pale green perennial with an erect, smooth, andslenderculm 
8 to 12 inches high; sheaths smooth; leaves lanceolate, 1 to 2 inches in length and 2 
to 3 lines wide, smooth on both surfaces, and with ciliate margins; basal leaves very 
pumerous; papicle small, 1 to 2 inches long, exserted; spikelets on slender pedi- 
cels, obovate, acute, smooth; first glume more than half the length of the second. 
Louisianian area. Southeastern North Carolina along the coast to western 
Florida. 
ALABAMA: Coast plain. Damp low sandy soil. Vicinity of Mobile, June, July, 
in dry open places (Nearney). 
Type locality: “Grows in damp soils [South Carolina and Georgia.” 
Herb. Geol. Surv. Herb. Mohr. 
Panicum consanguineum Kunth, Enum. 1:106, 1833. 
Panicum villosum Ell, Sk. 1:124. 1817, Not Lam. 1791. Fide G. V. Nash, Bull. 
Torr, Club, 23: 147, 1896. 
El. Sk.l.c. Gray, Man. ed. 6, 633. Chap. FI. ed. 3, 585. 
Carolinian and Louisianian areas. Near the coast from North Carolina to Florida 
and Louisiana. 
ALABAMA: Lower division Coast Pine belt. Coast plain. Damp light soil. Bald- 
win and Mobile counties. Washington County. March to July. Flourishes in 
the Coast plain throughout the winter. 
Type locality: ‘‘ America septentrionalis.” 
Herb. Geol. Surv. Herb. Mohr. 
Panicum earlei Nash, Bull. Torr. Club, 26:571. 1899. 
A densely tufted perennial with slender culm 4 to 6 inches high, smooth; finally 
branched. Stem leaves about 3, lanceolate, ascending, and like the sheaths spar- 
ingly hirsute with long spreading hairs, } inch to 14 inches long and 1 to 3 lines 
wide; rough on the margin; panicle broadly ovate, with smooth, spreading 
branches; spikelets elliptic, obtuse, smooth. 
Carolinian area. i ean 
BAMA: Metamorphic hills Lee County, Auburn (Larle §* Baker). 
tree locality: A Ginn, Lee County, Alabama.” (Earle §; Baker, Nos. 1532, 1535.) 
Herb. Geol. Surv. 
Panicum albo-marginatum Nash, Bull. Torr. Club, 24:40. 1897. 
A slender, tufted, smooth perennial, with the rather weak culms simple or 
branched from near the base, 8 tu 14 inches high; leaves lanceolate, mostly clustered 
near the base, firm, the largest 1} to 2 inches ‘Jong and 3 to 4 lines wide; the few 
upper leaves much reduced, all with white thickened margins. Panicles small, 1 to 
