GRASSES. 355 
Panicum joorii Vasey, Contr. Nat. Herb. 3:31 1892. 
Chap. Fl. ed. 3, 584, 
Carolinian and . Louisianian areas. Southwestern Missouri (?), Tennessee, and 
Louisiana. 
ALABAMA: Central Prairie belt. Damp woods, rich soil. Tuscaloosa County (Dr. 
E, A, Smith). Hale County. Dallas County. August, September; not infrequent; 
perennial. 
Type locality: “Louisiana (Dr. J. F. Joor) and Mississippi (8. M. Tracy).” 
Herb. Geol. Surv. Herb. Mohr. 
Panicum latifolium L. Sp. Pl. 1:58. 1753. 
Panicum walteri Poir. Encycl. Suppl. 4:282. 1816. Not Pursh 1814. 
P. porterianum Nash, Bull. Torr. Club, 22: 420. 1895. 
El. Sk.1:119. Gray, Man. ed. 6,632. Chap. F 1.575; ed. 3, 584. 
Coulter, Contr. Nat, Herb. 507. Scribner, Grass. Tenn. 2:47, ¢. 12, f..40. 
Alleghenian to Louisianian area. Ontario, New England to Florida and Louisiana, 
and west from Missouri to Arkansas and eastern Texas. 
ALABAMA: Over the State. Moist thickets and woods. June to September; com- 
mon, perennial. 
Type locality: ‘Hab. in America.” 
Herb. Geol. Surv. Herb. Mohr. 
Panicum pubifolium Nash, Bull. Torr. Club, 26:577. 1899. 
Panicum latifolium molle Vasey, Contr. Nat. Herb. 3:33. 1892. Not P. molle Sw. 1788. 
A softly pubescent, densely tufted perennial, the culms 2 to 26 inches high, finally 
much branched, pubescent with soft spreading hairs, the nodes densely barbed; stem 
leaves 3 to 5, more or less spreading, minutely serrulate or rough on the margins, 
ovate-lanceolate, acuminate, gradually narrowed to the rounded cordate-clasping 
base; primary panicles usually little exserted, sometimes included at the base, 
densely pubescent; spikelets about 2 lines long, narrowly obovate, pubescent. 
Carolinian and Louisianian areas. New York to Missouri; south to Florida and 
Mississippi. 
ALABAMA: Central to Lower Pine belt. Tuscaloosa and Butler counties. Dry 
rocky woods. May, July, and August. Notrare. Perennial. 
Type locality: ‘‘ Usually in rocky woods, New York to Missouri, south to Florida 
and Mississippi.” 
Herb. Geol. Surv. Herb. Mohr. 
Panicum clandestinum L. Sp. Pl. 1:58. 1753. HisPip Panicum. 
Gray, Man. ed. 6,632. Chap. F1.575. Coulter, Contr. Nat. Herb. 2:'07. 
Alleghenian and Carolinian areas. Quebec, Ontario, New England, New York, 
Michigan, Missouri; throughout the Ohio Valley, south to Texas, and along the 
mountains from Virginia to Georgia. 
ALABAMA: Mountain region. Low damp banks and grassy swales. 
Clay County, near Moseley, 1,000 feet altitude; only locality known in the State. 
August. Perennial. 
Type locality: ‘‘Hab.in Jamaica, Pensylvania, AKalm.” 
Herb. Geol. Surv. Herb. Mohr. 
Panicum flexile (Gattinger) Scribner, Grass. Tenn. 2:44, #. 10, f. 40. 1894. 
WiRY PANIC-GRASS 
Panicum capillare flexile Gattinger, Fl. Tenn. 94. 1887. 
Annual; culm 2 to 24 feet high, geniculate and branching at the base, slender, 
pilose-bearded at the nodes; leaves flat, linear-lanceolate, acute, sparsely hairy, 
scabrous on the margins, which are pilose at the base; panicle open, the branches 
capillary, the scabrous spreading pedicels much longer thay the lanceolate, acumi- 
nate spikelets; first glume triangular, obtuse about one-third the length of the second 
and third 5 to 7 nerved glumes. Resembling closely P. cognatum. 
Carolinian and Louisianian areas. Tennessee. 
ALABAMA: Central Prairie region. Exposed places in light soil. Dallas County, 
Marion Junction. September; local; not frequent; annual. 
Type locality: ‘“‘Abounds in the cedar glades (middle Tennessee).” 
Herb. Geol. Surv. Herb. Mohr. 
Panicum cognatum Schult. Mant. 2: 235. 1824. AUTUMNAL PaNnic-GRass. 
Panicum divergens Muhl. Gram.120. 1817. Not H.B.K. 
P. autumnale Bosc; Spreng. Syst. 1: 320. 1825. (?) 
Ell. Sk.1:130. Gray, Man. ed.6, 630. Chap. Fl. 574. Vasey, Contr. Nat. Herb. 
3:33. Coulter, Contr. Nat. Herb, 2: 508. 
