3388 PLANT LIFE OF ALABAMA. 
Andropogon tetrastachyus Ell. 8k.1:150. 1816. FOUR-SPIKED BEARD-GRASS. 
Andropogon virginicus var. tetrastachyus Hackel in DC. Monogr. 6: 1889. 
Chap. FI. 581. 
Louisianian area. South Carolina and Florida to Iowa. 
ALABAMA: Lower Pine region. Coast plain. Mobile County, open damp pine 
barrens. October. Frequent. 
Type locality: ‘Grows in damp pine barrens, near Charleston.” 
Herb. Geol. Surv. Herb. Mohr. 
Andropogon mohrii (Hackel) Hackel; Vasey, Contr. Nat. Herb. 3:11. 1892. 
MOHR'’s BEARD-GRASS, 
Andropogon liebmani var. mohrit Hackel in DC. Monogr. Phan. 6:413, 1891, 
Chap. Fl. ed. 3, 594. 
Louisianian area. Florida to Mississippi. 
ALABAMA: Coast plain. Flat damp pine barrens. Mobile County; tirst collected 
October, 1888; Springhill. Not rare. 
Type locality: “Alabama: in pinetis wliginosis prope Mobile (Mohr).” 
Herb. Geol. Surv. Herb. Mohr. 
Andropogon elliottii Chap. I°1.581. 1860. ELLIOTY’S BEARD-GRABS. 
Gray, Man. ed. 6,638. Coulter, Contr. Nat. Herb. 2:496. Chap. FI. ed. 3, 593. 
Louisianian to Carolinian area. Florida west to Texas, Arkansas, Missouri, and 
Tennessee, and north along the coast to Delaware. 
ALABAMA: Lower Pine region. Coast plain, Flat pine barrens, pastures, old 
fields, in close sandy soil. Mobile and Baldwin counties, Abundant. October. 
Type locality: ‘‘ Wet or dry pine barrens, Florida to North Carolina.” 
Herb. Geol. Surv. Herb. Mohr, 
Andropogon argyraeus Schult. Mant. 2:450, 1824. SILVERY BEARD-GRASS, ‘ 
Andropogon argenteus Ell. Sk.1:148. 1816. Not DC, 
A, belvisii Desv. Opuse. 67. 1831. 
Gray, Man. ed, 6, 687. Chap. Fl. Suppl. 668. Coulter, Contr. Nat. Herb, 2: 496. 
Chap. F1. ed. 3,593. 
Carolinian and Louisianian areas. Florida west to Texas, Arizona, Colorado, 
Tennessee, and southern Missouri. 
ALABAMA: Coast plain to Coosa Hills. Dry siliceous soil. Calhoun County, Annis- 
ton, barren cherty hills. Mobile County. Baldwin County, dry sandy pine ridges, 
September. Frequent. 
Type locality: ‘Grows in dry soils [South Carolina and Georgia].” 
Herb. Geol. Surv. Herb. Mohr. 
Andropogon furcatus Muhl.; Willd. Sp. P1,4:919. 1806. © ForkED BrEaRrD-Grass. 
Andropogon provincialis subvar. furcatus Hackel in DC. Monogr. Phan. 5: 442, 1889, 
Ell. Sk.1:150. Gray, Man. ed. 6, 637. Chap. F1.581. Coulter, Contr. Nat. :lerb, 
2: 496. 
Canadian zone to Louisianian area. From Manitobaand Saskatchewan to Quebec 
and Ontario, south to the States east of the Mississippi, and Texas, 
ALABAMA: Over the State. Dry light soil, open woods, prairies. Cullman y 
County. Calhoun County, Anniston, Tuscaloosa, Montgomery, and Mobile counties. 
Frequent, July to August. 
Type locality: ‘Hab. in America boreali.” 
Herb. Geol. Surv. Herb. Mohr. 
CHRYSOPOGON Trin. Fund, Agrost. 187. 1820. 
Twelve species, mostly perennial. Southern Europe, Asia; | species American, 
Chrysopogon avenaceus (Michx.) Chap. FI. 583. 1860. INDIAN-GRASS. 
Andropogon avenaceus Michx. Fl. Bor. Am. 1:58. 1803. 
A. ciliatus Ell. Sk. 1:144. 1816. 
Sorghum nutans Gray, Man. 617. 1848, 
Gray, Man, ed. 6, 638. Chap. FI. 583. Coulter, Contr, Nat. Herb. 2:494, 
MEXICO TO BRAZIL. 
Alleghenian to Louisianian area, Saskatchewan south to Colorado and Texas; 
New England to Florida and the Gulf. 
ALABAMA: Throughout the State. Most abundant in dry pine barrens. 
Type locality: “Hab. in vastissimis pratis I]linoensibus.”’ 
Herb. Geol. Surv. Herb. Mohr. 
