338 PLANT LIFE OF ALABAMA. 
Andropogon tetrastachyus Ell. Sk.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. 
Mour’s Brarp-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; first collected 
October, 1883; Springhill. Not rare. 
Type locality: ‘‘Alabama: in pinetis uliginosis prope Mobile (Mohr).” 
Herb. Geol. Surv. Herb. Mobr. 
Andropogon elliottii Chap. I'1.581. 1860. ELLIOTT’s BEARD-GRass. 
Gray, Man. ed. 6, 638. Coulter, Contr. Nat. Herb. 2:496. Chap. Fl. 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 BrARD-GRass. 
Andropogon argenteus Fl. 8k.1:148. 1816. Not DC. 
A. belvisii Desv. Opuse. 67. 1831. 
Gray, Man. ed. 6, 637. Chap. Fl. Suppl. 668. Coulter, Contr. Nat. Herb. 2:496. 
Chap. FI. 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. Pl.4:919. 1806. ForkEp Bearp-Grass. 
Andropogon provincialis subvar. furcatus Hackel in DC. Monogr. Phan. 5: 442. 1889. 
BL Beet, Gray, Man. ed. 6, 637. Chap. F1.581. Coulter, Contr. Nat. sterb. 
Canadian zone to Louisianian area. From Manitoba and 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 
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; 1 species American. 
Chrysopogon avenaceus (Michx.) Chap. F]. 583. 1860. INDIAN-GRass, 
Andropogon avenaceus Michx. F1. Bor. Am. 1:58. 1803. 
A, ciliatus Ell. Sk. 1:144. 1816. 
Sorghum nutans Gray, Man. 617. 1848. 
Gray, Man. ed. 6, 638. Chap. F]. 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 Illinoensibus,” 
Herb. Geol. Surv. Herb. Mohr, 
