338 PLANT LIFE OF ALABAMA. 



Andropogon tetrastachyus Ell. Sk. 1 : 150. 1816. FOUR-SPIKED BEAKD-GRASS. 



Andropogon viryinicus var. tetrastachyus Hackel in DC. Monogr. 6 : 1889. 



Chap. Fl. 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 rnohrii (Hackel) Hackel; Vasey, Contr. Nat. Herb. 3:11. 1892. 



MOHR'S BEARD-GRASS. 



Andropogon liebmani var. mohrii Hackel in DC. Monogr. Phan. 6 : 413. 1891. 



Chap. Fl. ed. 3, 594. 



Louisiauian 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. Mohr. 



Andropogon elliottii Chap. Fl. 581. 1860. ELLIOTT'S BKAUD-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 BEARD-GRASS. 



Andropogon argenteus Ell. Sk. 1 : 148. 1816. Not DC. 



A. belvisii Desv. Opusc. 67. 1831. 



Gray, Man. ed. 6, 637. Chap. Fl. Suppl. 668. Coulter, Contr. Nat. Herb. 2:496. 

 Chap. Fl. 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. PI. 4 : 919. 1806. FORKED BEARD-GRASS. 



Andropogon provincialis subvar./urcafMS Hackel in DC. Monogr. Phan. 5 : 442. 1889. 



Ell. Sk. 1 : 150. Gray, Man. ed. 6, 637. Chap. F1.581. Coulter, Contr. Nat. Herb. 

 2 : 496. 



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. Culltnan 

 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. Fl. 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. Fl. 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 Illiuoensibus," 



Herb. Geol. Surv. Herb. Mohr, 



