GRASSES. 337 



Carolinian cand Lonisianian areas. From Florida along the coast to New York 

 and central Pennsylvania; Gulf States to southern Missouri and Tennessee. 



Alai'.ama: Lower Pine lielt. Coast plain. Low damp pine barrens, abounding in 

 flat, barren, and low worn-out ground. 



Type locality : South Carolina. 



Herb. Geol. Surv. Herb. Mohr. 



Andropogon glomeratus hirsutior (Hackel) Mohr, Bull. Torr. Club, 24 : 21. 1897. 



Jndropoiioii nidcroiiriis vnr. liirsufior Hackel in DC. Monogr. Phan. 6:409. 1889. 



Sheaths with long hairy tubercles, green. Seeds smooth, or roughly fimbriate at 

 the base. 



Louisianian area. 



Alabama: Coast plain. Flat pine barrens. Frequent. 



Type locality: '"Alabama prope Mobile (C. Mohr). " 



Herb. Geol. Surv. Herb. Mohr. 



Andropogon glomeratus glaucopsis (Ell.) Mohr, Bull. Torr. Club, 24 : 21. 1897. 



Andropocfon mucrourns var. (jlaiicopsis Ell. Sk. 1 : 150. 1817. 



Lonisianian area. Georgia, South Carolina, Florida. 



Alabama : In wet soil. Mobile. River marshes. October. Four to .5 feet high, 

 robust. Frequent. 



Typo locality: "Grows in damp soils [Sovxth Carolina and Georgia].'" 



Herb. Geol. Surv. Herb. Mohr. 



Andropogon virginjcns L. Sp. PI. 2 : 1046. 1753. Broom Sedge. 



Andropogon dixaUiflornm Michx. Fl. Bor. Am. 1 : 57. 1803. 



A. vaginatus Ell. Sk. 1 : 148. 1816. 



A. virginkus var. viridis Hackel in DC. Monogr. Phan. 6 : 410. 1889. 



Gray, Man. ed. 6, 638. Chap. Fl. 582. Coulter, Contr. Nat. Herb. 2 : 496. 



Carolinian and Lonisianian areas. Southern New P>nglaud to Florida, west to 

 Texas, Arkansas, Tennessee, Missouri, and southern Illinois. 



Alabama: All over the State. In close sandy soil, damp or dry, open pine 

 woods, worn-out fields, and pastures. Most abundant. 



Type locality : " Hab. in America "' 



Herb. Geol. Surv. Herb. Mohr. 



Andropogon virginicus dealbatus Mohr : Hackel in DC. Monogr. Phan. 6 : 411. 1889. 



Vasey, Contr. Nat. Herb. 3 : 11. 



Base of the smooth leaves covered with white bloom; stems and leaves becoming 

 whitish. 



Coast plain. In damp sandy soil. Mobile County. Not common. 



Type locality: "Alabama prope Mobile (Mohr)." 



Herb. (Jeol. Surv. Herb. Mohr. 



Andropogon capillipes Nash, Bull. N. Y. Bot. Gavd. 1 : 431. 1900. 



Andropof/on virginicus glaucits Hackel in DC. Monogr. Phan. 6:411. 1889. Not A. 

 glaiicus Retz. 1789. 

 Vasey, Contr. Nat. Herb. 3:11. 

 Glaucous throughout. 



Alabama: Coast plain. Close sandy soil. Mobile County. October. Frequent. 

 Type locality : "Florida (Curtiss)." 

 Herb. Geol. Surv. Herb. Mohr. 



Andropogon tracyi Nash. Pmll. N. Y. Bot. Gard. 1 : 433. 1900. 



A tufted glabrous perennial, with the numerous basal leaves about half as long as 

 the culm; culm \h to 2^ feet long, branched above the middle, nodes of iufiorescence 

 barbed with long silky hairs; sheaths shorter than the interuodes ; lignle scarious; 

 leaves erect, sparingly hirsute on the upper surface near the base, -1 to 8 inches long; 

 inflorescence 8 to 12 inches long, narrow, the branches erect, the racemes in pairs, 

 I lie sessile spikelets about twice as long as the stout iuternodes, densely clothed 

 witli silvery white hairs, awn about | to i' inch long; pedicellate spikelet wanting 

 or a minute rudimentary scale. 



Carolinian and Lonisianian areas. Mississippi. 



Alabama: Metamorphic hills. Drv soil. Lee Countv, "Auburn. October, 1897 

 (F.S.JCnrle)." 



Between A. virginicus and A. longiberbis. Distinguished from the former by its 

 glabrous sheaths and stout racemes; from the latter, with which it is more nearly 

 related, by the entire absence of the characteristic lanose pubescence. 



Type locality: "Type collected by Prof. S. M. Tracy, at Columbus, Miss., October 

 14, 1895." 



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