852 VLANT LIKK OK ALABAMA. 



Paniciini dichotomiim L. Sp. I'l. l:5s. ITr.H. Kokkid Panhtm, 



KU. Sk. 1: llM. Gray, Man. rd.t;. »;:{;{. Coull.r. Cunir. Nat. Htirli. 2 : .W). Kritt. 

 A: IWnwu, III. 1'1.1:12(>. 



Allf;;li<nian to l.oiii.siauiaii area. ( ana.l.i, I linMi^^liuiii tlir <;isterii In i ted States, 

 west to Toxas. 



Alabama: Ovit tlii> state, gratlfrrd in dry and ilanii» soil, .hint-; freipmnt. 



Tyjie locality: " Hal>. in Virjiinia. '" 



nVrli. (JiH)!. Snrv. licrh. Muhr. 



Panicum thurowii S( rilm. A. Sniitli. Circ. l'. S. Dept. Agr. !>iv. Agrost. 16:5. 1X99. 



.\ ratluT Htont, iTcct or asi-tindinj^, pubesi-ent or villons, siiupki or sparin^'ly 

 liranciied pm-nnial, IL' to Iti inclies liifrli, with ". or (> densely \vliite-l>**ar(le<l nodes, 

 nparin;ily villons slicnths. lanccolatc-liiifar loaves 2.7 to S.9 inches Ion;:, and ovate- 

 pyranndal. shorlly exsertcd i»ani<le8, L'.T to :il inches loll,L^ Sliealiis shorter than 

 the villous intciiiodcs, striate and tnliercnlate al>ove Iietween the strin'; lii,'nle :i 

 rin-i ol' stilV \\ hitti hairs 1.1 to 1 .ti lines long; leat'-ldiides Hat, ill' to l.G lines wide, 

 softly imlipscent on the lower snrt'ace, glahrons above, nnnsnally ciliate on tho 

 scabrous margins toward the base. There is a very densely villous lino on the bacdv 

 where the blade Joins the sheath. Axis of the jianicle sparingly ])ilose: the branches 

 subtlexnons, villons at th(> li.ist^ Si)ikelets narrowly elliptical, ol)tn.se, .7 to .9 lines 

 long. First glume one-lil'th the length of the 7-nerved, pnliescent, .ind obtuse second 

 and third glumes, which are slightly shorter than the lanceolate illiptical, acute 

 lloral glume. 



Very closely rtdated to I'anicinti iiiihesrens Lam., dilleriug in its more densely 

 flowered narrower panicles, smoother spikelets, an<l simple culms. The leaves and 

 spikelets are ]inrplish. 



Louisianian area. Texas, Florida (Lake County). 



Ai.ahama: Coast idain. 0])en pine woods, vicinitv of Mobile, .Tune, 1897. 



Tvpo locality: "Walker Couutv, Tex." {F. W. Tburow, May, Juno, 1898, Nos. 9 

 and' 11). 



Panicum barbulatum Michx. Kl. Hor. Am. 1:49. 1809. Heakdku 1'anicu.m. 



raniciim nilidiim harlnilatum Chap. Fl. cd. 3,5X6. 1X97. 



Ell. Sk. 1 : 127. Chap. 1. c. Scribuer, Grass. Tenn. 2 : .51. 



Carolini.in and Louisianian areas. New York and New .lersey, south to I'lorida, 

 west to Mississi])pi. 



Alabama: Over the State. In daini» sandy soil. Kare in the mountain region, 

 frequent near the coast. Mobile County. 



Type locality: " Hab. in Carolina." 



Herb. Gecd. Surv. Herb. Mohr. 



Panicum haemacarpon Ashe, .lourn. Elisha Mitchell Soc. 15:.">.o. 1898. 



A somewhat tufted, erect, rather stout ])crenuial, with the culm ascending from 

 the geniculate base, 12 to 18 inches high, at the base villous with spreading hairs, 

 BUioothish abovi^; leaves erect, ascending. 1 to 2 inches long, 2 to 3 lines wide, lanceo- 

 late, the middle ones largest, more or less ]iubesi('nt with scattered hairs; sheaths 

 shorter than the iuternodes. pa])illate-vi]l()us with long, soft, 8i)reading hairs; nodes 

 bearded; panicle 1^. to 2 inches long, broader than long, wide-spreading, rather few- 

 flowered; 8]»ikelets generall.y red. 1 line long, broadly obovate; lirst glume one-third 

 as long as tlie pubeseeTit Ke<'ond and third. 



Carolinian and Lonisiauian areas. District of ('obnubia. North Carolina, Iowa 

 -Alabama: Coast plain. Dry o])en woods Mol>ilo. 



Type locality: "District of Columbia, Kearney, 1897; Ashe, North Candina, 

 Chai)el Hill, 1X98; Iowa, Carver." 



Herb. Geol. Surv. Herb. Mohr. 



Panicum pseudopubesceus Nash, Unll. Torr. Club, 26:.">77. 1899. 



A densely pubescent perennial, the culms 8 to 10 inches high, branched hirsute 

 with ascending hairs, the nodes barbetl ; leaves rather firm, lanceolate, serrulate, 

 rough on the margins, 2 to 4 inches long and 3 to "> lines wide, densely hispid on 

 the lower surface and above with spreading hairs; ])aiiicle exserted, broadly ovate, 

 2 to 3^ inches long, sparsely hairy; spikelets about 1 line long, obovate, first glume 

 about one-third as long; spikelets ovate, pubescent with spreading hairs. 



Carolinian and Louisianiiin areas. 



Alabama: Mountain region to Lower I'ine belt. Dry and damp open woods. Cull- 

 man County. Lee County, Auburn (Jlaker cj- Earle). Mobile County, Springhill, 

 Citronelle. May, June; freciuent. 



Type locality : "Auburn, Lee County, Ala.'' (Baker .y- Earle, No. 1537, etc.) 



Distinguished from P. pubescens by its much larger spikelets. 



