.'544 ri.ANT l.IKK OK AI. AI'.AM A. 



SYNTHERISMA Walt. Fl. Car. ?•;. 17SS. FiN.iKU (Ihass. 

 (Dii.n AKiA Si<i|.. Fl. ( ani.«Ml.l', I:")!'. 1771.'. Not Heist. 17ti:!.) 

 Nearly 20 species, of tciniM-ratc :in<l tioiiiral icfiioiis, mostly aimiials. 

 Syutherisma filifoime (L.) Nasli, I'.iill. Tmr. Cliil), 22: IL'O. IW."). 



Sl.KNDKK CUAH (IKAS.S. 



I'un'icum fil'tformr L. Sp. I'l. 1 : r)7. 1753. 



I'anjitdiim ftlifoniic S\v. I'rotlr. 22. 1788. 



h'uiitarUi 'filij'ormis .Mulil. ( Jram. i:51. 1817. 



i:ii. Sk. 1: i;"i2. (Jiav. Man. cd.U, (;:iO. ('lia]>. Fl. r.72. Coulter, Contr. Nat. Ilnl.. 

 2:.')(il. (iriseh. Fl. Hri't. W. Iiid..')!:?. Scribuer, Grass. Tenn. 2 : 39, t. 7,f. ..'S. 



Wk.st Iniuks, Mkxu <> TO Hka/.ii.. 



Camliiiiau and Louisiauian areas. Ma.ssachusetts to Florida, west to Tf-xas, .iiid 

 iu Teuuessee. 



Ai.aijama: Central Fine belt to Coast plain. Dry sandy soil. Monroe, Mobile, and 

 Baldwin countiis. .Inly to < )ctober, connnou ; abnndant tbrougbout tbe l.owci- I'iiio 

 region ; annnal. 



Tyi)e locality : •' Hab. in America septentrional!. Kalni." 



Herb. (Jeol. Snrv. Herb. Mobr. 



Syutherisma villosum Walt. Fl. Car. 77. 1778. 



" Cnlnis tutted, 2A to 3 feet bigh, slender, erect, simple, more or less branched, 

 above, glabrous; sheaths keeled toward the upper end, the lower papillose-hirsute, 

 the upper nearly glabrou.s; leaf blades 5 to 7 inches long. Hat, erect, smooth beneath, 

 rough above, the lower more or less pajdllosc, the upper glabrous; panicle loiig- 

 exserted, racemes elongated, slender, 8 to 10 inches long, erect, rarely s})reading; 

 rachis triangular, hispidulous on tbe angles; spikclets elliptical, acute, jiediceled in 

 threes, or in pairs; iirst glume wanting, second and third ])ul)escent with long 

 api)re8sed hairs; tlio second 3-nerved, little shorter tban the third; the third 

 7-ncrved; the fourth oblong-ovate to lanceolate, striate, iu maturity of a deep chest- 

 nut color, apiculate." 



Distinct from tbe closely related Stjnthertxma fiUforme by the much longer anil more 

 nunu;rons racemes, narrow spikelets, and striate I'ourth glume. 



Carolinian and Louisianiau areas. Georgia and Florida to Texas, Indian Terri- 

 tory, and Illinois. 



Alabama: Central Prairie region. Dry pastures, sandy exposed hillsides. Mont- 

 gomerj'^ County, Sei>tember, 1886. Not frequent. Annual. 



Type locality : South Carolina. 



Herb. Geol. Surv. Herb. Mohr. 



Syutherisma serotinuni Walt. Fl. Car. 76. 1788. Hoarv Cuah Grass. 



hitjitdvid turoHtia Michx. Fl. Bor. Am. 1:41. 1803. 



J I. cillum Ell. Sk. 1: 132. 1816. 



KU. 1. c. Cliap. Fl. Supid.r>66; ed. 3, 581. Coulter, Contr. Nat. Herb. 2 : 501. 



Louisianiau area. .South Carolina to Florida and Texas. 



Alauama: Coa.st plain. In light sandy soil, pastures, roadsides; perennial; .luly 

 to October; freipient. Creeping extensively, forming (dose mats. 



Type locality : South Carolina. 



Economic uses: Valuable as a pasture grass on ]ioor sandy land. 



Herb. Geol. Surv. Herb. Mohr. 



Syutherisma liueare (Krock.) Nash, Bull. Torr. Club, 22:420. 1895. 



Smooth Cijah Grass. 



Panicum lineare Krock. Fl. Sll. 1 : 95. 1787. 



Si/ntherisma (ilahriim Schrad. Fl. Germ. 1:163. 1806. 



J'anicum (/labriim iinmUu, Afrrost. 1:22. 1811. 



Gray, Man. ed. 6, 630. Scribuer, Grass. Tenn. 2:39, t. 7,f.37. 



Europp:. 



Canadian zone to Carolinian area. Naturalized in Ontario and New England, 

 thence to Missouri and Tennessee. 



Alabama: Tennessee Valley. Waste ])lace8, grass plots. Morgan County, Deca- 

 tur, banks of Tennessee River. Flowers September and October; not frequent. 

 Annual. 



Type locality: "Auf sandigten Insoln der alten Oder neben der Passbruecke, auch 

 am Steindamme nach Rosel, ebeii im Sande." 



Herb. Geol. Surv. Herb. Mohr. 



