PAMCE.E. 143 



69. p. viscidum Ell. Bot. S. C. & Ga. 1:123, /. 7, /. 3 (1817). 

 P. scoparium Michx. Fl. Bor. Am. 1:49 (1803), not Lam. 

 (1797). 



A robust branching leafy perennial. 90-120 cm. high, softly 

 hairy throughout, except the nodes, branches of the panicle and 

 sometimes the upper surface of the leaves. Leaf-blades flat, 

 lanceolate, narrowed toward the base, 12-24 cm. long, 1-2 cm. 

 wide. Panicle comjiound; branches glandular, diffuse, the base 

 included by the upper sheath, 12-18 cm. long. Spikelets borne on 

 capiUary flexuose pedicels, elliptical, subacute, about 2.5 mm. 

 long: first glume thin. 1-nerved, less than 1 mm. long; second and 

 iloral glume of the neuter floret 7-9-nerved: palea much shorter 

 and narrower; fertile floret ovate-oblong, subacute, 2 mm. long. 



Alabama, Mohr; District of Columbia, McVartlnj. Wet places 

 near the seacoast. 



New England to Florida and Texas. 



Var. scabriusculum. P. scahriuftrnlum Chapm. Fl. S. States 

 576 (1860), no] KU. /'. XeaUt'/fi Vasey. 



Sheaths and lower side of the blades smooth, rough or more or 

 less pubescent. Spikelets smooth or minutely i)ubeseent under a 

 lens. 



Alabama (]\[obile), Mohr; Texas, Nealley; Florida, Chapman 

 31. 



Xorth Carolina to Florida and Teras. 



70. P. scoparium Lam. Encycl. 4:744 (1797). P. pauciflorum 

 Ell. Bot. S. C. iS: (ia. 1: 120 (1817). 



A tufted upright perennial, branching much or little, 30-60 

 cm. high. Culm rough or smooth, rather stout, internodes longer 

 than the sheaths. Sheaths hairy; blades flat, firm, lanceolate, 

 mostly hairy beneath, faintly 7-11-nerved. 6-14 cm. long, 7-13 

 mm. wide. Panicles exserted, simple, ovoid or pyramidal, 4-7 I'm. 

 long. Spikelets all pedicelled, obovate-obtuse, pubescent, 3 mm. 

 long, often purple at the base; first glume broad, 1-nerved, over 1 

 mm. long, second not longer than the fertile floret, 9-n-nerved; 

 floral glume of the neuter floret 9-nerved, its palea thin and much 

 shorter; fertile floret firm, smooth, broad-oval, 2.5 mm. long. 



