PANicuM. TRIANDRIA. DIGYNIA. 149 



Inferior 5"/M7Me very broad, amplexicaul, rather obtuse ; supe- 

 rior j2;lume acute, 7-nerved. Abortive Jloret without any traces 

 of a superior valve. Perfect floret shorter than the calyx, 

 acute, smooth. Anthers orange. JVectaries oblong;, entire. 

 Hab. In wet meadows, particularly those which are a little 

 brackish. September. 

 20. P. capillare L.: culm nearly simple sheaths very 



hairy ; panicle large, capillary expanding, loose ; spikelet^ on 



long peduncles, acuminate, smooth; abortive floret 1-valved. 



Syst. veg. 1 06., Wijl d. Spec. I. p. 349. • M ich. Fl. 1. p. 



47.. L a ih.- III.. 007. 'Big. BosLi^. 19. PnrshFl. I. p. 



67, 'Muiil: Gram. p. 124. J¥ aPU Car. p» 72. P. strigo- 



su^ Elliott Sk.\.^.\-26? , 



p;- ^Jibot annual. Cultn erect, 1^2 feet high, sometimes branched at 

 " *, the basel ■ Leaves 4-6 inches long, 2.-4 lines broad, hairy. 

 Sheaths covered with hispid hairs. 'Panicle large and pyra- 

 midal ; branches straight;, refiexed whtft, cid. Sfiikelets^zviiG: 

 Glumes acuminate purple ; the Inlerlor carinate. Abortive 

 floret witho;it a superior valve. PerfiC floret much, shorter 

 than^the calyx, ovatcj smooth and shiniiJg. 

 Hab'. In cuUivated grouijds ; along road sides, &;c.. August— 

 .September. ' • ' ■ ^ • ..^•*^. 



■*^>' ,./?. syhaficum^^ cylmbraniihed/at. the bdSe, very slen- 

 •^erj leaves linear. ■ :-.'"{ ^ - • 



• ':^AB. In dty woods near New-YoriC. August. 



' »;,• 21,, P. longifolium* ; whole plant very srnobth ; culm 

 • compressed, ergcf, ^innple, slender; leaves very long and nar- 

 j-ow; panicle; simple, elongated, racemose; spikelets acumi- 

 nate; abortive floret^ neuter 2-valved. ' '■ , 



fieot perennial. iCulm about 2 feet higli, with' short branches at 



the base. Leaves a foot or more in length, very narrow, and 



at length involute. Sheaths clasping, somewhat, hairy at the 



^throat. Pcnie/e" with few appressed branches. Inferior ^Zwrn^ 



"^acuminat^, half the length of the superior, which is obscurely 



3-nerved. Abortive floret 2-valved ; superior valve shorffer 



than the inferior, lanceolate, acuminate, sjibciliate. on the 



inargin; inferior valve 5 -nerved, smooth.- Perfect floret much 



. shorter than /he calyx. ' ; • - * 



Hab/ In the pine barrens of New^Jersey. September — Octo- 



■ ber.-, 



For spcjtimens of. this very di^ant species of panicum, I am 

 indebted to Mr.~ Jdrhes Goldy, a Scotch botanist who 

 visited this country in/1 8.1.9. 



y 49. HIEROCHLOA. Gmelin. 

 'Pfl/^.2-valved, 3-flowered; glumes scarious. Lat- 



i 



